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JPL Small-Body Database Browser
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185517 (2007 VQ28)
Classification: Main-belt Asteroid          SPK-ID: 2185517
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08944222191524177 8.5503e-08  
a 3.104996428344243 3.5251e-08 au
q 2.827278648754244 2.6052e-07 au
i .5251666006486326 6.4408e-06 deg
node 259.946462018745 0.0010806 deg
peri 259.3996255980186 0.0010815 deg
M 8.374857157746982 4.6784e-05 deg
tp 2458954.009417044202
(2020-Apr-14.50941704)
0.00025934 TDB
period 1998.435262696456
5.47
3.4032e-05
9.317e-08
d
yr
n .1801409366217137 3.0677e-09 deg/d
Q 3.382714207934241 3.8404e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      9394 days (25.72 yr)  
   first obs. used      1993-03-25  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57003  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:54:55  

Additional Information
 Earth MOID = 1.83611 au 
 Jupiter MOID = 1.59974 au 
 T_jup = 3.215 
[ 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 16.2   n/a MPO418001  
diameter diameter 4.157 km 1.399 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.026   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

185517 (2007 VQ28)          Discovered 2007-Nov-02 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2007 VQ28 = 2004 GQ44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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