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70055 (1999 JN6)
Classification: Mars-crossing Asteroid          SPK-ID: 2070055
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2997140685017624 5.2901e-08  
a 2.342131113487335 1.5521e-08 au
q 1.640161468499483 1.2242e-07 au
i 24.04451591343337 6.6431e-06 deg
node 219.2120149187543 9.3491e-06 deg
peri 148.2645023558507 1.2242e-05 deg
M 215.9905100427459 1.0333e-05 deg
tp 2459524.225648802431
(2021-Nov-05.72564880)
4.1413e-05 TDB
period 1309.227840643273
3.58
1.3015e-05
3.563e-08
d
yr
n .2749712378734006 2.7334e-09 deg/d
Q 3.044100758475187 2.0173e-08 au
  Orbit Determination Parameters
   # obs. used (total)      700  
   data-arc span      8677 days (23.76 yr)  
   first obs. used      1996-07-25  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50933  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:34:13  

Additional Information
 Earth MOID = .674246 au 
 Jupiter MOID = 2.51877 au 
 T_jup = 3.391 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457008.5 (2014-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2987222038152018 5.2637e-08  
q 1.643337391463728 1.2162e-07 au
tp 2456903.379383883329
(2014-Sep-02.87938388)
2.731e-05 TDB
node 219.3192208594099 9.3655e-06 deg
peri 147.9570468814339 1.2266e-05 deg
i 24.00286239545224 6.6386e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      700  
   data-arc span      8677 days (23.76 yr)  
   first obs. used      1996-07-25  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50933  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:34:13  

Additional Information
 Jupiter MOID = 2.51877 au 
 T_jup = 3.391 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.770682602536198E-15 -6.376700187164371E-15 8.015061891063162E-13 1.396873983226882E-14 2.150143036668372E-13 -5.860564797669438E-15
q -6.376700187164371E-15 1.479165838536279E-14 -1.811766965932103E-12 -3.212686981181573E-14 -4.848992486557405E-13 1.442739452186711E-14
tp 8.015061891063162E-13 -1.811766965932103E-12 7.458447554018838E-10 2.645876248791892E-12 2.238305243079387E-10 -3.557944686770508E-12
node 1.396873983226882E-14 -3.212686981181573E-14 2.645876248791892E-12 8.771306033571081E-11 -7.866566566910281E-11 1.076018683325392E-12
peri 2.150143036668372E-13 -4.848992486557405E-13 2.238305243079387E-10 -7.866566566910281E-11 1.504620460367499E-10 -2.067501830613196E-12
i -5.860564797669438E-15 1.442739452186711E-14 -3.557944686770508E-12 1.076018683325392E-12 -2.067501830613196E-12 4.407050987424807E-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 14.8   n/a MPO417311  
diameter diameter 2.475 km 0.338 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.310   0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

70055 (1999 JN6)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JN6 = 1996 OR2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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