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JPL Small-Body Database Browser
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80978 (2000 EG8)
Classification: Main-belt Asteroid          SPK-ID: 2080978
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1531877777998453 3.6503e-08  
a 2.422761256418625 1.1546e-08 au
q 2.051623843408295 8.6871e-08 au
i .8523202107219775 4.2194e-06 deg
node 210.8438922053162 0.00033928 deg
peri 233.3014623695408 0.00033973 deg
M 78.50355611251993 1.7898e-05 deg
tp 2458300.133712783791
(2018-Jun-30.63371278)
6.7777e-05 TDB
period 1377.413568919716
3.77
9.8463e-06
2.696e-08
d
yr
n .2613594116706302 1.8683e-09 deg/d
Q 2.793898669428955 1.3315e-08 au
  Orbit Determination Parameters
   # obs. used (total)      478  
   data-arc span      9476 days (25.94 yr)  
   first obs. used      1993-04-25  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58162  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:28:30  

Additional Information
 Earth MOID = 1.0678 au 
 Jupiter MOID = 2.41638 au 
 T_jup = 3.496 
[ 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 16.7   n/a MPO432359  
rotation period rot_per 7.62 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

80978 (2000 EG8)          Discovered 2000-Mar-03 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 2000 EG8 = 2002 TF16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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