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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07760883686704331 3.3742e-08  
a 3.058245070598525 1.8903e-08 au
q 2.820898227815004 1.0209e-07 au
i 10.22260139460008 5.1252e-06 deg
node 45.81411908063447 2.208e-05 deg
peri 262.1820731637098 4.0801e-05 deg
M 110.9806460616907 3.4852e-05 deg
tp 2457998.284954743810
(2017-Sep-01.78495474)
0.00018913 TDB
period 1953.470483238289
5.35
1.8112e-05
4.959e-08
d
yr
n .1842874018773112 1.7086e-09 deg/d
Q 3.295591913382045 2.037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1834  
   data-arc span      8061 days (22.07 yr)  
   first obs. used      1997-11-02  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4929  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:10:17  

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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