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102812 (1999 VO176)
Classification: Main-belt Asteroid          SPK-ID: 2102812
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1175555028866893 5.1479e-08  
a 2.60622627404474 1.3868e-08 au
q 2.299850033762908 1.3876e-07 au
i .6181948897320726 4.0191e-06 deg
node 304.2060230443886 0.00049717 deg
peri 137.9956782543533 0.00049763 deg
M 331.8325555964853 1.9869e-05 deg
tp 2459320.743483641090
(2021-Apr-16.24348364)
8.4773e-05 TDB
period 1536.797356929935
4.21
1.2266e-05
3.358e-08
d
yr
n .2342533961140935 1.8697e-09 deg/d
Q 2.912602514326572 1.5498e-08 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      7771 days (21.28 yr)  
   first obs. used      1999-10-02  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57908  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:43:44  

Additional Information
 Earth MOID = 1.31543 au 
 Jupiter MOID = 2.28484 au 
 T_jup = 3.402 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457405.5 (2016-Jan-18.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1168577551872151 5.1154e-08  
q 2.302713726997859 1.377e-07 au
tp 2457777.116112708191
(2017-Jan-23.61611271)
8.7119e-05 TDB
node 304.6108399912256 0.00049942 deg
peri 136.3216800886874 0.00049988 deg
i .6162453103137102 4.0116e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      7771 days (21.28 yr)  
   first obs. used      1999-10-02  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57908  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:43:44  

Additional Information
 Jupiter MOID = 2.28484 au 
 T_jup = 3.402 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.616735516392517E-15 -7.019068135257178E-15 -5.720069486940931E-13 -1.723718549041131E-14 1.968921913920218E-15 -5.573759966327119E-16
q -7.019068135257178E-15 1.896073137793812E-14 1.31526807358519E-12 5.207831866153974E-14 -7.299703521300729E-14 1.533480885809383E-15
tp -5.720069486940931E-13 1.31526807358519E-12 7.58975102105722E-9 3.286678701970218E-12 1.889070580384104E-9 6.807294706706738E-13
node -1.723718549041131E-14 5.207831866153974E-14 3.286678701970218E-12 2.494215331605921E-7 -2.494073512971176E-7 -9.030935604031142E-11
peri 1.968921913920218E-15 -7.299703521300729E-14 1.889070580384104E-9 -2.494073512971176E-7 2.498824163489946E-7 9.043683925574812E-11
i -5.573759966327119E-16 1.533480885809383E-15 6.807294706706738E-13 -9.030935604031142E-11 9.043683925574812E-11 1.609294349310156E-11

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 16.3   n/a MPO432554  

102812 (1999 VO176)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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