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146347 (2001 OH87)
Classification: Main-belt Asteroid          SPK-ID: 2146347
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 .2439212500783191 4.7832e-08  
a 2.615724595827042 1.0657e-08 au
q 1.977693782552304 1.253e-07 au
i 5.07096364186374 3.814e-06 deg
node 105.349824705642 6.1028e-05 deg
peri 260.4388849080976 6.1815e-05 deg
M 142.650188574 8.1143e-06 deg
tp 2458388.211221187011
(2018-Sep-26.71122119)
3.439e-05 TDB
period 1545.206231945012
4.23
9.443e-06
2.585e-08
d
yr
n .2329786099470061 1.4238e-09 deg/d
Q 3.25375540910178 1.3256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      785  
   data-arc span      8131 days (22.26 yr)  
   first obs. used      1997-10-29  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51185  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:36:43  

Additional Information
 Earth MOID = .983656 au 
 Jupiter MOID = 2.22259 au 
 T_jup = 3.359 
[ 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 16.3   n/a MPO469552  

146347 (2001 OH87)          Discovered 2001-Jul-29 by NEAT at Palomar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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