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249666 (1999 VM75)
Classification: Main-belt Asteroid          SPK-ID: 2249666
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08749479170712167 1.5891e-07  
a 3.185913411115249 4.3458e-08 au
q 2.907162580812794 4.9253e-07 au
i 15.41572658929796 1.7982e-05 deg
node 214.9713211467571 2.1374e-05 deg
peri 149.0596215877941 7.4943e-05 deg
M 250.904886287746 6.8851e-05 deg
tp 2459629.936868399014
(2022-Feb-19.43686840)
0.00040245 TDB
period 2077.061610855561
5.69
4.2499e-05
1.164e-07
d
yr
n .1733217725071297 3.5463e-09 deg/d
Q 3.464664241417703 4.726e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      7510 days (20.56 yr)  
   first obs. used      1999-10-06  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:46:46  

Additional Information
 Earth MOID = 1.91824 au 
 Jupiter MOID = 2.02563 au 
 T_jup = 3.136 
[ 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 15.8   n/a MPO470664  
diameter diameter 4.644 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249666 (1999 VM75)          Discovered 1999-Nov-05 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

Alternate Designations
 1999 VM75 = 2008 HP28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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