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85798 (1998 VA50)
Classification: Jupiter Trojan          SPK-ID: 2085798
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06453032278928655 8.8339e-08  
a 5.164585604108051 1.4404e-07 au
q 4.831313228002056 5.4202e-07 au
i 32.08135944727952 8.9402e-06 deg
node 227.3316530138362 1.1057e-05 deg
peri 145.7461101015863 5.8827e-05 deg
M 325.5405571557169 5.7586e-05 deg
tp 2459410.852796963291
(2021-Jul-15.35279696)
0.00068672 TDB
period 4286.981875311807
11.74
0.00017935
4.91e-07
d
yr
n .08397516259007183 3.5131e-09 deg/d
Q 5.497857980214047 1.5334e-07 au
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      12361 days (33.84 yr)  
   first obs. used      1986-09-30  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52003  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:57:18  

Additional Information
 Earth MOID = 3.86609 au 
 Jupiter MOID = .0160786 au 
 T_jup = 2.692 
[ 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 11.9   n/a MPO453288  

85798 (1998 VA50)          Discovered 1998-Nov-11 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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