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20082 (1994 EG7)
Classification: Main-belt Asteroid          SPK-ID: 2020082
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09790104826361207 3.624e-08  
a 2.414553750948599 9.1776e-09 au
q 2.178166407641895 8.7415e-08 au
i 7.024784487443961 4.0941e-06 deg
node 120.4440240118929 2.7237e-05 deg
peri 336.5087986647175 3.2668e-05 deg
M 107.8182843412588 1.7274e-05 deg
tp 2458790.065688673207
(2019-Nov-02.56568867)
6.5697e-05 TDB
period 1370.420174837669
3.75
7.8133e-06
2.139e-08
d
yr
n .262693155435079 1.4977e-09 deg/d
Q 2.650941094255303 1.0076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1285  
   data-arc span      11341 days (31.05 yr)  
   first obs. used      1990-01-29  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49325  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:12:52  

Additional Information
 Earth MOID = 1.19675 au 
 Jupiter MOID = 2.46999 au 
 T_jup = 3.501 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.17   n/a E2021B10  
rotation period rot_per 223.245 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

20082 (1994 EG7)          Discovered 1994-Mar-09 by Elst, E. W. at Caussols
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 EG7 = 1990 BB3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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