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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2141399975549843 5.097e-08  
a 2.599659259471327 1.0116e-08 au
q 2.042968232004345 1.2935e-07 au
i .8655316889389163 4.3316e-06 deg
node 233.6061879528129 0.00028293 deg
peri 135.5732273924449 0.00028308 deg
M 169.7300816163892 1.2249e-05 deg
tp 2458278.679206808156
(2018-Jun-09.17920681)		 4.9466e-05 TDB
period 1530.992521033303
4.19		 8.9367e-06
2.447e-08		 d
yr
n .2351415797622757 1.3726e-09 deg/d
Q 3.156350286938309 1.2283e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1268  
   data-arc span      12946 days (35.44 yr)  
   first obs. used      1984-08-24  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52561  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:14:09  

Additional Information
 Earth MOID = 1.04246 au 
 Jupiter MOID = 2.31003 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 14.6   n/a MPO468060  
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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