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100481 (1996 UJ1)
Classification: Main-belt Asteroid          SPK-ID: 2100481
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2889830826297931 5.3209e-08  
a 2.34630713210849 8.637e-09 au
q 1.668264064275509 1.2257e-07 au
i 2.429830333670726 4.2428e-06 deg
node 66.1356058044848 8.8689e-05 deg
peri 315.0232958760611 8.8873e-05 deg
M 210.4217175147291 7.3497e-06 deg
tp 2459545.933438490065
(2021-Nov-27.43343849)
2.9014e-05 TDB
period 1312.730929877863
3.59
7.2484e-06
1.985e-08
d
yr
n .2742374631437187 1.5142e-09 deg/d
Q 3.024350199941471 1.1133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      649  
   data-arc span      8617 days (23.59 yr)  
   first obs. used      1996-09-23  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54237  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:53:16  

Additional Information
 Earth MOID = .672351 au 
 Jupiter MOID = 2.43475 au 
 T_jup = 3.502 
[ 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 16.5   n/a MPO264055  

100481 (1996 UJ1)          Discovered 1996-Oct-20 by Kobayashi, T. at Oizumi
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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