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344123 (1999 VC197)
Classification: Main-belt Asteroid          SPK-ID: 2344123
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2508959250937384 6.4168e-08  
a 2.63199380803831 2.184e-08 au
q 1.971637286729547 1.7682e-07 au
i 12.98928319616586 5.6354e-06 deg
node 51.6956597398635 2.3471e-05 deg
peri 312.1896674313526 2.4934e-05 deg
M 311.5055695794634 8.7474e-06 deg
tp 2459210.594693725870
(2020-Dec-27.09469373)
3.9195e-05 TDB
period 1559.644872316791
4.27
1.9413e-05
5.315e-08
d
yr
n .2308217764119816 2.8731e-09 deg/d
Q 3.292350329347073 2.732e-08 au
  Orbit Determination Parameters
   # obs. used (total)      299  
   data-arc span      7669 days (21.00 yr)  
   first obs. used      1999-10-08  
   last obs. used      2020-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58781  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:03:37  

Additional Information
 Earth MOID = .996543 au 
 Jupiter MOID = 2.24105 au 
 T_jup = 3.319 
[ 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 16.2   n/a MPO437458  

344123 (1999 VC197)          Discovered 1999-Oct-08 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ 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
1955-Nov-17 09:45 < 00:01 Hygie 0.0353454171762172 0.0353288340046897 0.0353620004148123 6.52925701349451 6.5292568460752 2435428.906185863 0.995945254921335 829.938212902462 95.4130554308362 5.35626368896666 8178.46291384183 T 11 CATAB v2.0f-lin.ifort 2020-Nov-11 17:03:38 2020-Nov-11 17:03
2063-Aug-17 23:41 00:02 Hebe 0.0403588675540407 0.0403391505712479 0.0403785905820496 7.90295283792466 7.90295281843388 2474784.486747298 1.71771675110169 1255.61304784352 73.2967599219819 38.5375497023032 51448.1228700583 T 11 CATAB v2.0f-lin.ifort 2020-Nov-11 17:03:38 2020-Nov-11 17:03
2156-May-02 09:26 00:07 Iris 0.0384353614290326 0.0383938543845093 0.0384768695844143 5.66815223511627 5.66815220872863 2508644.893399498 7.39206032644616 2094.75663986263 101.402965784105 8.96313430505578 9237.55787486762 T 11 CATAB v2.0f-lin.ifort 2020-Nov-11 17:03:38 2020-Nov-11 17:03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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