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27987 (1997 VR3)
Classification: Main-belt Asteroid          SPK-ID: 2027987
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2138365599851784 5.0982e-08  
a 2.60046712852742 1.0212e-08 au
q 2.044392183408582 1.2942e-07 au
i .8655244505250442 4.6277e-06 deg
node 233.6116668983698 0.00028342 deg
peri 135.6283125885406 0.00028358 deg
M 75.64245852785204 1.2013e-05 deg
tp 2458278.661041219869
(2018-Jun-09.16104122)
5.0015e-05 TDB
period 1531.706232395739
4.19
9.0225e-06
2.47e-08
d
yr
n .2350320135715088 1.3845e-09 deg/d
Q 3.156542073646258 1.2396e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1247  
   data-arc span      12587 days (34.46 yr)  
   first obs. used      1984-08-24  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52396  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:06:34  

Additional Information
 Earth MOID = 1.04306 au 
 Jupiter MOID = 2.30647 au 
 T_jup = 3.382 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO416986  
diameter diameter 5.825 km 1.466 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.082   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

27987 (1997 VR3)          Discovered 1997-Nov-06 by Kobayashi, T. at Oizumi
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 VR3 = 1984 QZ1 = 1999 FG11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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