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3117 Niepce (1983 CM1)
Classification: Main-belt Asteroid          SPK-ID: 2003117
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05577517785732498 3.5797e-08  
a 2.847014566841921 1.1489e-08 au
q 2.688221823013918 9.8679e-08 au
i 3.240591893018944 3.038e-06 deg
node 93.2702609348908 7.6719e-05 deg
peri 221.7843794443404 8.5389e-05 deg
M 108.8187805310899 3.8203e-05 deg
tp 2458470.123449164846
(2018-Dec-17.62344916)
0.0001858 TDB
period 1754.619536892389
4.80
1.0621e-05
2.908e-08
d
yr
n .2051726841236459 1.2419e-09 deg/d
Q 3.005807310669924 1.2129e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2721  
   data-arc span      23950 days (65.57 yr)  
   first obs. used      1955-04-16  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .468  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:10:27  

Additional Information
 Earth MOID = 1.67529 au 
 Jupiter MOID = 2.14868 au 
 T_jup = 3.302 
[ 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 12.4   n/a MPO309171  
rotation period rot_per 9.84 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:
[Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

3117 Niepce (1983 CM1)          Discovered 1983-Feb-11 by Thomas, N. G. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1983 CM1 = 1962 XV1 = 1973 AA2 = 1975 NR = 1976 UE5 = 1978 EY = 1979 HL4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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