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70815 (1999 VR72)
Classification: Main-belt Asteroid          SPK-ID: 2070815
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1865719229481595 3.9485e-08  
a 2.583933793753383 1.2451e-08 au
q 2.101844297082081 9.9813e-08 au
i 9.757101976718138 4.5339e-06 deg
node 59.83048168397364 2.8329e-05 deg
peri 330.931324069098 3.1585e-05 deg
M 351.3862476947518 1.7154e-05 deg
tp 2459036.800313691530
(2020-Jul-06.30031369)
7.2448e-05 TDB
period 1517.12197725824
4.15
1.0966e-05
3.002e-08
d
yr
n .2372914013483583 1.7152e-09 deg/d
Q 3.066023290424684 1.4774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1002  
   data-arc span      7719 days (21.13 yr)  
   first obs. used      1999-09-13  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5284  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:59:01  

Additional Information
 Earth MOID = 1.11415 au 
 Jupiter MOID = 2.3757 au 
 T_jup = 3.378 
[ 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 14.8   n/a MPO439541  
diameter diameter 6.769 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70815 (1999 VR72)          Discovered 1999-Nov-15 by Pravec, P. at Ondrejov
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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