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JPL Small-Body Database Browser
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100254 (1994 SG4)
Classification: Main-belt Asteroid          SPK-ID: 2100254
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08125265006655959 5.2343e-08  
a 2.654155709030805 2.2511e-08 au
q 2.438498523982764 1.421e-07 au
i 4.274156309103136 5.6909e-06 deg
node 5.828968330592104 8.4198e-05 deg
peri 254.7418819330844 9.2911e-05 deg
M 72.8854221964271 3.868e-05 deg
tp 2458680.738482425441
(2019-Jul-16.23848243)
0.00016942 TDB
period 1579.385052015027
4.32
2.0093e-05
5.501e-08
d
yr
n .2279368160036092 2.8999e-09 deg/d
Q 2.869812894078847 2.434e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      8567 days (23.46 yr)  
   first obs. used      1994-09-28  
   last obs. used      2018-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62192  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-05 14:56:18  

Additional Information
 Earth MOID = 1.42762 au 
 Jupiter MOID = 2.18002 au 
 T_jup = 3.380 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO474878  

100254 (1994 SG4)          Discovered 1994-Sep-28 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1994 SG4 = 2003 UF203 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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