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90213 (2003 AH81)
Classification: Main-belt Asteroid          SPK-ID: 2090213
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .107177766530891 5.3084e-08  
a 2.601523592827772 1.5778e-08 au
q 2.322698104571072 1.4442e-07 au
i 14.95997303369938 3.8719e-06 deg
node 55.76074423483001 1.8255e-05 deg
peri 77.81840985900044 4.1512e-05 deg
M 27.79387551485258 3.1407e-05 deg
tp 2458882.172227972229
(2020-Feb-02.67222797)
0.00013424 TDB
period 1532.639732348004
4.20
1.3943e-05
3.817e-08
d
yr
n .2348888603119273 2.1369e-09 deg/d
Q 2.880349081084471 1.747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1117  
   data-arc span      7801 days (21.36 yr)  
   first obs. used      1999-01-14  
   last obs. used      2020-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54281  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:12:00  

Additional Information
 Earth MOID = 1.39039 au 
 Jupiter MOID = 2.29628 au 
 T_jup = 3.358 
[ 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 15.0   n/a MPO453340  

90213 (2003 AH81)          Discovered 2003-Jan-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2003 AH81 = 1999 CR122 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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