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186287 (2002 AU187)
Classification: Main-belt Asteroid          SPK-ID: 2186287
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .217501352917999 5.2729e-08  
a 3.086378076796175 1.9335e-08 au
q 2.415086669476556 1.5951e-07 au
i 13.21991330158419 5.571e-06 deg
node 130.4232060858054 1.8769e-05 deg
peri .02063327768588262 2.1421e-05 deg
M 194.7293121102153 1.0723e-05 deg
tp 2460109.712607004736
(2023-Jun-14.21260700)
6.3204e-05 TDB
period 1980.487542594275
5.42
1.861e-05
5.095e-08
d
yr
n .1817734230877462 1.7081e-09 deg/d
Q 3.757669484115795 2.354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      7205 days (19.73 yr)  
   first obs. used      2000-11-25  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55976  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:50:39  

Additional Information
 Earth MOID = 1.42979 au 
 Jupiter MOID = 1.30649 au 
 T_jup = 3.150 
[ 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 15.42   n/a MPCxxxxx  
rotation period rot_per 4.333 h n/a LCDB (Rev. 2020-October); 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.]

186287 (2002 AU187)          Discovered 2002-Jan-08 by NEAT at Haleakala
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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