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JPL Small-Body Database Browser
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91938 (1999 VB60)
Classification: Main-belt Asteroid          SPK-ID: 2091938
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1386504712356135 4.2968e-08  
a 3.101602246796615 2.5584e-08 au
q 2.671563633692827 1.3969e-07 au
i 8.240116124750054 5.0883e-06 deg
node 221.5487677201776 3.2199e-05 deg
peri 190.8786780772473 3.7738e-05 deg
M 271.3757116034226 2.1718e-05 deg
tp 2459491.665485503356
(2021-Oct-04.16548550)
0.00012328 TDB
period 1995.159317838163
5.46
2.4686e-05
6.759e-08
d
yr
n .1804367184020546 2.2326e-09 deg/d
Q 3.531640859900403 2.9132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      7258 days (19.87 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48671  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:58:38  

Additional Information
 Earth MOID = 1.68288 au 
 Jupiter MOID = 1.8467 au 
 T_jup = 3.191 
[ 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 14.7   n/a MPO432457  

91938 (1999 VB60)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 VB60 = 2002 EQ54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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