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90870 (1996 TJ18)
Classification: Main-belt Asteroid          SPK-ID: 2090870
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1022884638332039 5.6543e-08  
a 2.550843792045588 1.4739e-08 au
q 2.28992189907878 1.415e-07 au
i .8093551528788009 4.5325e-06 deg
node 279.0984762523208 0.00037043 deg
peri 316.1084824275995 0.00037099 deg
M 85.96640832807229 1.8424e-05 deg
tp 2458645.154757981865
(2019-Jun-10.65475798)
7.6769e-05 TDB
period 1488.072953313729
4.07
1.2897e-05
3.531e-08
d
yr
n .2419236228965325 2.0968e-09 deg/d
Q 2.811765685012395 1.6247e-08 au
  Orbit Determination Parameters
   # obs. used (total)      532  
   data-arc span      10106 days (27.67 yr)  
   first obs. used      1992-11-26  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:14:20  

Additional Information
 Earth MOID = 1.27844 au 
 Jupiter MOID = 2.18192 au 
 T_jup = 3.433 
[ 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 16.0   n/a MPO432447  

90870 (1996 TJ18)          Discovered 1996-Oct-04 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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