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JPL Small-Body Database Browser
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295646 (2008 SG280)
Classification: Main-belt Asteroid          SPK-ID: 2295646
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1103844707942537 6.1214e-08  
a 2.412451215272892 1.8041e-08 au
q 2.14615406455804 1.4623e-07 au
i 5.922561643322357 6.8018e-06 deg
node 197.1616553988752 4.2075e-05 deg
peri 26.42644266997041 4.9339e-05 deg
M 101.181599754123 2.3783e-05 deg
tp 2458215.832692682737
(2018-Apr-07.33269268)
8.9978e-05 TDB
period 1368.630570881754
3.75
1.5352e-05
4.203e-08
d
yr
n .2630366496695061 2.9506e-09 deg/d
Q 2.678748365987745 2.0032e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      6020 days (16.48 yr)  
   first obs. used      2003-05-05  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59408  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:02:07  

Additional Information
 Earth MOID = 1.13968 au 
 Jupiter MOID = 2.29577 au 
 T_jup = 3.503 
[ 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 16.8   n/a MPO450205  
rotation period rot_per 5.342 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

295646 (2008 SG280)          Discovered 2008-Sep-29 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 SG280 = 2004 TQ83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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