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215961 (2005 NC122)
Classification: Main-belt Asteroid          SPK-ID: 2215961
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 .1228297058688356 5.9266e-08  
a 2.338834170297039 1.6638e-08 au
q 2.051555857083471 1.4219e-07 au
i 8.000569107080716 6.3891e-06 deg
node 75.01213501775008 4.4066e-05 deg
peri 218.4031593537782 5.1512e-05 deg
M 64.41615138815249 2.992e-05 deg
tp 2458766.729424855639
(2019-Oct-10.22942486)
0.00010799 TDB
period 1306.464376377638
3.58
1.3941e-05
3.817e-08
d
yr
n .2755528635217382 2.9403e-09 deg/d
Q 2.626112483510607 1.8681e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      9617 days (26.33 yr)  
   first obs. used      1993-01-22  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61954  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:51:31  

Additional Information
 Earth MOID = 1.04196 au 
 Jupiter MOID = 2.52789 au 
 T_jup = 3.543 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457238.5 (2015-Aug-04.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .122604760703561 5.9123e-08  
q 2.052231586976069 1.4183e-07 au
tp 2457461.235739210244
(2016-Mar-13.73573921)
0.00010627 TDB
node 75.02394477748309 4.4065e-05 deg
peri 218.7838231449583 5.1572e-05 deg
i 8.000687992718397 6.3887e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      9617 days (26.33 yr)  
   first obs. used      1993-01-22  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61954  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:51:31  

Additional Information
 Jupiter MOID = 2.52789 au 
 T_jup = 3.543 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.495540420954221E-15 -8.34251669716075E-15 -8.133968192429971E-13 -3.197027061653672E-14 -1.188533541395243E-13 -1.998118762206233E-15
q -8.34251669716075E-15 2.011562960125879E-14 2.048712701499761E-12 7.566984221709706E-14 2.985044233691423E-13 5.250057149601783E-15
tp -8.133968192429971E-13 2.048712701499761E-12 1.129408674514471E-8 3.318369740688942E-11 2.879574812517858E-9 3.375978682496376E-12
node -3.197027061653672E-14 7.566984221709706E-14 3.318369740688942E-11 1.941743753282449E-9 -1.913730852450165E-9 6.748600113909749E-12
peri -1.188533541395243E-13 2.985044233691423E-13 2.879574812517858E-9 -1.913730852450165E-9 2.659712705152192E-9 -5.68786478266995E-12
i -1.998118762206233E-15 5.250057149601783E-15 3.375978682496376E-12 6.748600113909749E-12 -5.68786478266995E-12 4.081510599938981E-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 16.6   n/a MPO437032  

215961 (2005 NC122)          Discovered 2005-Jul-10 by Siding Spring Survey at Siding Spring
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2005 NC122 = 2002 VN96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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