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JPL Small-Body Database Browser
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315530 (2008 AP129)
Classification: TransNeptunian Object          SPK-ID: 2315530
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1358139275075627 2.7124e-05  
a 41.62847836189773 0.0018231 au
q 35.97475121940481 0.00085208 au
i 27.39752903669375 8.6515e-05 deg
node 14.94656380014967 0.00040561 deg
peri 57.16684444892879 0.010858 deg
M 51.64868176704171 0.010713 deg
tp 2444525.740835379156
(1980-Oct-13.24083538)
2.09 TDB
period 98103.43896321523
268.59
6.4445
0.01764
d
yr
n .003669596130416847 2.4106e-07 deg/d
Q 47.28220550439065 0.0020707 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      10305 days (28.21 yr)  
   first obs. used      1989-10-09  
   last obs. used      2017-12-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .44122  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:07:11  

Additional Information
 Earth MOID = 35.066 au 
 Jupiter MOID = 31.3728 au 
 T_jup = 5.101 
[ 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 4.7   n/a MPO434015  
rotation period rot_per 9.04 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:
[Thirouin, A.; Sheppard, S.S.; Noll, K.S.; Moskovitz, N.A.; et al. (2016) Astron. J. 151, A148.]

315530 (2008 AP129)          Discovered 2008-Jan-11 by Schwamb, M. E., Brown, M. E. at Palomar
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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