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146687 (2001 VC39)
Classification: Main-belt Asteroid          SPK-ID: 2146687
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1124169198480195 4.3436e-08  
a 2.771499872945032 1.703e-08 au
q 2.459936393869374 1.2322e-07 au
i 4.007003209154313 3.9593e-06 deg
node 54.09472707483995 7.1285e-05 deg
peri 317.0034402734767 7.455e-05 deg
M 47.86372147251237 1.9503e-05 deg
tp 2458776.434659367975
(2019-Oct-19.93465937)
9.1439e-05 TDB
period 1685.274779017195
4.61
1.5533e-05
4.253e-08
d
yr
n .2136150166621149 1.9689e-09 deg/d
Q 3.08306335202069 1.8945e-08 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      6672 days (18.27 yr)  
   first obs. used      2001-10-21  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5757  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:51  

Additional Information
 Earth MOID = 1.46186 au 
 Jupiter MOID = 2.38206 au 
 T_jup = 3.324 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456986.5 (2014-Nov-25.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1139584936379172 4.3903e-08  
q 2.455406337296462 1.2468e-07 au
tp 2457083.443715400782
(2015-Mar-01.94371540)
9.0956e-05 TDB
node 54.13697158303287 7.1379e-05 deg
peri 315.4870451439905 7.448e-05 deg
i 4.007008335910274 3.958e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      6672 days (18.27 yr)  
   first obs. used      2001-10-21  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5757  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:51  

Additional Information
 Jupiter MOID = 2.38206 au 
 T_jup = 3.324 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.927500501305823E-15 -5.434881005112112E-15 -6.967777828085756E-13 2.503771113797646E-15 -1.309772868108024E-13 -1.996914822104174E-15
q -5.434881005112112E-15 1.55461981406433E-14 1.640572481813328E-12 -5.816408287572444E-15 2.879283984004222E-13 5.721418208506676E-15
tp -6.967777828085756E-13 1.640572481813328E-12 8.273059173804808E-9 -2.225217259099892E-11 1.966495583346428E-9 3.862308061634056E-12
node 2.503771113797646E-15 -5.816408287572444E-15 -2.225217259099892E-11 5.094986823925718E-9 -5.087513478230584E-9 -6.203218505472444E-11
peri -1.309772868108024E-13 2.879283984004222E-13 1.966495583346428E-9 -5.087513478230584E-9 5.547211496010952E-9 6.274507334645391E-11
i -1.996914822104174E-15 5.721418208506676E-15 3.862308061634056E-12 -6.203218505472444E-11 6.274507334645391E-11 1.566577374189278E-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 15.8   n/a MPO459680  

146687 (2001 VC39)          Discovered 2001-Nov-09 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ 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
1916-Nov-21 18:39 00:09 Iris 0.0473860740225303 0.047380810881985 0.0473913477712334 2.95050300557316 2.9505029644557 2421189.276824829 9.4594796311595 1157.19706684829 35.1059717014139 77.0053781179733 196563.921403055 T 16 CATAB v2.0f-lin.ifort 2020-Feb-24 08:38:58 2020-Feb-24 08:38
2050-Nov-08 22:42 00:03 Hygie 0.0379660398407875 0.0379647714570438 0.0379673085115384 3.55476548743721 3.5547652011538 2470119.446105616 2.56037496136533 602.42688111496 60.6990848062951 -88.3577642566378 93319.5623028497 T 16 CATAB v2.0f-lin.ifort 2020-Feb-24 08:38:58 2020-Feb-24 08:38
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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