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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2016258475881084 5.083e-08  
a 2.36577289270854 1.0358e-08 au
q 1.88877192801521 1.2221e-07 au
i .7914576529046286 4.563e-06 deg
node 312.5496103460324 0.00037739 deg
peri 44.6401059169679 0.00037752 deg
M 6.266199361720346 1.0789e-05 deg
tp 2458977.365521658181
(2020-May-07.86552166)
3.9766e-05 TDB
period 1329.101058279839
3.64
8.729e-06
2.39e-08
d
yr
n .2708597647690706 1.7789e-09 deg/d
Q 2.84277385740187 1.2447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      8018 days (21.95 yr)  
   first obs. used      1998-11-10  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61449  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:53:29  

Additional Information
 Earth MOID = .884751 au 
 Jupiter MOID = 2.60486 au 
 T_jup = 3.520 
[ 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 16.6   n/a MPO439780  
rotation period rot_per 6.36 h n/a LCDB (Rev. 2019-August); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1999-Jun-15 13:08 < 00:01 Eunom 0.0114936851923449 0.0114910445025484 0.0114963258894103 3.72446305313257 3.72446272521029 2451345.047274089 0.800672375081376 132.366331904538 34.0373398212242 6.69049046283467 14161.9218957977 T 14 CATAB v2.0f-lin.ifort 2020-Nov-12 17:53:31 2020-Nov-12 17:53

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