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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1109771265269535 5.5745e-08  
a 3.0081783158325 3.8144e-08 au
q 2.674339330260719 1.6257e-07 au
i 11.83519948200117 6.003e-06 deg
node 115.3700037254273 2.7446e-05 deg
peri 344.7646683667972 3.8577e-05 deg
M 238.5291082883059 3.1267e-05 deg
tp 2459843.518562605133
(2022-Sep-21.01856261)
0.00017211 TDB
period 1905.69674162985
5.22
3.6247e-05
9.924e-08
d
yr
n .188907286314668 3.5931e-09 deg/d
Q 3.342017301404281 4.2377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      8157 days (22.33 yr)  
   first obs. used      1998-04-18  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57195  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:19:34  

Additional Information
 Earth MOID = 1.69288 au 
 Jupiter MOID = 1.79925 au 
 T_jup = 3.209 
[ 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 16.02   n/a E2021B25  

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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