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JPL Small-Body Database Browser
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66375 (1999 JF121)
Classification: Main-belt Asteroid          SPK-ID: 2066375
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1616867794930107 4.4743e-08  
a 2.255284948353698 1.0531e-08 au
q 1.890635188215327 1.0516e-07 au
i 8.760522950833643 4.1241e-06 deg
node 96.89301494294091 2.8072e-05 deg
peri 233.2382506776318 3.1806e-05 deg
M 6.984073576046788 2.0337e-05 deg
tp 2458976.500241907147
(2020-May-07.00024191)
6.9776e-05 TDB
period 1237.087899969933
3.39
8.665e-06
2.372e-08
d
yr
n .291005998853234 2.0383e-09 deg/d
Q 2.619934708492068 1.2234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1174  
   data-arc span      7360 days (20.15 yr)  
   first obs. used      1999-05-10  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54798  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:55:58  

Additional Information
 Earth MOID = .893462 au 
 Jupiter MOID = 2.71657 au 
 T_jup = 3.591 
[ 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 15.2   n/a MPO474542  

66375 (1999 JF121)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JF121 = 1999 LU11 = 2000 WY59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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