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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 254 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5714066426955795 2.9604e-09  
a 2.380938848065377 5.5714e-10 au
q 1.02045457442886 7.0026e-09 au
i 7.573385563530159 7.7877e-07 deg
node 356.8531239073721 3.8647e-06 deg
peri 47.57675137088875 4.5412e-06 deg
M 11.38768044332009 6.2084e-07 deg
tp 2459158.052359014931
(2020-Nov-04.55235901)
2.3045e-06 TDB
period 1341.901964204553
3.67
4.7101e-07
1.29e-09
d
yr
n .2682759319257716 9.4165e-11 deg/d
Q 3.741423121701895 8.7549e-10 au
  Orbit Determination Parameters
   # obs. used (total)      4882  
   # delay obs. used      5  
   # Doppler obs. used      0  
   data-arc span      8083 days (22.13 yr)  
   first obs. used      1999-01-15  
   last obs. used      2021-03-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .21252  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-04 05:56:41  

Additional Information
 Earth MOID = .0771163 au 
 Jupiter MOID = 1.76051 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 16.51   n/a E2021B55  
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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