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12374 Rakhat (1994 JG9)
Classification: Main-belt Asteroid          SPK-ID: 2012374
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3072582835209771 6.1199e-08  
a 2.55044077575133 1.5241e-08 au
q 1.766796720772067 1.5617e-07 au
i 8.985994892816187 4.9027e-06 deg
node 123.4673296136634 4.1514e-05 deg
peri 201.9942227909811 4.3138e-05 deg
M 51.94761013457155 1.2762e-05 deg
tp 2457185.823570573654
(2015-Jun-12.32357057)
5.2709e-05 JED
period 1487.720308851161
4.07
1.3336e-05
3.651e-08
d
yr
n .2419809676981536 2.1691e-09 deg/d
Q 3.334084830730593 1.9925e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1172  
   data-arc span      22288 days (61.02 yr)  
   first obs. used      1954-11-24  
   last obs. used      2015-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49235  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:20:36  

Additional Information
 Earth MOID = .756065 au 
 Jupiter MOID = 2.0116 au 
 T_jup = 3.356 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO299052  
rotation period rot_per 18.1702 h n/a LCDB (Rev. 2015-December); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

12374 Rakhat           Discovered 1994 May 15 by C. P. de Saint-Aignan at Palomar.
Rakhat is a planet with the first known extraterrestrial life in the novel The Sparrow, by Mary Doria Russell. First contact is established when a group of specialists organized by Jesuits is sent to the planet.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020328/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1994 JG9 = 1958 TP = 1974 OP = 1978 NV2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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