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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 120 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5714023104942511 1.136e-08  
a 2.381170926150808 4.2349e-09 au
q 1.020564357266501 2.7188e-08 au
i 7.580056316533361 3.974e-06 deg
node 356.9071648236042 1.4011e-05 deg
peri 47.49641584984185 1.486e-05 deg
M 317.7442630641092 2.9056e-06 deg
tp 2459158.031519862475
(2020-Nov-04.53151986)
1.1211e-05 TDB
period 1342.098168505067
3.67
3.5804e-06
9.803e-09
d
yr
n .2682367120737493 7.1558e-10 deg/d
Q 3.741777495035116 6.6547e-09 au
  Orbit Determination Parameters
   # obs. used (total)      863  
   # delay obs. used      4  
   # Doppler obs. used      0  
   data-arc span      7849 days (21.49 yr)  
   first obs. used      1999-01-14  
   last obs. used      2020-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .33918  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-12 06:38:48  

Additional Information
 Earth MOID = .0778925 au 
 Jupiter MOID = 1.75913 au 
 T_jup = 3.286 
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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 16.1   n/a MPO234095  
rotation period rot_per 7.908 h n/a LCDB (Rev. 2019-August); 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.]

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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