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JPL Small-Body Database Browser
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423042 (2003 US104)
Classification: Main-belt Asteroid          SPK-ID: 2423042
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1987899226656601 6.0061e-08  
a 2.336390152372266 1.5878e-08 au
q 1.871939334665373 1.3473e-07 au
i 5.225574460844364 7.7995e-06 deg
node 228.7507905510336 8.9789e-05 deg
peri 229.2724494927836 9.3429e-05 deg
M 185.1338517232009 2.6929e-05 deg
tp 2459634.106641314847
(2022-Feb-23.60664131)
0.00010152 TDB
period 1304.417081985951
3.57
1.3297e-05
3.641e-08
d
yr
n .275985346229832 2.8133e-09 deg/d
Q 2.800840970079158 1.9034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      8194 days (22.43 yr)  
   first obs. used      1996-11-17  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54478  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:39:05  

Additional Information
 Earth MOID = .89356 au 
 Jupiter MOID = 2.39209 au 
 T_jup = 3.535 
[ 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 18.0   n/a MPO472248  

423042 (2003 US104)          Discovered 2003-Oct-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-02-04

Alternate Designations
 2003 US104 = 1996 WD1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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