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180737 (2004 JH55)
Classification: Main-belt Asteroid          SPK-ID: 2180737
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2027678633465137 4.7098e-08  
a 2.628501706859919 1.5191e-08 au
q 2.095526031957269 1.2561e-07 au
i 5.052659437671849 7.0076e-06 deg
node 6.795863839353121 5.6491e-05 deg
peri 129.0007001687869 5.9405e-05 deg
M 18.52469181314336 1.8606e-05 deg
tp 2459120.404279447822
(2020-Sep-27.90427945)
8.01e-05 TDB
period 1556.541921972809
4.26
1.3493e-05
3.694e-08
d
yr
n .2312819172539375 2.0049e-09 deg/d
Q 3.16147738176257 1.8271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      6726 days (18.41 yr)  
   first obs. used      2002-10-15  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48463  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:43  

Additional Information
 Earth MOID = 1.11342 au 
 Jupiter MOID = 1.88243 au 
 T_jup = 3.366 
[ 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 16.6   n/a MPO454243  

180737 (2004 JH55)          Discovered 2004-May-10 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2004 JH55 = 2006 SU252 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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