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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09932437630377523 8.7978e-08  
a 2.299443182064524 1.3363e-08 AU
q 2.071052422159997 1.9879e-07 AU
i 3.171292760305159 8.2652e-06 deg
node 12.90917195490347 0.00010035 deg
peri 144.1715066232233 0.00010484 deg
M 196.0494238970032 3.0067e-05 deg
tp 2457580.519904511995
(2016-Jul-11.01990451)
0.00010864 JED
period 1273.598242760315
3.49
1.1102e-05
3.04e-08
d
yr
n .2826637065859631 2.4641e-09 deg/d
Q 2.527833941969051 1.4691e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1038  
   data-arc span      13329 days (36.49 yr)  
   first obs. used      1978-03-06  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51522  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:52:51  

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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