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437281 (2013 AF25)
Classification: Main-belt Asteroid          SPK-ID: 2437281
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1487875796491097 9.2621e-08  
a 2.874466358201893 5.2497e-08 au
q 2.446781465982243 2.9542e-07 au
i 2.093443532335291 6.9329e-06 deg
node 138.2042359703569 0.00025078 deg
peri 217.6987552363281 0.00025266 deg
M 261.8337808885953 3.5347e-05 deg
tp 2459485.893365257302
(2021-Sep-28.39336526)
0.00018312 TDB
period 1780.058487271695
4.87
4.8765e-05
1.335e-07
d
yr
n .2022405457877814 5.5404e-09 deg/d
Q 3.302151250421543 6.0308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      4602 days (12.60 yr)  
   first obs. used      2007-11-18  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68143  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:39:52  

Additional Information
 Earth MOID = 1.44266 au 
 Jupiter MOID = 2.13724 au 
 T_jup = 3.279 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457684.5 (2016-Oct-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1485604159665095 9.2697e-08  
q 2.448080784680428 2.9569e-07 au
tp 2457708.200710700577
(2016-Nov-15.70071070)
0.00015667 TDB
node 138.2149396103314 0.00025082 deg
peri 218.1126252856749 0.00025271 deg
i 2.093172514225385 6.9312e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      4602 days (12.60 yr)  
   first obs. used      2007-11-18  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68143  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:39:52  

Additional Information
 Jupiter MOID = 2.13724 au 
 T_jup = 3.279 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.592758731332283E-15 -2.72072932641352E-14 -2.112385729534306E-12 -1.996329435935351E-15 1.333743460037891E-14 1.353562565216944E-16
q -2.72072932641352E-14 8.743195070234257E-14 9.189369597417627E-12 8.435198528789116E-15 4.410797409471989E-13 1.090349032235558E-15
tp -2.112385729534306E-12 9.189369597417627E-12 2.454698973853303E-8 -4.665184624480715E-11 4.91252132396549E-9 8.029588376671872E-12
node -1.996329435935351E-15 8.435198528789116E-15 -4.665184624480715E-11 6.291068114456197E-8 -6.28770820742083E-8 -2.203298782668177E-10
peri 1.333743460037891E-14 4.410797409471989E-13 4.91252132396549E-9 -6.28770820742083E-8 6.386160933934425E-8 2.217883811239436E-10
i 1.353562565216944E-16 1.090349032235558E-15 8.029588376671872E-12 -2.203298782668177E-10 2.217883811239436E-10 4.80409612466337E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO472426  

437281 (2013 AF25)          Discovered 2007-Nov-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

Alternate Designations
 2013 AF25 = 2008 AV6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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