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103473 (2000 AU212)
Classification: Main-belt Asteroid          SPK-ID: 2103473
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1545375960630061 3.2016e-08  
a 2.374626224857239 8.8079e-09 au
q 2.00765719651963 7.5175e-08 au
i 3.599526725722811 3.3048e-06 deg
node 97.45984349263938 7.2887e-05 deg
peri 137.6844997465366 7.4329e-05 deg
M 126.3029476829145 1.621e-05 deg
tp 2458731.576171556438
(2019-Sep-05.07617156)
5.8972e-05 TDB
period 1336.56879223032
3.66
7.4363e-06
2.036e-08
d
yr
n .2693464055817669 1.4986e-09 deg/d
Q 2.741595253194848 1.0169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      7659 days (20.97 yr)  
   first obs. used      1999-12-27  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53706  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:47:00  

Additional Information
 Earth MOID = .996425 au 
 Jupiter MOID = 2.25665 au 
 T_jup = 3.523 
[ 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 16.11   n/a E2021B55  

103473 (2000 AU212)          Discovered 2000-Jan-06 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2000 AU212 = 2001 HJ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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