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66915 (1999 VT170)
Classification: Main-belt Asteroid          SPK-ID: 2066915
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2013099020330714 3.0716e-08  
a 2.579480854360436 1.0759e-08 au
q 2.060205816272953 7.6302e-08 au
i 8.434472482308481 4.3981e-06 deg
node 51.93945757183662 2.4729e-05 deg
peri 236.4540529405364 2.7834e-05 deg
M 154.8573036620315 1.2548e-05 deg
tp 2458549.582298186907
(2019-Mar-07.08229819)
5.2188e-05 TDB
period 1513.201942119101
4.14
9.4673e-06
2.592e-08
d
yr
n .2379061181324238 1.4884e-09 deg/d
Q 3.098755892447919 1.2925e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2049  
   data-arc span      24114 days (66.02 yr)  
   first obs. used      1955-02-13  
   last obs. used      2021-02-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45252  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:25:50  

Additional Information
 Earth MOID = 1.05624 au 
 Jupiter MOID = 2.10668 au 
 T_jup = 3.382 
[ 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 13.92   n/a E2021B10  
diameter diameter 4.500 km 0.228 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.289   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66915 (1999 VT170)          Discovered 1999-Nov-14 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 VT170 = 2001 DS50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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