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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1284123339157648 4.898e-08  
a 2.550769043992594 1.3743e-08 au
q 2.223218837773421 1.2815e-07 au
i 13.99780066835212 5.7717e-06 deg
node 86.71105750986604 1.8637e-05 deg
peri 17.12150523789417 2.7994e-05 deg
M 277.0252821906707 2.2634e-05 deg
tp 2459343.463906117798
(2021-May-08.96390612)
9.4983e-05 TDB
period 1488.007545697555
4.07
1.2025e-05
3.292e-08
d
yr
n .2419342570142933 1.9552e-09 deg/d
Q 2.878319250211768 1.5508e-08 au
  Orbit Determination Parameters
   # obs. used (total)      849  
   data-arc span      8213 days (22.49 yr)  
   first obs. used      1997-01-13  
   last obs. used      2019-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52535  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:19:52  

Additional Information
 Earth MOID = 1.24332 au 
 Jupiter MOID = 2.30914 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 14.9   n/a MPO449559  
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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