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175869 (1999 VD123)
Classification: Main-belt Asteroid          SPK-ID: 2175869
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1230429709550042 3.8051e-08  
a 2.564013872000117 1.0969e-08 au
q 2.248529987619379 9.9251e-08 au
i 4.69623092757783 4.1415e-06 deg
node 214.0893554820944 5.4703e-05 deg
peri 172.7294329594825 5.8222e-05 deg
M 70.34938787749067 2.0562e-05 deg
tp 2458907.453320501674
(2020-Feb-27.95332050)
8.491e-05 TDB
period 1499.612261063506
4.11
9.6231e-06
2.635e-08
d
yr
n .2400620542704103 1.5405e-09 deg/d
Q 2.879497756380855 1.2319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      7750 days (21.22 yr)  
   first obs. used      1999-11-04  
   last obs. used      2021-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57056  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:33:57  

Additional Information
 Earth MOID = 1.25179 au 
 Jupiter MOID = 2.55783 au 
 T_jup = 3.418 
[ 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 16.1   n/a MPO449904  

175869 (1999 VD123)          Discovered 1999-Nov-05 by Spacewatch at Kitt Peak
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

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