Indian Space Research OrganizationPSLV XLSatish Dhawan Space Centre First Launch Pad, Satish Dhawan Space Centre, India
IRNSS-1B
Launched
April 4, 2014
Summary
IRNSS-1B launched on an Indian Space Research Organization PSLV XL from Satish Dhawan Space Centre First Launch Pad, Satish Dhawan Space Centre, India on April 4, 2014. It was Indian Space Research Organization's 41st launch, 2nd this year and humanity's 5,366th orbital launch attempt. It was the 6th PSLV XL flight and the 1st this year. The payload was bound for Geosynchronous Transfer Orbit (GSTO). IRNSS-R1B, one of 2 catalogued objects, reached a 277 × 20,565 km orbit inclined 19.3°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Navigation · Geosynchronous Transfer Orbit (GSTO)
- Milestone
- 6th PSLV XL flight · 1st this yearIndian Space Research Organization's 41st launch2nd this yearhumanity's 5,366th orbital launch attempt17th orbital launch attempt this year
Flight preview
Orbit: as tracked
IRNSS-R1B · NORAD 39635 · 2014-017 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2014-017A
- Epoch
- 2014-04-04 15:03:22 UTC
- Mean motion
- 3.98971863 rev/day
- Eccentricity
- 0.6040971
- Inclination
- 19.2638°
- Ascending node
- 314.2516°
- Arg. of perigee
- 178.4432°
- Mean anomaly
- 184.313°
- Element set
- 999
- Rev at epoch
- 0
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: GSTO. Ascent drawn from padside's representative profile.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; 2 still in orbit
- IRNSS-R1B · NORAD 39635 · in orbit
PSLV-C24 PS4 · in orbit
Data from J. McDowell, planet4589.org
About this launch
IRNSS-1B is the second out of seven in the Indian Regional Navigational Satellite System (IRNSS) series of satellites after IRNSS-1A. The satellite is one among the seven of the IRNSS constellation of satellites slated to provide navigational services to the region. The satellite operates in geosynchronous orbit.
Pad

Satish Dhawan Space Centre First Launch Pad, Satish Dhawan Space Centre, India
25th launch from Satish Dhawan Space Centre First Launch Pad, 1st this year · 42nd from Satish Dhawan Space Centre, India
64 launches from this pad · 105 from Satish Dhawan Space Centre, India
150 days after the previous launch from this pad
All launches from Satish Dhawan Space Centre, IndiaOpen in maps
Questions
When did IRNSS-1B launch?
IRNSS-1B launched on April 4, 2014. The time is known to the hour, not the minute.
Where can I watch IRNSS-1B?
No webcast is on record for this launch.
What rocket launched IRNSS-1B?
PSLV XL, flown by Indian Space Research Organization. PSLV XL spec sheet
Where did IRNSS-1B launch from?
Satish Dhawan Space Centre First Launch Pad, Satish Dhawan Space Centre, India.
What orbit did IRNSS-1B reach?
IRNSS-R1B, one of 2 catalogued objects, reached a 277 × 20,565 km orbit inclined 19.3°.
How many satellites did IRNSS-1B launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
![[AUTO] PSLV-XL - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fpslv_image_20190224012254.jpeg&w=1600)