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7864 (1982 EE)
Classification: Main-belt Asteroid          SPK-ID: 2007864
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04241858607693003 5.6961e-08  
a 2.703053610079015 2.1389e-08 AU
q 2.588393897849322 1.5506e-07 AU
i 9.356614338037032 6.4525e-06 deg
node 109.925223932494 3.8259e-05 deg
peri 23.9850545894489 8.8783e-05 deg
M 160.4072863858586 7.9847e-05 deg
tp 2456277.227410055660
(2012-Dec-15.72741006)
0.00036 JED
period 1623.231327245477
4.44
1.9266e-05
5.275e-08
d
yr
n .2217798498325545 2.6324e-09 deg/d
Q 2.817713322308709 2.2296e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1024  
   data-arc span      11839 days (32.41 yr)  
   first obs. used      1982-03-14  
   last obs. used      2014-08-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5318  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:52:34  

Additional Information
 Earth MOID = 1.60626 AU 
 T_jup = 3.346 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7 mag n/a MPO302113  

7864 (1982 EE)          Discovered 1982-Mar-14 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 EE = 1986 CW = 1989 WY5 = 1996 JJ16 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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