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120960 (1998 VC3)
Classification: Main-belt Asteroid          SPK-ID: 2120960
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2016962023361391 3.8503e-08  
a 2.366142070864828 8.7877e-09 au
q 1.888900200983624 9.0406e-08 au
i .7914659205699037 3.8604e-06 deg
node 312.550969388744 0.00032592 deg
peri 44.67589157777584 0.00032608 deg
M 60.39974237641029 1.0671e-05 deg
tp 2458977.455130186228
(2020-May-07.95513019)
3.8911e-05 TDB
period 1329.412179153903
3.64
7.406e-06
2.028e-08
d
yr
n .2707963757554261 1.5086e-09 deg/d
Q 2.843383940746031 1.056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      567  
   data-arc span      8119 days (22.23 yr)  
   first obs. used      1998-11-10  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58792  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:08:56  

Additional Information
 Earth MOID = .883214 au 
 Jupiter MOID = 2.60512 au 
 T_jup = 3.520 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457565.5 (2016-Jun-26.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2029125204543392 3.8507e-08  
q 1.885674236155921 9.0514e-08 au
tp 2457648.770966386833
(2016-Sep-17.27096639)
3.6421e-05 TDB
node 312.6851225704268 0.00032627 deg
peri 44.6858930067979 0.00032643 deg
i .7911687730597058 3.8589e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      567  
   data-arc span      8119 days (22.23 yr)  
   first obs. used      1998-11-10  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58792  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:08:56  

Additional Information
 Jupiter MOID = 2.60512 au 
 T_jup = 3.520 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.482752711058096E-15 -3.475131109907865E-15 2.477214310851999E-13 2.106373994682751E-14 1.47368523642679E-14 -2.793591322416239E-16
q -3.475131109907865E-15 8.192872834160798E-15 -5.36351114455985E-13 -5.091525556801429E-14 -2.197510295482678E-14 6.790070050672184E-16
tp 2.477214310851999E-13 -5.36351114455985E-13 1.326496417286891E-9 -6.533836234616282E-12 3.902646911763351E-10 -6.602192106677692E-14
node 2.106373994682751E-14 -5.091525556801429E-14 -6.533836234616282E-12 1.064519759289642E-7 -1.064440280468849E-7 -4.099233223409964E-11
peri 1.47368523642679E-14 -2.197510295482678E-14 3.902646911763351E-10 -1.064440280468849E-7 1.065572530375657E-7 4.096175622351234E-11
i -2.793591322416239E-16 6.790070050672184E-16 -6.602192106677692E-14 -4.099233223409964E-11 4.096175622351234E-11 1.489123347362411E-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 16.6   n/a MPO439780  
rotation period rot_per 6.36 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

120960 (1998 VC3)          Discovered 1998-Nov-10 by ODAS at Caussols
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 VC3 = 2000 ER71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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