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181761 (1996 VR2)
Classification: Main-belt Asteroid          SPK-ID: 2181761
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1716476839497711 5.2506e-08  
a 2.754031610379257 2.0281e-08 au
q 2.281308462933199 1.4541e-07 au
i 10.10980078052162 5.542e-06 deg
node 46.81815271836012 2.8046e-05 deg
peri 287.4149153771329 3.2315e-05 deg
M 155.7000797646993 1.9222e-05 deg
tp 2458478.498429519861
(2018-Dec-25.99842952)
8.4889e-05 TDB
period 1669.366937805383
4.57
1.844e-05
5.049e-08
d
yr
n .2156506109275594 2.3821e-09 deg/d
Q 3.226754757825315 2.3763e-08 au
  Orbit Determination Parameters
   # obs. used (total)      440  
   data-arc span      8909 days (24.39 yr)  
   first obs. used      1996-11-10  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53519  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:49  

Additional Information
 Earth MOID = 1.29514 au 
 Jupiter MOID = 2.24569 au 
 T_jup = 3.301 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.61   n/a MPCxxxxx  

181761 (1996 VR2)          Discovered 1996-Nov-10 by di Cicco, D. at Sudbury
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 1996 VR2 = 2005 SV217 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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