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27992 (1997 VR7)
Classification: Main-belt Asteroid          SPK-ID: 2027992
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07760883829423613 3.3667e-08  
a 3.058245068177844 1.8486e-08 au
q 2.820898221217484 1.0155e-07 au
i 10.22260071813056 4.8659e-06 deg
node 45.81412092236285 2.1641e-05 deg
peri 262.1820779050067 3.9189e-05 deg
M 110.9806401944382 3.3554e-05 deg
tp 2457998.284987296326
(2017-Sep-01.78498730)
0.00018175 TDB
period 1953.470480918955
5.35
1.7712e-05
4.849e-08
d
yr
n .1842874020961137 1.6709e-09 deg/d
Q 3.295591915138204 1.992e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1854  
   data-arc span      8067 days (22.09 yr)  
   first obs. used      1997-11-02  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49081  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:43:07  

Additional Information
 Earth MOID = 1.82941 au 
 Jupiter MOID = 1.91029 au 
 T_jup = 3.206 
[ 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 12.7   n/a MPO337494  
diameter diameter 9.843 km 0.314 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.166   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27992 (1997 VR7)          Discovered 1997-Nov-02 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 VR7 = 1998 VU32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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