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7997 (1985 CN1)
Classification: Main-belt Asteroid          SPK-ID: 2007997
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09922294753699804 9.9292e-08  
a 2.299634730319945 1.3973e-08 AU
q 2.071458194119151 2.2701e-07 AU
i 3.17110525284415 1.0114e-05 deg
node 12.91312505845607 0.00010084 deg
peri 144.1386236380345 0.00010875 deg
M 139.5576946108374 3.7236e-05 deg
tp 2456306.714876978728
(2013-Jan-14.21487698)
0.00013118 JED
period 1273.757386028458
3.49
1.161e-05
3.179e-08
d
yr
n .2826283905779503 2.576e-09 deg/d
Q 2.52781126652074 1.536e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      998  
   data-arc span      12897 days (35.31 yr)  
   first obs. used      1978-03-06  
   last obs. used      2013-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51919  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:08:27  

Additional Information
 Earth MOID = 1.08179 AU 
 T_jup = 3.584 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO266000  

7997 (1985 CN1)          Discovered 1985-Feb-13 by Debehogne, H. at La Silla (809)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1985 CN1 = 1978 EC = 1978 ER6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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