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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2204123374304042 6.282e-08  
a 2.70573829445606 2.0677e-08 AU
q 2.109360192500045 1.7185e-07 AU
i 12.53397923539934 7.1723e-06 deg
node 178.7133616809044 2.7937e-05 deg
peri 142.9711887234637 3.1369e-05 deg
M 175.7543203215923 1.6081e-05 deg
tp 2456206.847080810309
(2012-Oct-06.34708081)
6.9126e-05 JED
period 1625.650228031336
4.45
1.8635e-05
5.102e-08
d
yr
n .2214498505228646 2.5385e-09 deg/d
Q 3.302116396412075 2.5235e-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 = 1.11297 AU 
 T_jup = 3.296 
[ 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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