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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .190449699428735 4.2483e-08  
a 2.391114582782569 1.0881e-08 au
q 1.935727529191964 9.7507e-08 au
i 7.632646770621866 4.8564e-06 deg
node 74.48085532482452 2.7727e-05 deg
peri 118.5425368267512 3.0665e-05 deg
M 64.57204908543926 1.4019e-05 deg
tp 2458758.262666902941
(2019-Oct-01.76266690)
5.1576e-05 TDB
period 1350.513746273627
3.70
9.2187e-06
2.524e-08
d
yr
n .2665652245253493 1.8196e-09 deg/d
Q 2.846501636373175 1.2954e-08 au
  Orbit Determination Parameters
   # obs. used (total)      816  
   data-arc span      8643 days (23.66 yr)  
   first obs. used      1997-01-11  
   last obs. used      2020-09-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52605  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:01  

Additional Information
 Earth MOID = .947939 au 
 Jupiter MOID = 2.13686 au 
 T_jup = 3.495 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456786.5 (2014-May-09.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1907235468540016 4.2421e-08  
q 1.933970611021311 9.7278e-08 au
tp 2457407.977723782741
(2016-Jan-20.47772378)
4.6413e-05 TDB
node 74.51820189645578 2.772e-05 deg
peri 118.4269441034624 3.0662e-05 deg
i 7.634865684032366 4.8578e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      816  
   data-arc span      8643 days (23.66 yr)  
   first obs. used      1997-01-11  
   last obs. used      2020-09-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52605  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:01  

Additional Information
 Jupiter MOID = 2.13686 au 
 T_jup = 3.495 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.799561957348022E-15 -4.113721093299636E-15 9.491649812503199E-13 -8.26585075109397E-15 2.712476090495402E-13 -5.715443558723931E-15
q -4.113721093299636E-15 9.462924947172969E-15 -2.073453513436802E-12 1.826006416804862E-14 -6.009667312784245E-13 1.333439838612602E-14
tp 9.491649812503199E-13 -2.073453513436802E-12 2.154134511261464E-9 -1.045962610629321E-11 6.164320897445719E-10 -2.463762657974122E-12
node -8.26585075109397E-15 1.826006416804862E-14 -1.045962610629321E-11 7.684253456058952E-10 -7.639152614781341E-10 -2.409217798083368E-11
peri 2.712476090495402E-13 -6.009667312784245E-13 6.164320897445719E-10 -7.639152614781341E-10 9.401708350713319E-10 2.31881636964059E-11
i -5.715443558723931E-15 1.333439838612602E-14 -2.463762657974122E-12 -2.409217798083368E-11 2.31881636964059E-11 2.359803457239074E-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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