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85824 (1998 XV20)
Classification: Main-belt Asteroid          SPK-ID: 2085824
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08752719879625206 4.2566e-08  
a 2.522728521298202 1.0603e-08 au
q 2.301921160505559 1.0566e-07 au
i 1.249417978459002 3.919e-06 deg
node 237.1466263272752 0.00020973 deg
peri 284.9686492569404 0.00021113 deg
M 176.9751451636775 2.5338e-05 deg
tp 2458677.027863783710
(2019-Jul-12.52786378)
0.00010275 TDB
period 1463.538672610305
4.01
9.2269e-06
2.526e-08
d
yr
n .2459791509013694 1.5508e-09 deg/d
Q 2.743535882090844 1.1531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      810  
   data-arc span      11164 days (30.57 yr)  
   first obs. used      1991-01-13  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58034  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:54:20  

Additional Information
 Earth MOID = 1.31103 au 
 Jupiter MOID = 2.23179 au 
 T_jup = 3.450 
[ 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 15.62   n/a E2021B10  

85824 (1998 XV20)          Discovered 1998-Dec-10 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 XV20 = 2001 ST96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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