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90798 (1994 US5)
Classification: Main-belt Asteroid          SPK-ID: 2090798
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324299180626257 3.5627e-08  
a 2.268658318470351 7.5967e-09 au
q 1.968220083243228 8.1834e-08 au
i 7.259431408855612 4.0232e-06 deg
node 20.68507218591724 2.9011e-05 deg
peri 356.5841786836554 3.2129e-05 deg
M 303.2336669983432 1.4494e-05 deg
tp 2459593.306938022221
(2022-Jan-13.80693802)
5.0575e-05 TDB
period 1248.107706480381
3.42
6.269e-06
1.716e-08
d
yr
n .2884366454359832 1.4488e-09 deg/d
Q 2.569096553697474 8.6027e-09 au
  Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      9782 days (26.78 yr)  
   first obs. used      1994-10-28  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56735  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:01:09  

Additional Information
 Earth MOID = .969209 au 
 Jupiter MOID = 2.89509 au 
 T_jup = 3.592 
[ 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 16.88   n/a E2021B10  

90798 (1994 US5)          Discovered 1994-Oct-28 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1994 US5 = 2001 WG91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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