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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01599935081124832 4.5876e-05  
a 44.07235473383558 0.0035621 au
q 43.36722566937117 0.001694 au
i 2.243222369673104 9.4631e-05 deg
node 304.3559129371407 0.00035143 deg
peri 226.177259853225 0.15869 deg
M 329.0321442272149 0.15658 deg
tp 2466793.482729516129
(2041-Sep-30.98272952)
45.425 JED
period 106868.0313841491
292.59
12.956
0.03547
d
yr
n .003368640699536607 4.084e-07 deg/d
Q 44.7774837983 0.0036191 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      6940 days (19.00 yr)  
   first obs. used      1997-02-03  
   last obs. used      2016-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      3  
   fit RMS      .45236  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-26 04:18:12  

Additional Information
 Earth MOID = 42.3729 au 
 Jupiter MOID = 37.936 au 
 T_jup = 5.934 
[ 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. 2016-February); 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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