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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2332356407749557 7.1193e-08  
a 2.702213855148671 2.1473e-08 AU
q 2.071961275132107 1.9096e-07 AU
i 7.75072523211537 8.408e-06 deg
node 43.85399623633391 3.8187e-05 deg
peri 317.7484838392076 4.0868e-05 deg
M 233.4896980825936 1.7482e-05 deg
tp 2457370.666100981089
(2015-Dec-14.16610098)
8.287e-05 JED
period 1622.474954547166
4.44
1.9339e-05
5.295e-08
d
yr
n .221883240164084 2.6447e-09 deg/d
Q 3.332466435165234 2.6481e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1098  
   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      .51175  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:22:47  

Additional Information
 Earth MOID = 1.07619 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 12.9 mag n/a MPO263437  

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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