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JPL Small-Body Database Browser
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37536 (1981 EM2)
Classification: Main-belt Asteroid          SPK-ID: 2037536
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330930160100584 4.3689e-08  
a 2.317521724037882 1.1574e-08 au
q 2.00907576811685 1.042e-07 au
i 7.506648707692772 5.7947e-06 deg
node 234.8629113901038 3.4221e-05 deg
peri 290.8698980462469 4.0336e-05 deg
M 48.89424365411567 2.2826e-05 deg
tp 2458825.479314998985
(2019-Dec-07.97931500)
8.1132e-05 TDB
period 1288.647535813999
3.53
9.6536e-06
2.643e-08
d
yr
n .2793626573557982 2.0928e-09 deg/d
Q 2.625967679958914 1.3115e-08 au
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      14241 days (38.99 yr)  
   first obs. used      1981-02-02  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55129  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:33:44  

Additional Information
 Earth MOID = 1.0296 au 
 Jupiter MOID = 2.39221 au 
 T_jup = 3.557 
[ 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 16.4   n/a MPO468204  

37536 (1981 EM2)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 EM2 = 2002 CC41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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