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70808 (1999 VJ66)
Classification: Main-belt Asteroid          SPK-ID: 2070808
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1860981769445788 6.38e-08  
a 2.726752412131532 1.4075e-08 au
q 2.219308759254621 1.7349e-07 au
i 10.42003111829163 7.0055e-06 deg
node 53.26668542050151 2.4456e-05 deg
peri 5.826147538902661 2.8089e-05 deg
M 196.1690149678851 1.2792e-05 deg
tp 2459748.946096271135
(2022-Jun-18.44609627)
6.0541e-05 TDB
period 1644.625371719468
4.50
1.2734e-05
3.486e-08
d
yr
n .2188948353773828 1.6949e-09 deg/d
Q 3.234196065008443 1.6695e-08 au
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      13752 days (37.65 yr)  
   first obs. used      1981-10-30  
   last obs. used      2019-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50378  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:16:01  

Additional Information
 Earth MOID = 1.23186 au 
 Jupiter MOID = 2.13066 au 
 T_jup = 3.307 
[ 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 15.3   n/a MPO296642  
diameter diameter 3.201 km 0.598 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.172   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70808 (1999 VJ66)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VJ66 = 1981 UN6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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