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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2331435419469097 7.1163e-08  
a 2.702650447268236 2.1482e-08 AU
q 2.07254494934772 1.9092e-07 AU
i 7.749857593206967 8.4068e-06 deg
node 43.85279595810855 3.8181e-05 deg
peri 317.712350421909 4.0866e-05 deg
M 277.8973671876269 1.78e-05 deg
tp 2457370.615973295204
(2015-Dec-14.11597330)
8.293e-05 JED
period 1622.868181228328
4.44
1.9349e-05
5.297e-08
d
yr
n .2218294770728209 2.6448e-09 deg/d
Q 3.332755945188752 2.649e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      8924 days (24.43 yr)  
   first obs. used      1989-12-28  
   last obs. used      2014-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51062  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:15:35  

Additional Information
 Earth MOID = 1.07821 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 13.0 mag n/a MPO302126  

9877 (1993 ST3)          Discovered 1993-Sep-18 by Holt, H. E. at Palomar (675)
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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