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102777 (1999 VH145)
Classification: Main-belt Asteroid          SPK-ID: 2102777
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1864078707741604 4.9674e-08  
a 2.600830517110419 1.4863e-08 au
q 2.116015238171407 1.3214e-07 au
i 12.6368206893651 5.4148e-06 deg
node 16.99141867661018 1.3457e-05 deg
peri 328.8301494265003 1.8887e-05 deg
M 25.46830369588757 9.9701e-06 deg
tp 2459092.116287091126
(2020-Aug-30.61628709)
4.2796e-05 TDB
period 1532.027303942315
4.19
1.3133e-05
3.596e-08
d
yr
n .2349827572091071 2.0143e-09 deg/d
Q 3.08564579604943 1.7634e-08 au
  Orbit Determination Parameters
   # obs. used (total)      926  
   data-arc span      8302 days (22.73 yr)  
   first obs. used      1998-04-21  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47869  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:43:34  

Additional Information
 Earth MOID = 1.11906 au 
 Jupiter MOID = 2.37866 au 
 T_jup = 3.356 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458038.5 (2017-Oct-12.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1874552415899473 4.9735e-08  
q 2.112912358638127 1.3259e-07 au
tp 2457561.416752054024
(2016-Jun-21.91675205)
4.9392e-05 TDB
node 17.05885025425855 1.3449e-05 deg
peri 329.0711962685107 1.8814e-05 deg
i 12.64420338435748 5.4166e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      926  
   data-arc span      8302 days (22.73 yr)  
   first obs. used      1998-04-21  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47869  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:43:34  

Additional Information
 Jupiter MOID = 2.37866 au 
 T_jup = 3.356 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.473569871490042E-15 -6.567608220738594E-15 1.236954435753147E-12 -1.702947742519319E-14 3.526823809912498E-13 -1.093927030401642E-14
q -6.567608220738594E-15 1.757923824899093E-14 -3.596187569094833E-12 4.525457150787063E-14 -1.002928282972177E-12 2.971760075976927E-14
tp 1.236954435753147E-12 -3.596187569094833E-12 2.439556072681476E-9 -1.022205678249123E-11 6.507011328324871E-10 -7.36585608183738E-12
node -1.702947742519319E-14 4.525457150787063E-14 -1.022205678249123E-11 1.808701230868878E-10 -1.787700943638718E-10 -2.029241920136071E-11
peri 3.526823809912498E-13 -1.002928282972177E-12 6.507011328324871E-10 -1.787700943638718E-10 3.539792701225764E-10 1.792666197509634E-11
i -1.093927030401642E-14 2.971760075976927E-14 -7.36585608183738E-12 -2.029241920136071E-11 1.792666197509634E-11 2.93390428772604E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.40   n/a E2021B55  

102777 (1999 VH145)          Discovered 1999-Nov-08 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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