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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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05577517743988718 3.6047e-08  
a 2.847014566460448 1.1691e-08 au
q 2.688221823842174 9.9678e-08 au
i 3.240591872167603 3.0469e-06 deg
node 93.27026854372023 8.1212e-05 deg
peri 221.7843753655621 9.0123e-05 deg
M 108.8187771494966 3.9487e-05 deg
tp 2458470.123465753137
(2018-Dec-17.62346575)
0.00019222 TDB
period 1754.619536539736
4.80
1.0808e-05
2.959e-08
d
yr
n .2051726841648826 1.2638e-09 deg/d
Q 3.005807309078723 1.2343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2514  
   data-arc span      23663 days (64.79 yr)  
   first obs. used      1955-04-16  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47979  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:38:47  

Additional Information
 Earth MOID = 1.67529 au 
 Jupiter MOID = 2.14868 au 
 T_jup = 3.302 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456502.5 (2013-Jul-29.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0586069518795771 3.6233e-08  
q 2.680096771993334 1.006e-07 au
tp 2456713.068865249458
(2014-Feb-24.56886525)
0.00018267 TDB
node 93.36675273458731 8.13e-05 deg
peri 221.1884427773787 8.9408e-05 deg
i 3.239526904442088 3.0446e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2514  
   data-arc span      23663 days (64.79 yr)  
   first obs. used      1955-04-16  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47979  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:38:47  

Additional Information
 Jupiter MOID = 2.14868 au 
 T_jup = 3.302 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.312826529351609E-15 -3.625142135664392E-15 2.877980832143123E-12 -6.682073636268477E-15 5.610188855377269E-13 -2.182085747362946E-16
q -3.625142135664392E-15 1.012002343590095E-14 -8.19317102279568E-12 1.875583944151908E-14 -1.602756088611659E-12 7.157393604850278E-16
tp 2.877980832143123E-12 -8.19317102279568E-12 3.336666608650857E-8 -4.052781712696717E-11 6.829648774215596E-9 -2.233838308696751E-12
node -6.682073636268477E-15 1.875583944151908E-14 -4.052781712696717E-11 6.609697176479284E-9 -6.607220100797774E-9 -2.628675962423938E-11
peri 5.610188855377269E-13 -1.602756088611659E-12 6.829648774215596E-9 -6.607220100797774E-9 7.993769650509205E-9 2.57882049185606E-11
i -2.182085747362946E-16 7.157393604850278E-16 -2.233838308696751E-12 -2.628675962423938E-11 2.57882049185606E-11 9.26972568492777E-12

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. 2019-August); 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

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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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