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79360 Sila-Nunam (1997 CS29)
Classification: TransNeptunian Object          SPK-ID: 2079360
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01652497305882465 5.1574e-05  
a 44.14769747677977 0.0036059 AU
q 43.41815796536684 0.0014333 AU
i 2.237893974702972 9.6226e-05 deg
node 304.3235791676071 0.00035527 deg
peri 216.90217743 0.13464 deg
M 336.0843334909164 0.13249 deg
tp 2464118.213479894739
(2034-Jun-04.71347989)
38.644 JED
period 107142.1886481343
293.34
13.127
0.03594
d
yr
n .003360020964125309 4.1166e-07 deg/d
Q 44.87723698819269 0.0036655 AU
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6203 days (16.98 yr)  
   first obs. used      1997-02-03  
   last obs. used      2014-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      3  
   fit RMS      .46345  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 05:43:54  

Additional Information
 Earth MOID = 42.4278 AU 
 T_jup = 5.938 
[ 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 5.2 mag n/a MPO284680  
rotation period rot_per 300.24 h n/a LCDB (Rev. 2015-May); 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:
[Grundy, W.M.; Benecchi, S.D.; Rabinowitz, D.L.; Porter, S.B.; et al. (2012) Icarus 220, 74-83.]
[Rabinowitz, D.L.; Benecchi, S.D.; Grundy, W.M.; Verbiscer, A.J. (2014) Icarus 236, 72-82.]

79360 Sila-Nunam           Discovered 1997 Feb. 3 by J. X. Luu, D. C. Jewitt, C. A. Trujillo and J. Chen at Mauna Kea.
Sila is the Inuit god of the sky, weather, and life force. Nunam is the Earth goddess, Sila's wife. Nunam created the land animals and, in some traditions, the Inuit people (in other traditions Sila created the first people out of wet sand). Sila breathed life into the Inuit.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120109/MPCPages.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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