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442735 (2012 VC99)
Classification: Main-belt Asteroid          SPK-ID: 2442735
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1172922337069482 4.7839e-08  
a 2.378736380501219 2.1089e-08 au
q 2.09972907703225 1.2064e-07 au
i 5.888015823544549 5.4957e-06 deg
node 223.5179031470366 5.2736e-05 deg
peri 193.0472081081345 5.9743e-05 deg
M 280.1492354878121 2.6602e-05 deg
tp 2458897.731256059041
(2020-Feb-18.23125606)
9.9134e-05 TDB
period 1340.040422091668
3.67
1.782e-05
4.879e-08
d
yr
n .2686486124337028 3.5726e-09 deg/d
Q 2.657743683970188 2.3562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      4543 days (12.44 yr)  
   first obs. used      2007-05-25  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57192  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:11:41  

Additional Information
 Earth MOID = 1.11137 au 
 Jupiter MOID = 2.65786 au 
 T_jup = 3.523 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457753.5 (2016-Dec-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1168511572644947 4.7761e-08  
q 2.100992884965617 1.2036e-07 au
tp 2457554.193596487135
(2016-Jun-14.69359649)
0.00010049 TDB
node 223.5353777893135 5.2752e-05 deg
peri 192.2948716052442 5.9837e-05 deg
i 5.885696497911352 5.4974e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      4543 days (12.44 yr)  
   first obs. used      2007-05-25  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57192  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:11:41  

Additional Information
 Jupiter MOID = 2.65786 au 
 T_jup = 3.523 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.281105890106024E-15 -5.685425247354738E-15 -4.007840064467036E-13 -1.584201696604654E-14 -5.807456803712751E-14 -2.468342318160681E-15
q -5.685425247354738E-15 1.448605280243597E-14 7.267578340123501E-13 4.119899484592484E-14 8.307605386512773E-14 6.64660150288853E-15
tp -4.007840064467036E-13 7.267578340123501E-13 1.009800736836046E-8 7.514536565149559E-11 2.860994698248453E-9 -8.992835802615257E-13
node -1.584201696604654E-14 4.119899484592484E-14 7.514536565149559E-11 2.78274665217253E-9 -2.746217559295238E-9 -5.4662705253707E-11
peri -5.807456803712751E-14 8.307605386512773E-14 2.860994698248453E-9 -2.746217559295238E-9 3.580487884118339E-9 5.413918772001425E-11
i -2.468342318160681E-15 6.64660150288853E-15 -8.992835802615257E-13 -5.4662705253707E-11 5.413918772001425E-11 3.022156284951873E-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 17.4   n/a MPO456096  

442735 (2012 VC99)          Discovered 2008-Sep-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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