Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
295500 (2008 RQ45)
Classification: Jupiter Trojan          SPK-ID: 2295500
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07777570890663267 1.5175e-07  
a 5.17175112416151 2.0221e-07 au
q 4.769514514191174 9.2292e-07 au
i 7.488576190775408 9.8172e-06 deg
node 21.29186176742844 6.1755e-05 deg
peri 21.06060233285573 9.5358e-05 deg
M 328.5459005000731 8.2673e-05 deg
tp 2459375.844112997648
(2021-Jun-10.34411300)
0.00099901 TDB
period 4295.906823829665
11.76
0.00025195
6.898e-07
d
yr
n .08380070023936678 4.9149e-09 deg/d
Q 5.573987734131846 2.1794e-07 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      8018 days (21.95 yr)  
   first obs. used      1997-10-04  
   last obs. used      2019-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58087  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:43:15  

Additional Information
 Earth MOID = 3.77911 au 
 Jupiter MOID = .0420154 au 
 T_jup = 2.977 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO494581  

295500 (2008 RQ45)          Discovered 2008-Sep-02 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 RQ45 = 1997 TC21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-13 18:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin