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(2018 NC4)
Classification: Outer Main-belt Asteroid          SPK-ID: 3825653
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5986646315888694 7.1591e-06  
a 3.329819810649047 5.9609e-05 au
q 1.336374460449516 1.3407e-06 au
i 10.24648804951708 4.381e-05 deg
node 17.94293315538458 0.00024689 deg
peri 203.2983943182253 0.00026914 deg
M 167.0773318586187 0.0044779 deg
tp 2458170.482611350121
(2018-Feb-20.98261135)
0.00046533 TDB
period 2219.369053772858
6.08
0.059595
0.0001632
d
yr
n .162208263374679 4.3557e-06 deg/d
Q 5.323265160848577 9.5295e-05 au
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      273 days  
   first obs. used      2017-11-17  
   last obs. used      2018-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .49849  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:33:03  

Additional Information
 Earth MOID = .336734 au 
 Jupiter MOID = .175654 au 
 T_jup = 2.824 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458270.5 (2018-Jun-01.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5994340458353821 7.1559e-06  
q 1.333306009400662 1.3349e-06 au
tp 2458171.010375970425
(2018-Feb-21.51037597)
0.00046325 TDB
node 17.94339189412599 0.00024683 deg
peri 203.2606664731518 0.00026868 deg
i 10.2552580908765 4.3925e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      273 days  
   first obs. used      2017-11-17  
   last obs. used      2018-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .49849  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:33:03  

Additional Information
 Jupiter MOID = .175654 au 
 T_jup = 2.824 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.120691266023224E-11 1.765522273106335E-13 -5.760608636839182E-10 -2.464864055201599E-10 6.18327405927758E-10 2.605628825654215E-10
q 1.765522273106335E-13 1.781849468106306E-12 5.804134539461036E-10 1.193234950321633E-10 1.658256330351837E-10 -2.175826500268018E-11
tp -5.760608636839182E-10 5.804134539461036E-10 2.146018222966635E-7 4.566322386451947E-8 4.865529972051428E-8 -1.111513888732469E-8
node -2.464864055201599E-10 1.193234950321633E-10 4.566322386451947E-8 6.092524921416966E-8 -4.163765668664175E-8 -6.228536381527416E-9
peri 6.18327405927758E-10 1.658256330351837E-10 4.865529972051428E-8 -4.163765668664175E-8 7.21908800700102E-8 4.212774300087466E-9
i 2.605628825654215E-10 -2.175826500268018E-11 -1.111513888732469E-8 -6.228536381527416E-9 4.212774300087466E-9 1.929393477931608E-9

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.2   n/a MPO545077  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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