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66294 (1999 JS27)
Classification: Mars-crossing Asteroid          SPK-ID: 2066294
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3373680321836471 3.2257e-08  
a 2.433455299049232 8.5887e-09 au
q 1.612485273402124 8.0984e-08 au
i 1.150280738220855 3.5129e-06 deg
node 131.0595791265532 0.00020483 deg
peri 161.8403235959204 0.00020493 deg
M 211.2735806971575 9.4071e-06 deg
tp 2459773.321232828607
(2022-Jul-12.82123283)
3.8423e-05 TDB
period 1386.543458687015
3.80
7.3405e-06
2.01e-08
d
yr
n .2596384539875162 1.3746e-09 deg/d
Q 3.25442532469634 1.1486e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1119  
   data-arc span      9932 days (27.19 yr)  
   first obs. used      1994-01-07  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52821  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:01:23  

Additional Information
 Earth MOID = .594434 au 
 Jupiter MOID = 1.96342 au 
 T_jup = 3.426 
[ 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 15.42   n/a MPCxxxxx  

66294 (1999 JS27)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JS27 = 1994 AV6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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