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85427 (1997 AE13)
Classification: Main-belt Asteroid          SPK-ID: 2085427
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904497037616055 4.5686e-08  
a 2.39111458250865 1.0971e-08 au
q 1.935727518609823 1.059e-07 au
i 7.632648367490114 5.1948e-06 deg
node 74.48084657347947 2.9256e-05 deg
peri 118.5425465681009 3.2311e-05 deg
M 64.57204847802055 1.4144e-05 deg
tp 2458758.262669223253
(2019-Oct-01.76266922)
5.2086e-05 TDB
period 1350.513746041561
3.70
9.2948e-06
2.545e-08
d
yr
n .2665652245711547 1.8346e-09 deg/d
Q 2.846501646407478 1.3061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      767  
   data-arc span      8558 days (23.43 yr)  
   first obs. used      1997-01-11  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53405  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:16:38  

Additional Information
 Earth MOID = .947939 au 
 Jupiter MOID = 2.13686 au 
 T_jup = 3.495 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456616.5 (2013-Nov-20.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1905783545149891 4.5617e-08  
q 1.934565463120764 1.0568e-07 au
tp 2456058.551940731283
(2012-May-11.05194073)
4.3928e-05 TDB
node 74.52146556536809 2.9247e-05 deg
peri 118.4362757865454 3.231e-05 deg
i 7.634684834219403 5.196e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      767  
   data-arc span      8558 days (23.43 yr)  
   first obs. used      1997-01-11  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53405  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:16:38  

Additional Information
 Jupiter MOID = 2.13686 au 
 T_jup = 3.495 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.080954350717858E-15 -4.806607098504986E-15 9.159478157897889E-13 -9.494223457144428E-15 3.351799036548876E-13 -6.529741577309656E-15
q -4.806607098504986E-15 1.116878122520816E-14 -2.087995014676386E-12 2.079787193488419E-14 -7.579284767452074E-13 1.542851563183399E-14
tp 9.159478157897889E-13 -2.087995014676386E-12 1.929632856042853E-9 -1.565639674895965E-11 6.107192650016946E-10 -1.376301978374874E-12
node -9.494223457144428E-15 2.079787193488419E-14 -1.565639674895965E-11 8.553805111200897E-10 -8.522218788941034E-10 -4.113278965299406E-11
peri 3.351799036548876E-13 -7.579284767452074E-13 6.107192650016946E-10 -8.522218788941034E-10 1.043959605367903E-9 4.026716560622634E-11
i -6.529741577309656E-15 1.542851563183399E-14 -1.376301978374874E-12 -4.113278965299406E-11 4.026716560622634E-11 2.699863483167027E-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 15.6   n/a MPO432398  

85427 (1997 AE13)          Discovered 1997-Jan-11 by Kobayashi, T. at Oizumi
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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