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9877 (1993 ST3)
Classification: Main-belt Asteroid          SPK-ID: 2009877
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2329903367841392 6.1549e-08  
a 2.70249074537578 1.787e-08 au
q 2.072836516454657 1.6968e-07 au
i 7.749876401438179 7.3082e-06 deg
node 43.84421309365541 3.7708e-05 deg
peri 317.6410339558281 3.956e-05 deg
M 51.04411929424577 1.3274e-05 deg
tp 2457370.415181361166
(2015-Dec-13.91518136)
5.8888e-05 JED
period 1622.724338380696
4.44
1.6095e-05
4.407e-08
d
yr
n .2218491406613406 2.2004e-09 deg/d
Q 3.332144974296902 2.2033e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1243  
   data-arc span      9520 days (26.06 yr)  
   first obs. used      1989-12-28  
   last obs. used      2016-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50892  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:36:55  

Additional Information
 Earth MOID = 1.07731 au 
 Jupiter MOID = 2.13752 au 
 T_jup = 3.314 
[ 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 13.1 mag n/a MPO358726  

9877 (1993 ST3)          Discovered 1993-Sep-18 by Holt, H. E. at Palomar
Reference: 19990106/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 ST3 = 1989 YY5 = 1991 ES = 1992 JE3 = A922 VB 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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