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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112529037551723 4.6117e-08  
a 2.37834846424519 1.0106e-08 au
q 2.113750291456258 1.0825e-07 au
i 4.041872839236663 4.3243e-06 deg
node 320.8126108268534 5.4761e-05 deg
peri 16.22157490527993 5.7028e-05 deg
M 214.5619124160286 1.7467e-05 deg
tp 2459937.736790291265
(2022-Dec-24.23679029)
6.6382e-05 TDB
period 1339.712641589556
3.67
8.5392e-06
2.338e-08
d
yr
n .2687143412880418 1.7128e-09 deg/d
Q 2.642946637034122 1.1231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      870  
   data-arc span      10127 days (27.73 yr)  
   first obs. used      1993-08-16  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54809  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:39:22  

Additional Information
 Earth MOID = 1.10367 au 
 Jupiter MOID = 2.68112 au 
 T_jup = 3.528 
[ 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 16.02   n/a MPCxxxxx  

90947 (1997 UD24)          Discovered 1997-Oct-30 by Skiff, B. A. at Anderson Mesa
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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