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357139 (2002 AP149)
Classification: Main-belt Asteroid          SPK-ID: 2357139
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1102195994040422 5.973e-08  
a 3.012262522470655 4.0734e-08 au
q 2.680252153944129 1.7254e-07 au
i 11.83417382172308 6.3894e-06 deg
node 115.3705789990902 3.0176e-05 deg
peri 344.0307395377721 4.1293e-05 deg
M 201.6083629787065 3.1367e-05 deg
tp 2459840.670447115310
(2022-Sep-18.17044712)
0.00017423 TDB
period 1909.57910814982
5.23
3.8734e-05
1.06e-07
d
yr
n .188523218788669 3.824e-09 deg/d
Q 3.34427289099718 4.5223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      7768 days (21.27 yr)  
   first obs. used      1998-04-18  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58959  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:28:00  

Additional Information
 Earth MOID = 1.69914 au 
 Jupiter MOID = 1.79917 au 
 T_jup = 3.208 
[ 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 15.9   n/a MPO476670  

357139 (2002 AP149)          Discovered 2002-Jan-14 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2002 AP149 = 1998 HP9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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