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385664 (2005 SG99)
Classification: Main-belt Asteroid          SPK-ID: 2385664
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149995161533977 6.5976e-08  
a 2.366177716273403 2.5339e-08 au
q 2.09406842376901 1.5185e-07 au
i 5.393235615066323 7.3951e-06 deg
node 242.39724924 7.7084e-05 deg
peri 89.52844282110969 8.5128e-05 deg
M 101.6801084984264 4.1206e-05 deg
tp 2458825.006030015934
(2019-Dec-07.50603002)
0.00014851 TDB
period 1329.442220219067
3.64
2.1355e-05
5.847e-08
d
yr
n .2707902566391179 4.3498e-09 deg/d
Q 2.638287008777795 2.8253e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      6086 days (16.66 yr)  
   first obs. used      2004-05-21  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52193  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:12  

Additional Information
 Earth MOID = 1.09009 au 
 Jupiter MOID = 2.66858 au 
 T_jup = 3.533 
[ 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 17.70   n/a MPCxxxxx  

385664 (2005 SG99)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

Alternate Designations
 2005 SG99 = 2012 OE5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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