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187839 (1999 VD184)
Classification: Main-belt Asteroid          SPK-ID: 2187839
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1758212126049438 6.6728e-08  
a 3.120184254221018 2.9919e-08 au
q 2.571589675093027 2.1335e-07 au
i 9.986750143988459 6.1953e-06 deg
node 215.0176190955574 2.6502e-05 deg
peri 142.5463267679905 3.08e-05 deg
M 335.7891272646445 1.5393e-05 deg
tp 2459335.886927468295
(2021-May-01.38692747)
8.7199e-05 TDB
period 2013.11594263232
5.51
2.8955e-05
7.927e-08
d
yr
n .1788272559847047 2.5721e-09 deg/d
Q 3.66877883334901 3.518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      463  
   data-arc span      7609 days (20.83 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-08-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50214  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:46:52  

Additional Information
 Earth MOID = 1.57558 au 
 Jupiter MOID = 1.86339 au 
 T_jup = 3.169 
[ 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 15.0   n/a MPO475583  
diameter diameter 6.762 km 0.949 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.035   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

187839 (1999 VD184)          Discovered 1999-Nov-15 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ show close-approach data ]
Alternate Designations
 1999 VD184 = 2004 RB8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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