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JPL Small-Body Database Browser
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295491 (2008 RO20)
Classification: Jupiter Trojan          SPK-ID: 2295491
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08887038069595254 1.1116e-07  
a 5.167219250124674 3.992e-07 au
q 4.70800650822664 5.5006e-07 au
i 7.070610149315504 1.247e-05 deg
node 210.9608776942092 8.5515e-05 deg
peri 233.3300104479821 0.0001275 deg
M 255.3614128142048 0.00011202 deg
tp 2459847.519163577099
(2022-Sep-25.01916358)
0.0014501 TDB
period 4290.261470088905
11.75
0.00049718
1.361e-06
d
yr
n .08391096964832305 9.7241e-09 deg/d
Q 5.626431992022709 4.3468e-07 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      5614 days (15.37 yr)  
   first obs. used      2001-02-20  
   last obs. used      2016-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56676  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 14:26:51  

Additional Information
 Earth MOID = 3.72987 au 
 Jupiter MOID = .0384863 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 MPO418563  

295491 (2008 RO20)          Discovered 2008-Sep-04 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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