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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2332356442691344 7.5332e-08  
a 2.702213836248524 1.9723e-08 AU
q 2.07196125119813 2.015e-07 AU
i 7.750736935168349 8.5896e-06 deg
node 43.85399328949129 4.3432e-05 deg
peri 317.7485104323899 4.5955e-05 deg
M 233.4896872818946 1.733e-05 deg
tp 2457370.666143676602
(2015-Dec-14.16614368)
8.1505e-05 JED
period 1622.474937525004
4.44
1.7763e-05
4.863e-08
d
yr
n .2218832424919673 2.4292e-09 deg/d
Q 3.332466421298917 2.4323e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1048  
   data-arc span      33377 days (91.38 yr)  
   first obs. used      1922-11-21  
   last obs. used      2014-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54415  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:57:28  

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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