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JPL Small-Body Database Browser
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66269 (1999 JN3)
Classification: Mars-crossing Asteroid          SPK-ID: 2066269
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2852213688434002 4.6204e-08  
a 2.304192757153512 1.0891e-08 au
q 1.646987744879139 1.0654e-07 au
i 20.60025057093881 6.2727e-06 deg
node 222.5464522565746 1.6823e-05 deg
peri 112.9351852095315 2.0111e-05 deg
M 267.6320234960527 1.1734e-05 deg
tp 2459328.289899052605
(2021-Apr-23.78989905)
4.2436e-05 TDB
period 1277.546267930804
3.50
9.0577e-06
2.48e-08
d
yr
n .2817901856369392 1.9979e-09 deg/d
Q 2.961397769427885 1.3997e-08 au
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      23673 days (64.81 yr)  
   first obs. used      1954-06-02  
   last obs. used      2019-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53036  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:38:06  

Additional Information
 Earth MOID = .745677 au 
 Jupiter MOID = 2.79401 au 
 T_jup = 3.452 
[ show covariance matrix ]

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 14.4   n/a MPO366011  
diameter diameter 3.700 km 0.762 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.283   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

66269 (1999 JN3)          Discovered 1999-May-06 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JN3 = 2000 US29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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