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90947 (1997 UD24)
Classification: Main-belt Asteroid          SPK-ID: 2090947
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1110604776820951 4.6167e-08  
a 2.378578306557144 1.098e-08 au
q 2.114412263626639 1.0835e-07 au
i 4.041759030250657 4.3678e-06 deg
node 320.8138001468041 6.675e-05 deg
peri 16.12110287213462 6.9484e-05 deg
M 108.2884547757447 1.9141e-05 deg
tp 2458597.454326878934
(2019-Apr-23.95432688)
7.0977e-05 TDB
period 1339.906849941345
3.67
9.2781e-06
2.54e-08
d
yr
n .2686753933795913 1.8604e-09 deg/d
Q 2.642744349487649 1.22e-08 au
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      9658 days (26.44 yr)  
   first obs. used      1993-08-16  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54706  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:20:53  

Additional Information
 Earth MOID = 1.10508 au 
 Jupiter MOID = 2.68204 au 
 T_jup = 3.528 
[ 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 MPO449559  

90947 (1997 UD24)          Discovered 1997-Oct-30 by Skiff, B. A. at Anderson Mesa
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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