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JPL Small-Body Database Browser
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91901 (1999 VB15)
Classification: Main-belt Asteroid          SPK-ID: 2091901
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1541832762218901 4.1924e-08  
a 3.023267754148002 2.6066e-08 au
q 2.557130426917467 1.3274e-07 au
i 3.086523499493687 6.1886e-06 deg
node 336.4939449944079 9.1122e-05 deg
peri 300.7117818872205 9.3173e-05 deg
M 40.46629291118561 2.0998e-05 deg
tp 2458784.673750033778
(2019-Oct-28.17375003)
0.00011107 TDB
period 1920.053565528431
5.26
2.4832e-05
6.799e-08
d
yr
n .1874947691372985 2.4248e-09 deg/d
Q 3.489405081378536 3.0085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      8955 days (24.52 yr)  
   first obs. used      1994-10-27  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64987  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:04:54  

Additional Information
 Earth MOID = 1.5425 au 
 Jupiter MOID = 1.65613 au 
 T_jup = 3.225 
[ 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 15.6   n/a MPO436414  
diameter diameter 3.629 km 0.484 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.064   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

91901 (1999 VB15)          Discovered 1999-Nov-02 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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