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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1867318842191501 3.9172e-08  
a 2.584486772908605 1.0865e-08 au
q 2.10188068806391 9.847e-08 au
i 9.756443348755884 4.4578e-06 deg
node 59.83079838256258 2.6778e-05 deg
peri 330.9549718525669 2.9696e-05 deg
M 38.81519129903703 1.4986e-05 deg
tp 2459036.871432711993
(2020-Jul-06.37143271)
6.2674e-05 TDB
period 1517.609014724703
4.15
9.5698e-06
2.62e-08
d
yr
n .237215248794041 1.4958e-09 deg/d
Q 3.067092857753299 1.2894e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1128  
   data-arc span      7849 days (21.49 yr)  
   first obs. used      1999-09-13  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50553  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:52:14  

Additional Information
 Earth MOID = 1.11308 au 
 Jupiter MOID = 2.37569 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 14.83   n/a MPCxxxxx  
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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