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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2214684232061543 6.3026e-08  
a 2.702007105242441 2.0626e-08 au
q 2.103597852152573 1.7255e-07 au
i 12.55951766537247 7.1823e-06 deg
node 178.6671997565239 2.7865e-05 deg
peri 143.3842383278688 3.1292e-05 deg
M 263.9609777381845 1.646e-05 deg
tp 2457833.286182026934
(2017-Mar-20.78618203)
7.669e-05 JED
period 1622.288751596781
4.44
1.8575e-05
5.086e-08
d
yr
n .2219087074638595 2.5409e-09 deg/d
Q 3.300416358332311 2.5194e-08 au
  Orbit Determination Parameters
   # obs. used (total)      692  
   data-arc span      8984 days (24.60 yr)  
   first obs. used      1990-08-18  
   last obs. used      2015-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56106  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:48:32  

Additional Information
 Earth MOID = 1.10446 au 
 Jupiter MOID = 2.13787 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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