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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07725952753112908 1.5175e-07  
a 5.169604198848115 2.0259e-07 au
q 4.770203020922169 9.2288e-07 au
i 7.489592190766801 9.8189e-06 deg
node 21.28688094261451 6.1749e-05 deg
peri 21.11632792064037 9.5783e-05 deg
M 294.9231447417745 8.2173e-05 deg
tp 2459376.583453882401
(2021-Jun-11.08345388)
0.0010055 TDB
period 4293.232091333281
11.75
0.00025236
6.909e-07
d
yr
n .08385290903017555 4.929e-09 deg/d
Q 5.569005376774062 2.1824e-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 = 3.77924 au 
 Jupiter MOID = .0407785 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 14.0   n/a MPO455184  

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 ]
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