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15802 (1994 AT2)
Classification: Main-belt Asteroid          SPK-ID: 2015802
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07304370144685236 3.0455e-08  
a 2.735159019936392 9.8035e-09 au
q 2.535372881074493 8.3693e-08 au
i 4.771679775180574 3.3147e-06 deg
node 252.7529104902839 3.9816e-05 deg
peri 108.8020659906951 4.6853e-05 deg
M 97.14893102118154 2.3527e-05 deg
tp 2458754.630439898480
(2019-Sep-28.13043990)
0.00010818 TDB
period 1652.236828025935
4.52
8.883e-06
2.432e-08
d
yr
n .2178864397001259 1.1714e-09 deg/d
Q 2.93494515879829 1.052e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1963  
   data-arc span      11325 days (31.01 yr)  
   first obs. used      1990-03-02  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50753  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:09:26  

Additional Information
 Earth MOID = 1.53594 au 
 Jupiter MOID = 2.40864 au 
 T_jup = 3.344 
[ show covariance matrix ]

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 14.32   n/a E2021B10  
diameter diameter 3.888 km 0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.353   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15802 (1994 AT2)          Discovered 1994-Jan-14 by Kobayashi, T. at Oizumi
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 AT2 = 1990 EA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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