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392720 (2012 MD15)
Classification: Inner Main-belt Asteroid          SPK-ID: 2392720
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06187257061201346 4.754e-08  
a 1.893389950230287 1.3192e-08 au
q 1.776241046838587 8.9669e-08 au
i 24.34006294039504 9.0879e-06 deg
node 131.8421747830329 1.3178e-05 deg
peri 290.5864154729441 7.6713e-05 deg
M 252.2945456554134 7.3535e-05 deg
tp 2459285.204102105942
(2021-Mar-11.70410211)
0.00019366 TDB
period 951.6089726545069
2.61
9.9453e-06
2.723e-08
d
yr
n .3783066473152122 3.9537e-09 deg/d
Q 2.010538853621987 1.4008e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      7093 days (19.42 yr)  
   first obs. used      2001-02-25  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 23:20:33  

Additional Information
 Earth MOID = .848854 au 
 Jupiter MOID = 3.13548 au 
 T_jup = 3.845 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457752.5 (2016-Dec-30.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0620918639517566 4.7584e-08  
q 1.775722399412391 8.982e-08 au
tp 2457382.511956681470
(2015-Dec-26.01195668)
0.00019832 TDB
node 131.8669447940677 1.3182e-05 deg
peri 290.6784670100767 7.6375e-05 deg
i 24.3349791196949 9.0867e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      7093 days (19.42 yr)  
   first obs. used      2001-02-25  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 23:20:33  

Additional Information
 Jupiter MOID = 3.13548 au 
 T_jup = 3.845 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.264203058364636E-15 -4.233775437338429E-15 2.556200708708708E-13 1.994096908192102E-15 1.275030548279674E-13 -1.020932007205185E-14
q -4.233775437338429E-15 8.067646354574727E-15 -1.296181767430794E-12 -4.625091082387469E-15 -5.341296176072451E-13 2.146641461187526E-14
tp 2.556200708708708E-13 -1.296181767430794E-12 3.933162495749951E-8 -1.462412679387642E-11 1.493140396590969E-8 -6.646201711668277E-11
node 1.994096908192102E-15 -4.625091082387469E-15 -1.462412679387642E-11 1.73772587345178E-10 -1.619958465634376E-10 2.094637626174834E-11
peri 1.275030548279674E-13 -5.341296176072451E-13 1.493140396590969E-8 -1.619958465634376E-10 5.833115743594167E-9 -4.36180807967132E-11
i -1.020932007205185E-14 2.146641461187526E-14 -6.646201711668277E-11 2.094637626174834E-11 -4.36180807967132E-11 8.256723762306819E-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 17.6   n/a MPO300532  

392720 (2012 MD15)          Discovered 2007-Sep-06 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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