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70930 (1999 VN218)
Classification: Main-belt Asteroid          SPK-ID: 2070930
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599436195960789 3.3916e-08  
a 2.526195147192839 1.1947e-08 au
q 2.122146351544767 8.4594e-08 au
i 9.640922747120779 1.2901e-05 deg
node 190.6040421335094 2.2514e-05 deg
peri 71.59513771511141 7.4256e-05 deg
M 133.8897584198214 6.5588e-05 deg
tp 2458455.064213650767
(2018-Dec-02.56421365)
0.00026703 TDB
period 1466.556407324539
4.02
1.0403e-05
2.848e-08
d
yr
n .2454729993350568 1.7413e-09 deg/d
Q 2.930243942840911 1.3857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      678  
   data-arc span      7930 days (21.71 yr)  
   first obs. used      1998-04-20  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59382  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 11:23:47  

Additional Information
 Earth MOID = 1.1309 au 
 Jupiter MOID = 2.17616 au 
 T_jup = 3.416 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456826.5 (2014-Jun-18.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1596058831461385 3.3278e-08  
q 2.122885558730921 8.2575e-08 au
tp 2456989.642513184144
(2014-Nov-28.14251318)
0.00026879 TDB
node 190.6330856024846 2.2498e-05 deg
peri 71.87075611653282 7.4576e-05 deg
i 9.643490667145107 1.2905e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      678  
   data-arc span      7930 days (21.71 yr)  
   first obs. used      1998-04-20  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59382  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 11:23:47  

Additional Information
 Jupiter MOID = 2.17616 au 
 T_jup = 3.416 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.107395967505701E-15 -2.728064029238176E-15 -5.578595516552107E-12 1.110923953060413E-14 -1.490911586365957E-12 6.016861932909497E-15
q -2.728064029238176E-15 6.818570509624936E-15 1.391524136549223E-11 -3.218830891605506E-14 3.717620775485297E-12 -1.114371149235507E-14
tp -5.578595516552107E-12 1.391524136549223E-11 7.224732849293834E-8 -1.645509442074261E-10 1.912109854278034E-8 -6.395742617583083E-11
node 1.110923953060413E-14 -3.218830891605506E-14 -1.645509442074261E-10 5.0617641031002E-10 -5.422710084792531E-10 -1.776599287602754E-10
peri -1.490911586365957E-12 3.717620775485297E-12 1.912109854278034E-8 -5.422710084792531E-10 5.561536418600838E-9 1.589043388257032E-10
i 6.016861932909497E-15 -1.114371149235507E-14 -6.395742617583083E-11 -1.776599287602754E-10 1.589043388257032E-10 1.665500039952756E-10

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 16.1   n/a MPO247871  

70930 (1999 VN218)          Discovered 1999-Nov-01 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ 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
1944-Mar-05 23:52 00:03 Europ 0.0217650852711248 0.0217532107487636 0.0217769599448406 4.15641271593549 4.15641259844771 2431155.494600453 3.15234432045292 598.925948608033 109.910203792232 9.00505792573526 7089.19271926755 T 22 CATAB v2.0f-lin.ifort 2020-Jan-29 11:24:02 2020-Jan-29 11:24
2113-Feb-16 14:01 00:04 Europ 0.0356577606041186 0.0356428875151234 0.0356726356741112 4.11104834881108 4.11104827630657 2492864.084176210 4.27765296541329 853.738388651825 112.100694324367 -30.036811565424 24408.9992599308 T 22 CATAB v2.0f-lin.ifort 2020-Jan-29 11:24:02 2020-Jan-29 11:24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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