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159402 (1999 AP10)
Classification: Amor [NEO]          SPK-ID: 2159402
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 274 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5714402844101755 2.9395e-09  
a 2.380919841688762 5.3634e-10 au
q 1.020366330196306 6.9598e-09 au
i 7.573936056693072 7.746e-07 deg
node 356.8480030910284 3.8432e-06 deg
peri 47.57908218304984 4.5141e-06 deg
M 63.96870026741683 6.2632e-07 deg
tp 2459158.059175871321
(2020-Nov-04.55917587)
2.285e-06 TDB
period 1341.885896188002
3.67
4.5342e-07
1.241e-09
d
yr
n .2682791443167259 9.0651e-11 deg/d
Q 3.741473353181218 8.4283e-10 au
  Orbit Determination Parameters
   # obs. used (total)      5327  
   # delay obs. used      5  
   # Doppler obs. used      0  
   data-arc span      8181 days (22.40 yr)  
   first obs. used      1999-01-15  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .2219  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-22 06:23:52  

Additional Information
 Earth MOID = .0773907 au 
 Jupiter MOID = 1.76152 au 
 T_jup = 3.286 
[ 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 16.50   n/a MPCxxxxx  
rotation period rot_per 7.908 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Franco, L.; Carbognani, A.; Wiggins, P.; Koehn, B.W.; Schmidt, R. (2010) Minor Planet Bull. 37, 83-85.]
[Hasegawa, S.; Kuroda, D.; Kitazato, K.; Kasuga, T.; et al. (2018) Pub. Astron. Soc. Japan 70, A114.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D.; Stephens, R.D. (2021) Minor Planet Bull. 48-1, submitted. (NEA) http://www.planetarysciences.org/lightcurves.html]

159402 (1999 AP10)          Discovered 1999-Jan-14 by LINEAR at Socorro
Reference: 20070630/Numbers.arcLast Updated: 2007-07-05

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