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90891 (1997 AE15)
Classification: Main-belt Asteroid          SPK-ID: 2090891
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1286749302791655 4.6609e-08  
a 2.551625637594049 1.0874e-08 au
q 2.223295386578104 1.2417e-07 au
i 13.99656646770907 5.1298e-06 deg
node 86.71233140271671 1.6005e-05 deg
peri 17.0382150595846 2.5133e-05 deg
M 12.89315024376227 1.9738e-05 deg
tp 2459343.181195247645
(2021-May-08.68119525)
8.1514e-05 TDB
period 1488.757157711272
4.08
9.5167e-06
2.606e-08
d
yr
n .2418124394131833 1.5458e-09 deg/d
Q 2.879955888609994 1.2273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1228  
   data-arc span      8886 days (24.33 yr)  
   first obs. used      1997-01-13  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49022  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:39:16  

Additional Information
 Earth MOID = 1.24355 au 
 Jupiter MOID = 2.30795 au 
 T_jup = 3.387 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.98   n/a MPCxxxxx  
diameter diameter 2.739 km 0.714 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.250   0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90891 (1997 AE15)          Discovered 1997-Jan-13 by Kobayashi, T. at Oizumi
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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