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66376 (1999 JH122)
Classification: Main-belt Asteroid          SPK-ID: 2066376
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560526327584572 3.3136e-08  
a 2.23199226610089 6.7698e-09 au
q 1.883683996679331 7.5786e-08 au
i 3.200909763084799 3.4742e-06 deg
node 54.46045245269531 6.4418e-05 deg
peri 269.4980150005409 6.5416e-05 deg
M 108.8093407789429 1.1449e-05 deg
tp 2458832.370065646777
(2019-Dec-14.87006565)
3.8364e-05 TDB
period 1217.972422389743
3.33
5.5413e-06
1.517e-08
d
yr
n .2955731947474278 1.3448e-09 deg/d
Q 2.580300535522449 7.8263e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1618  
   data-arc span      8884 days (24.32 yr)  
   first obs. used      1996-10-17  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49158  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:21:44  

Additional Information
 Earth MOID = .872898 au 
 Jupiter MOID = 2.72413 au 
 T_jup = 3.623 
[ 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 14.99   n/a MPCxxxxx  

66376 (1999 JH122)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JH122 = 1999 LL17 = 2000 YE80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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