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37581 (1990 SU15)
Classification: Main-belt Asteroid          SPK-ID: 2037581
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2215689631434807 5.8857e-08  
a 2.701328080835825 1.9451e-08 au
q 2.102797618854663 1.6325e-07 au
i 12.56002603009189 6.8221e-06 deg
node 178.6685153449848 2.6354e-05 deg
peri 143.4524185199971 2.9966e-05 deg
M 308.2927947446608 1.6341e-05 deg
tp 2457833.423330282990
(2017-Mar-20.92333028)
7.487e-05 JED
period 1621.677259248469
4.44
1.7516e-05
4.796e-08
d
yr
n .2219923834702067 2.3977e-09 deg/d
Q 3.299858542816988 2.3761e-08 au
  Orbit Determination Parameters
   # obs. used (total)      768  
   data-arc span      9373 days (25.66 yr)  
   first obs. used      1990-08-18  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54858  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 14:10:46  

Additional Information
 Earth MOID = 1.10492 au 
 Jupiter MOID = 2.13916 au 
 T_jup = 3.298 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO319540  

37581 (1990 SU15)          Discovered 1990-Sep-16 by Holt, H. E. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 SU15 = 1990 QD1 = 1998 HH48 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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