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212871 (2007 VG169)
Classification: Outer Main-belt Asteroid          SPK-ID: 2212871
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 .1556338063003646 5.2749e-08  
a 3.204703646351449 2.9822e-08 au
q 2.705943419805115 1.7125e-07 au
i 1.431171363244797 5.1496e-06 deg
node 241.5820147016094 0.00026803 deg
peri 241.0053824427998 0.0002689 deg
M 33.16975716663718 1.9158e-05 deg
tp 2458807.427673436040
(2019-Nov-19.92767344)
0.00011163 TDB
period 2095.464166766231
5.74
2.9249e-05
8.008e-08
d
yr
n .1717996450187742 2.398e-09 deg/d
Q 3.703463872897782 3.4463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      8510 days (23.30 yr)  
   first obs. used      1997-01-02  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58284  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:50:46  

Additional Information
 Earth MOID = 1.72206 au 
 Jupiter MOID = 1.38374 au 
 T_jup = 3.174 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457675.5 (2016-Oct-14.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1565805199395781 5.2753e-08  
q 2.701992296045198 1.7136e-07 au
tp 2456713.361276342023
(2014-Feb-24.86127634)
0.000116 TDB
node 241.6217491391504 0.00026811 deg
peri 241.2001079984192 0.00026897 deg
i 1.431089994560332 5.1497e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      8510 days (23.30 yr)  
   first obs. used      1997-01-02  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58284  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:50:46  

Additional Information
 Jupiter MOID = 1.38374 au 
 T_jup = 3.174 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.782898527314111E-15 -8.942844934491242E-15 1.113989153094841E-12 2.255328659571925E-14 1.036489957251593E-13 -8.533356695571653E-16
q -8.942844934491242E-15 2.936284566537203E-14 -4.447482844056384E-12 -6.557875832878677E-14 -4.424633722865429E-13 2.939115800812781E-15
tp 1.113989153094841E-12 -4.447482844056384E-12 1.345707028545376E-8 -4.317894427683743E-11 2.539626352372475E-9 -1.429050660249055E-12
node 2.255328659571925E-14 -6.557875832878677E-14 -4.317894427683743E-11 7.188533884715559E-8 -7.187120617986427E-8 -2.494108841183554E-10
peri 1.036489957251593E-13 -4.424633722865429E-13 2.539626352372475E-9 -7.187120617986427E-8 7.234590628181512E-8 2.491103219238554E-10
i -8.533356695571653E-16 2.939115800812781E-15 -1.429050660249055E-12 -2.494108841183554E-10 2.491103219238554E-10 2.651928469007224E-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 16.2   n/a MPO427253  

212871 (2007 VG169)          Discovered 2007-Nov-05 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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