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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457486.5 (2016-Apr-08.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1115634347693708 6.0256e-08  
q 2.672128003970661 1.7553e-07 au
tp 2457920.988692431690
(2017-Jun-16.48869243)
0.00015564 TDB
node 115.4935472420571 3.0335e-05 deg
peri 341.8998738763262 4.1052e-05 deg
i 11.8073868878939 6.3815e-06 deg
  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
 Jupiter MOID = 1.79917 au 
 T_jup = 3.208 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.630794866255539E-15 -1.038163554345184E-14 -6.974513259351743E-13 -2.672950676973169E-15 -1.85525642738776E-13 -8.696565621266261E-16
q -1.038163554345184E-14 3.081116559282185E-14 4.081621479656966E-12 1.072763750694954E-14 8.464151234461511E-13 4.662125934623564E-15
tp -6.974513259351743E-13 4.081621479656966E-12 2.422439904190691E-8 1.303206681979185E-11 4.348238033740825E-9 3.633758332126973E-12
node -2.672950676973169E-15 1.072763750694954E-14 1.303206681979185E-11 9.202303309627463E-10 -8.982685040594096E-10 -4.708688301509321E-11
peri -1.85525642738776E-13 8.464151234461511E-13 4.348238033740825E-9 -8.982685040594096E-10 1.68524610379678E-9 4.667145243576151E-11
i -8.696565621266261E-16 4.662125934623564E-15 3.633758332126973E-12 -4.708688301509321E-11 4.667145243576151E-11 4.07241383344651E-11

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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