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102660 (1999 VA56)
Classification: Main-belt Asteroid          SPK-ID: 2102660
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .148249283570228 3.9596e-08  
a 2.250219866895169 7.71e-09 au
q 1.916626383752466 8.8671e-08 au
i 5.210572621992386 4.4858e-06 deg
node 210.7920414602256 4.2928e-05 deg
peri 119.0813916075976 4.5106e-05 deg
M 146.7093424134244 1.3072e-05 deg
tp 2458698.051992155109
(2019-Aug-02.55199216)
4.4678e-05 TDB
period 1232.922729040939
3.38
6.3366e-06
1.735e-08
d
yr
n .2919891016041495 1.5007e-09 deg/d
Q 2.583813350037871 8.853e-09 au
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      7827 days (21.43 yr)  
   first obs. used      1999-10-01  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53017  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:43:03  

Additional Information
 Earth MOID = .910683 au 
 Jupiter MOID = 2.75725 au 
 T_jup = 3.608 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457235.5 (2015-Aug-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .148864393701873 3.96e-08  
q 1.914658758227575 8.8727e-08 au
tp 2457465.931858992957
(2016-Mar-18.43185899)
4.4863e-05 TDB
node 210.8180235642368 4.2907e-05 deg
peri 119.1919048593672 4.5068e-05 deg
i 5.212060076300437 4.4883e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      7827 days (21.43 yr)  
   first obs. used      1999-10-01  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53017  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:43:03  

Additional Information
 Jupiter MOID = 2.75725 au 
 T_jup = 3.608 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.568121717823743E-15 -3.504009561362349E-15 3.918268807485615E-13 -1.177747254361943E-14 1.123778493475791E-13 -1.739744240538818E-15
q -3.504009561362349E-15 7.872397362960877E-15 -9.229875567601199E-13 2.701972797901648E-14 -2.686946239040935E-13 3.951770817331082E-15
tp 3.918268807485615E-13 -9.229875567601199E-13 2.012684113047213E-9 -7.8716685522284E-12 6.305375445909681E-10 -1.424114324504617E-12
node -1.177747254361943E-14 2.701972797901648E-14 -7.8716685522284E-12 1.84099146961773E-9 -1.835161766681632E-9 -4.293416344819041E-11
peri 1.123778493475791E-13 -2.686946239040935E-13 6.305375445909681E-10 -1.835161766681632E-9 2.031146569816174E-9 4.236899441797141E-11
i -1.739744240538818E-15 3.951770817331082E-15 -1.424114324504617E-12 -4.293416344819041E-11 4.236899441797141E-11 2.014448436193623E-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 16.74   n/a E2021B55  

102660 (1999 VA56)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 VA56 = 2002 NM35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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