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66921 (1999 VY178)
Classification: Main-belt Asteroid          SPK-ID: 2066921
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .256437622455746 3.1169e-08  
a 3.058163358659901 1.2213e-08 au
q 2.273935217883877 9.6355e-08 au
i 10.65961403509413 3.5317e-06 deg
node 150.4506396967662 1.7831e-05 deg
peri 191.9056959127337 1.9406e-05 deg
M 22.37695154599609 5.9622e-06 deg
tp 2459079.080659861795
(2020-Aug-17.58065986)
3.2394e-05 TDB
period 1953.392192850997
5.35
1.1701e-05
3.204e-08
d
yr
n .1842947879680916 1.104e-09 deg/d
Q 3.842391499435925 1.5345e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1192  
   data-arc span      9126 days (24.99 yr)  
   first obs. used      1996-02-17  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48243  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:25:52  

Additional Information
 Earth MOID = 1.26493 au 
 Jupiter MOID = 1.5727 au 
 T_jup = 3.158 
[ 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 14.91   n/a MPCxxxxx  

66921 (1999 VY178)          Discovered 1999-Nov-06 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

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