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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09932437533549922 8.7357e-08  
a 2.29944318209194 1.3327e-08 AU
q 2.071052424411185 1.9723e-07 AU
i 3.171292442546199 8.1521e-06 deg
node 12.90917008798845 0.00010006 deg
peri 144.1715079654897 0.00010437 deg
M 196.0494243267331 2.9627e-05 deg
tp 2457580.519903002081
(2016-Jul-11.01990300)
0.00010718 JED
period 1273.598242783093
3.49
1.1072e-05
3.031e-08
d
yr
n .2826637065809079 2.4574e-09 deg/d
Q 2.527833939772695 1.4651e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      13351 days (36.55 yr)  
   first obs. used      1978-03-06  
   last obs. used      2014-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51254  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:11:36  

Additional Information
 Earth MOID = 1.08182 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 14.1 mag n/a MPO302114  

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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