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91967 (1999 VZ91)
Classification: Main-belt Asteroid          SPK-ID: 2091967
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05591244031794478 3.8725e-08  
a 2.648369243655913 1.5508e-08 au
q 2.500292456380121 1.0112e-07 au
i 14.60683482732948 5.5232e-06 deg
node 18.43617190907733 1.6817e-05 deg
peri 104.6545089037596 5.3275e-05 deg
M 180.1357342924716 4.9914e-05 deg
tp 2459787.017913804505
(2022-Jul-26.51791380)
0.00021906 TDB
period 1574.222916685615
4.31
1.3827e-05
3.786e-08
d
yr
n .2286842582357699 2.0086e-09 deg/d
Q 2.796446030931705 1.6375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      7208 days (19.73 yr)  
   first obs. used      1999-09-14  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56474  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:40:27  

Additional Information
 Earth MOID = 1.55482 au 
 Jupiter MOID = 2.24647 au 
 T_jup = 3.343 
[ 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 14.7   n/a MPO436415  
diameter diameter 2.755 km 0.560 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.369   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91967 (1999 VZ91)          Discovered 1999-Nov-09 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 VZ91 = 2000 XL11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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