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74330 (1998 UH46)
Classification: Main-belt Asteroid          SPK-ID: 2074330
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0368009383502573 4.6405e-08  
a 2.593573118347868 1.4443e-08 au
q 2.498127193912663 1.2331e-07 au
i 1.405282547193948 5.5472e-06 deg
node 30.69626897150492 0.00015364 deg
peri 108.1291545660597 0.00017635 deg
M 299.1756373149263 8.3503e-05 deg
tp 2459258.263391611635
(2021-Feb-12.76339161)
0.0003538 TDB
period 1525.619289439105
4.18
1.2744e-05
3.489e-08
d
yr
n .2359697484766033 1.9711e-09 deg/d
Q 2.689019042783072 1.4975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      633  
   data-arc span      10189 days (27.90 yr)  
   first obs. used      1992-03-06  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50474  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:14:18  

Additional Information
 Earth MOID = 1.51141 au 
 Jupiter MOID = 2.29607 au 
 T_jup = 3.417 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO359266  

74330 (1998 UH46)          Discovered 1998-Oct-24 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 UH46 = 2002 RJ89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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