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181984 (1999 VF82)
Classification: Main-belt Asteroid          SPK-ID: 2181984
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2452486419760838 5.6797e-08  
a 2.209311825519914 1.1237e-08 au
q 1.667481100609453 1.2829e-07 au
i 7.41050552731471 7.148e-06 deg
node 34.08883624954226 4.0057e-05 deg
peri 299.0975173844322 4.1819e-05 deg
M 191.7540177457082 1.574e-05 deg
tp 2459761.065226660517
(2022-Jun-30.56522666)
5.5509e-05 TDB
period 1199.454981889402
3.28
9.1509e-06
2.505e-08
d
yr
n .30013631644009 2.2898e-09 deg/d
Q 2.751142550430376 1.3993e-08 au
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      7860 days (21.52 yr)  
   first obs. used      1999-10-04  
   last obs. used      2021-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51618  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:58  

Additional Information
 Earth MOID = .671815 au 
 Jupiter MOID = 2.65685 au 
 T_jup = 3.608 
[ 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 16.45   n/a MPCxxxxx  
diameter diameter 1.811 km 0.614 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.148   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181984 (1999 VF82)          Discovered 1999-Nov-05 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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