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146963 (2002 JD12)
Classification: Main-belt Asteroid          SPK-ID: 2146963
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1269184489050974 4.4239e-08  
a 2.177465068808563 7.7807e-09 au
q 1.901104579730349 9.5787e-08 au
i 5.413887149616195 4.9592e-06 deg
node 70.70441468611938 3.7549e-05 deg
peri 184.5894711386004 4.0554e-05 deg
M 70.08496254881322 1.5362e-05 deg
tp 2458372.020327916229
(2018-Sep-10.52032792)
4.979e-05 TDB
period 1173.613838958243
3.21
6.2905e-06
1.722e-08
d
yr
n .3067448491571586 1.6441e-09 deg/d
Q 2.453825557886776 8.7682e-09 au
  Orbit Determination Parameters
   # obs. used (total)      907  
   data-arc span      7471 days (20.45 yr)  
   first obs. used      1999-06-15  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52852  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:39:00  

Additional Information
 Earth MOID = .886092 au 
 Jupiter MOID = 2.58046 au 
 T_jup = 3.667 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457278.5 (2015-Sep-13.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1266740926155479 4.4129e-08  
q 1.901893031522803 9.5516e-08 au
tp 2457198.792829881971
(2015-Jun-25.29282988)
4.9115e-05 TDB
node 70.71526066098467 3.7558e-05 deg
peri 184.791072211627 4.0601e-05 deg
i 5.413191412734925 4.9586e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      907  
   data-arc span      7471 days (20.45 yr)  
   first obs. used      1999-06-15  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52852  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:39:00  

Additional Information
 Jupiter MOID = 2.58046 au 
 T_jup = 3.667 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.947410139635284E-15 -4.204515629311451E-15 -1.118548047935131E-12 1.195706361281066E-14 -3.694821913887033E-13 -1.210715714055841E-15
q -4.204515629311451E-15 9.123220808620739E-15 2.466775600918718E-12 -2.621347912271789E-14 8.143071676429347E-13 2.702968652581313E-15
tp -1.118548047935131E-12 2.466775600918718E-12 2.412326259171361E-9 -1.26818742230318E-11 7.676836198256583E-10 1.469689123781123E-12
node 1.195706361281066E-14 -2.621347912271789E-14 -1.26818742230318E-11 1.410585851461324E-9 -1.407877676744782E-9 -8.601809857611829E-11
peri -3.694821913887033E-13 8.143071676429347E-13 7.676836198256583E-10 -1.407877676744782E-9 1.648407399501085E-9 8.609279560575788E-11
i -1.210715714055841E-15 2.702968652581313E-15 1.469689123781123E-12 -8.601809857611829E-11 8.609279560575788E-11 2.458752952223847E-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 15.9   n/a MPO502888  

146963 (2002 JD12)          Discovered 2002-May-03 by Yeung, W. K. Y. at Desert Eagle
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

Alternate Designations
 2002 JD12 = 1999 LC37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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