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243242 (2007 VG207)
Classification: Main-belt Asteroid          SPK-ID: 2243242
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818375988606568 3.5982e-08  
a 2.571482230027044 1.7282e-08 au
q 2.103890075806079 8.8028e-08 au
i 4.853709986356681 3.1946e-06 deg
node 124.5532868705774 7.1036e-05 deg
peri 199.4223229647714 7.2819e-05 deg
M 93.1533638242674 1.6532e-05 deg
tp 2458610.764685604509
(2019-May-07.26468560)
6.9248e-05 TDB
period 1506.169046638612
4.12
1.5183e-05
4.157e-08
d
yr
n .239016995338889 2.4095e-09 deg/d
Q 3.039074384248009 2.0424e-08 au
  Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      8125 days (22.25 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:09:09  

Additional Information
 Earth MOID = 1.0923 au 
 Jupiter MOID = 2.28648 au 
 T_jup = 3.401 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457488.5 (2016-Apr-10.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1833534617695414 3.6094e-08  
q 2.098919640407994 8.8536e-08 au
tp 2457105.550007488237
(2015-Mar-24.05000749)
7.092e-05 TDB
node 124.633390834041 7.1065e-05 deg
peri 199.4324051397085 7.2812e-05 deg
i 4.853918404064694 3.1948e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      8125 days (22.25 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:09:09  

Additional Information
 Jupiter MOID = 2.28648 au 
 T_jup = 3.401 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.30278829236661E-15 -3.160518698289257E-15 8.293097034916549E-13 3.123223825240261E-14 1.590844554663287E-13 -1.796137477729698E-15
q -3.160518698289257E-15 7.838648880818771E-15 -2.403413200591641E-12 -8.015209144780228E-14 -4.710299914724417E-13 4.80450977567874E-15
tp 8.293097034916549E-13 -2.403413200591641E-12 5.029650908428538E-9 8.731858890264185E-11 1.184761170440736E-9 -5.113003919587392E-12
node 3.123223825240261E-14 -8.015209144780228E-14 8.731858890264185E-11 5.050273688280051E-9 -5.010222586465691E-9 1.511126668083275E-13
peri 1.590844554663287E-13 -4.710299914724417E-13 1.184761170440736E-9 -5.010222586465691E-9 5.30159054958163E-9 -1.438108307099336E-12
i -1.796137477729698E-15 4.80450977567874E-15 -5.113003919587392E-12 1.511126668083275E-13 -1.438108307099336E-12 1.020695801815966E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO433594  

243242 (2007 VG207)          Discovered 2007-Nov-09 by PMO NEO Survey Program at Purple Mountain
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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