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59180 (1999 AP12)
Classification: Main-belt Asteroid          SPK-ID: 2059180
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1431598027617727 4.016e-08  
a 2.419141556189328 1.0769e-08 au
q 2.072817728152456 9.6457e-08 au
i .8172687964854652 5.4048e-06 deg
node 279.035918215576 0.00033549 deg
peri 276.7380175964661 0.00033612 deg
M 79.21248500326837 2.0865e-05 deg
tp 2458298.100208898757
(2018-Jun-28.60020890)
7.8976e-05 TDB
period 1374.32785743252
3.76
9.1765e-06
2.512e-08
d
yr
n .2619462292444116 1.749e-09 deg/d
Q 2.7654653842262 1.231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      8041 days (22.02 yr)  
   first obs. used      1997-10-21  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53409  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:21:32  

Additional Information
 Earth MOID = 1.07197 au 
 Jupiter MOID = 2.19488 au 
 T_jup = 3.500 
[ 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 16.4   n/a MPO449380  
rotation period rot_per 7.747 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

59180 (1999 AP12)          Discovered 1999-Jan-07 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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