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9366 (1992 WR1)
Classification: Main-belt Asteroid          SPK-ID: 2009366
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2051595963410883 2.8801e-08  
a 2.259512377188622 5.6752e-09 au
q 1.795951729956911 6.4785e-08 au
i 7.729357828742528 3.5676e-06 deg
node 98.18554518250524 3.1885e-05 deg
peri 227.804606149597 3.402e-05 deg
M 111.7120219487299 1.2006e-05 deg
tp 2458615.537943634370
(2019-May-12.03794363)
4.1274e-05 TDB
period 1240.567826757543
3.40
4.6739e-06
1.28e-08
d
yr
n .2901896955855511 1.0933e-09 deg/d
Q 2.723073024420332 6.8396e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1928  
   data-arc span      15120 days (41.40 yr)  
   first obs. used      1978-09-07  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49688  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:17:35  

Additional Information
 Earth MOID = .794119 au 
 Jupiter MOID = 2.6169 au 
 T_jup = 3.581 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO449005  
diameter diameter 3.212 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.392   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9366 (1992 WR1)          Discovered 1992-Nov-17 by Sugie, A. at Dynic
Reference: 19981005/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 WR1 = 1978 RP4 = 1998 KV6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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