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37117 Narcissus (2000 VU2)
Classification: Centaur          SPK-ID: 2037117
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5536936728985365 3.0517e-08  
a 6.874242445597005 5.5753e-08 au
q 3.068017897499381 2.0886e-07 au
i 13.80578484001514 4.8868e-06 deg
node 248.4828299996939 2.3826e-05 deg
peri 180.0800143872867 2.4465e-05 deg
M 49.20474735305957 3.1103e-06 deg
tp 2458496.711993743436
(2019-Jan-13.21199374)
5.3428e-05 TDB
period 6583.17946291053
18.02
8.0089e-05
2.193e-07
d
yr
n .05468482243697458 6.6528e-10 deg/d
Q 10.68046699369463 8.6623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      13577 days (37.17 yr)  
   first obs. used      1984-03-07  
   last obs. used      2021-05-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43941  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 16:25:53  

Additional Information
 Earth MOID = 2.08201 au 
 Jupiter MOID = 1.28383 au 
 T_jup = 2.616 
[ 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 13.29   n/a E2021B10  
diameter diameter 11.2 km 1.6 Fernandez et al. (2005) Astron.J. 130:308-318  
geometric albedo albedo 0.088   0.044 Fernandez et al. (2005) Astron.J. 130:308-318  

37117 Narcissus           Discovered 2000 Nov. 1 by W. K. Y. Yeung at the Desert Beaver Observatory.
In Greek mythology Narcissus was a hero from the territory of Thespiae in Boeotia who was renowned for his beauty. In the various stories, he became obsessed with his own reflection in a pool and, for one reason or another, died as a result.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090409/MPCPages.arcLast Updated: 2009-04-10

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Alternate Designations
 2000 VU2 = 2000 VW55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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