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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1102195898724531 5.6949e-08  
a 3.012262515762595 3.8734e-08 au
q 2.680252176687078 1.6709e-07 au
i 11.83417339468547 6.3036e-06 deg
node 115.3705820609832 2.7699e-05 deg
peri 344.0307402870493 3.9061e-05 deg
M 201.6083607763377 3.1156e-05 deg
tp 2459840.670455991040
(2022-Sep-18.17045599)
0.00017366 TDB
period 1909.579101771107
5.23
3.6832e-05
1.008e-07
d
yr
n .1885232194184075 3.6362e-09 deg/d
Q 3.344272854838112 4.3003e-08 au
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      8157 days (22.33 yr)  
   first obs. used      1998-04-18  
   last obs. used      2020-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58155  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:28:04  

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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