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80587 (2000 AU131)
Classification: Main-belt Asteroid          SPK-ID: 2080587
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1354579993263949 2.949e-08  
a 2.448200592957721 9.0047e-09 au
q 2.116572238685974 7.1626e-08 au
i 2.642004681389013 3.1539e-06 deg
node 301.8434010528045 9.6533e-05 deg
peri 167.7049102670532 9.8054e-05 deg
M 107.4667534018535 1.8711e-05 deg
tp 2458582.823007355116
(2019-Apr-09.32300735)
7.1638e-05 TDB
period 1399.164975142579
3.83
7.7193e-06
2.113e-08
d
yr
n .2572963205881529 1.4195e-09 deg/d
Q 2.779828947229467 1.0224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      973  
   data-arc span      10478 days (28.69 yr)  
   first obs. used      1991-11-07  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55305  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:18:54  

Additional Information
 Earth MOID = 1.13337 au 
 Jupiter MOID = 2.32486 au 
 T_jup = 3.483 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457142.5 (2015-Apr-30.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1355902003849991 2.9464e-08  
q 2.116410311747084 7.1534e-08 au
tp 2457185.120453372966
(2015-Jun-11.62045337)
6.8392e-05 TDB
node 301.9044603972968 9.6451e-05 deg
peri 168.0968962475815 9.7966e-05 deg
i 2.643487644632215 3.1545e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      973  
   data-arc span      10478 days (28.69 yr)  
   first obs. used      1991-11-07  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55305  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:18:54  

Additional Information
 Jupiter MOID = 2.32486 au 
 T_jup = 3.483 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.681400782649374E-16 -2.0955328449556E-15 -4.149338449310707E-13 -1.265765696530587E-15 -1.216708457427354E-13 1.902663019830084E-16
q -2.0955328449556E-15 5.117121916337146E-15 1.197544081090892E-12 4.051085028874705E-15 3.417958961964424E-13 -4.680511534287027E-16
tp -4.149338449310707E-13 1.197544081090892E-12 4.677503447438612E-9 1.540224042532795E-11 1.199108978281238E-9 -9.441360702205401E-13
node -1.265765696530587E-15 4.051085028874705E-15 1.540224042532795E-11 9.302784949872402E-9 -9.288827892893679E-9 -4.648538451812484E-11
peri -1.216708457427354E-13 3.417958961964424E-13 1.199108978281238E-9 -9.288827892893679E-9 9.59729881461796E-9 4.619226346055244E-11
i 1.902663019830084E-16 -4.680511534287027E-16 -9.441360702205401E-13 -4.648538451812484E-11 4.619226346055244E-11 9.951157673445914E-12

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 15.7   n/a MPO417380  
rotation period rot_per 2.90 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

80587 (2000 AU131)          Discovered 2000-Jan-03 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 2000 AU131 = 2002 RD204 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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