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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2997140682934623 5.2892e-08  
a 2.342131113103707 1.5251e-08 au
q 1.6401614687187 1.2238e-07 au
i 24.04451557359308 6.598e-06 deg
node 219.2120139169751 8.9899e-06 deg
peri 148.2645035086365 1.1811e-05 deg
M 215.9905100396711 1.0329e-05 deg
tp 2459524.225648684938
(2021-Nov-05.72564868)
4.141e-05 TDB
period 1309.227840321607
3.58
1.2787e-05
3.501e-08
d
yr
n .2749712379409586 2.6857e-09 deg/d
Q 3.044100757488715 1.9821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      8705 days (23.83 yr)  
   first obs. used      1996-07-25  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50404  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:02:19  

Additional Information
 Earth MOID = .674246 au 
 Jupiter MOID = 2.51877 au 
 T_jup = 3.391 
[ show covariance matrix ]

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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