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441225 (2007 VA87)
Classification: Main-belt Asteroid          SPK-ID: 2441225
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1192414972808775 1.1256e-07  
a 2.618581108656593 4.0449e-08 au
q 2.306337576508961 3.179e-07 au
i 11.1044490524463 6.7742e-06 deg
node 248.7183199590889 4.2709e-05 deg
peri 144.715371327223 6.0009e-05 deg
M 356.0777904555385 4.8089e-05 deg
tp 2459017.362647591453
(2020-Jun-16.86264759)
0.000207 TDB
period 1547.738096118597
4.24
3.5861e-05
9.818e-08
d
yr
n .2325974923682531 5.3893e-09 deg/d
Q 2.930824640804226 4.5272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      4313 days (11.81 yr)  
   first obs. used      2007-11-02  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53846  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:41:53  

Additional Information
 Earth MOID = 1.32343 au 
 Jupiter MOID = 2.47875 au 
 T_jup = 3.369 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457427.5 (2016-Feb-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206262929845162 1.1322e-07  
q 2.303038353995936 3.2053e-07 au
tp 2457464.078517474680
(2016-Mar-16.57851747)
0.00018039 TDB
node 248.7655749426204 4.2774e-05 deg
peri 143.639715279344 5.9369e-05 deg
i 11.0944925494421 6.7661e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      4313 days (11.81 yr)  
   first obs. used      2007-11-02  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53846  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:41:53  

Additional Information
 Jupiter MOID = 2.47875 au 
 T_jup = 3.369 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.281892273579914E-14 -3.61494117698955E-14 -8.022012727370071E-12 -4.052216733524844E-14 -9.461141499142304E-13 -5.854595137880693E-14
q -3.61494117698955E-14 1.027425159275699E-13 2.462765531800442E-11 1.132131498839738E-13 3.142756827334422E-12 1.710558030429485E-13
tp -8.022012727370071E-12 2.462765531800442E-11 3.25387844269128E-8 2.70352625605625E-11 7.359615320842128E-9 1.017584674811659E-10
node -4.052216733524844E-14 1.132131498839738E-13 2.70352625605625E-11 1.829573153065949E-9 -1.792639786541761E-9 6.504543396401388E-11
peri -9.461141499142304E-13 3.142756827334422E-12 7.359615320842128E-9 -1.792639786541761E-9 3.524645229109561E-9 -4.312257430787584E-11
i -5.854595137880693E-14 1.710558030429485E-13 1.017584674811659E-10 6.504543396401388E-11 -4.312257430787584E-11 4.577952295547365E-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 16.9   n/a MPO495185  

441225 (2007 VA87)          Discovered 2007-Nov-02 by LINEAR at Socorro
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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