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47473 (2000 AU2)
Classification: Main-belt Asteroid          SPK-ID: 2047473
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2058846772617381 3.005e-08  
a 2.352918902714269 6.7646e-09 au
q 1.868488953805899 7.3144e-08 au
i 3.412254993675552 3.0781e-06 deg
node 83.7681290890922 6.4759e-05 deg
peri 331.7363721679941 6.5612e-05 deg
M 275.4102181522949 1.0789e-05 deg
tp 2459310.259239347280
(2021-Apr-05.75923935)
4.0227e-05 TDB
period 1318.283647613474
3.61
5.685e-06
1.556e-08
d
yr
n .2730823526876922 1.1777e-09 deg/d
Q 2.837348851622639 8.1573e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1445  
   data-arc span      10682 days (29.25 yr)  
   first obs. used      1991-08-02  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48972  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:42:03  

Additional Information
 Earth MOID = .881124 au 
 Jupiter MOID = 2.5169 au 
 T_jup = 3.525 
[ 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 15.1   n/a MPO290793  
rotation period rot_per 3.407 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

47473 (2000 AU2)          Discovered 2000-Jan-01 by Tombelli, M., Boattini, A. at San Marcello
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 AU2 = 1991 PJ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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