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18496 (1996 JN1)
Classification: Main-belt Asteroid          SPK-ID: 2018496
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1913937033436099 3.5301e-08  
a 2.410283187118488 8.1646e-09 au
q 1.948970161829042 8.4093e-08 au
i 1.659048732136716 2.9019e-06 deg
node 233.1532899978018 0.00014081 deg
peri 71.20606872437327 0.0001411 deg
M 103.4452349245188 7.9032e-06 deg
tp 2458607.756936532730
(2019-May-04.25693653)
2.9855e-05 TDB
period 1366.786038538979
3.74
6.9448e-06
1.901e-08
d
yr
n .263391628132828 1.3383e-09 deg/d
Q 2.871596212407935 9.7272e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1346  
   data-arc span      9103 days (24.92 yr)  
   first obs. used      1995-02-03  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49721  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 00:47:21  

Additional Information
 Earth MOID = .934562 au 
 Jupiter MOID = 2.3677 au 
 T_jup = 3.494 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456707.5 (2014-Feb-19.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1914142968836705 3.5202e-08  
q 1.948826214593419 8.3838e-08 au
tp 2457242.285085561437
(2015-Aug-07.78508556)
3.0472e-05 TDB
node 233.1841883986458 0.0001409 deg
peri 71.40647068258266 0.00014119 deg
i 1.658051202625134 2.902e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1346  
   data-arc span      9103 days (24.92 yr)  
   first obs. used      1995-02-03  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49721  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 00:47:21  

Additional Information
 Jupiter MOID = 2.3677 au 
 T_jup = 3.494 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.23915408127639E-15 -2.942211330142018E-15 1.699274781002033E-13 2.061169746303122E-14 1.394462252397758E-14 -9.24460704550772E-16
q -2.942211330142018E-15 7.028882891805012E-15 -4.528374498448319E-13 -5.029951391421965E-14 -5.031143808547585E-14 2.224218367509877E-15
tp 1.699274781002033E-13 -4.528374498448319E-13 9.285193093369252E-10 -1.208299621302151E-12 2.898833579122324E-10 -2.341028127424109E-13
node 2.061169746303122E-14 -5.029951391421965E-14 -1.208299621302151E-12 1.98525619167525E-8 -1.984508714308245E-8 -1.970689049379156E-11
peri 1.394462252397758E-14 -5.031143808547585E-14 2.898833579122324E-10 -1.984508714308245E-8 1.993381793147136E-8 1.964360176828243E-11
i -9.24460704550772E-16 2.224218367509877E-15 -2.341028127424109E-13 -1.970689049379156E-11 1.964360176828243E-11 8.421370645218466E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO502309  

18496 (1996 JN1)          Discovered 1996-May-09 by McNaught, R. H. at Siding Spring
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 JN1 = 1999 CB76 = 2000 RV62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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