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146871 (2002 AT182)
Classification: Main-belt Asteroid          SPK-ID: 2146871
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06834037433738877 5.4965e-08  
a 2.998355118655994 3.0924e-08 au
q 2.793446407450618 1.5936e-07 au
i 11.59385586226087 6.694e-06 deg
node 74.2765108554909 2.6415e-05 deg
peri 40.32114306588877 6.0009e-05 deg
M 194.2339917088048 5.375e-05 deg
tp 2459873.704586964418
(2022-Oct-21.20458696)
0.00028721 TDB
period 1896.36979588105
5.19
2.9337e-05
8.032e-08
d
yr
n .1898363920275078 2.9368e-09 deg/d
Q 3.20326382986137 3.3037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      419  
   data-arc span      6896 days (18.88 yr)  
   first obs. used      2000-10-02  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56047  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:33:49  

Additional Information
 Earth MOID = 1.82078 au 
 Jupiter MOID = 1.98554 au 
 T_jup = 3.219 
[ 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 15.2   n/a MPO439881  

146871 (2002 AT182)          Discovered 2002-Jan-05 by LONEOS at Anderson Mesa
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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