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JPL Small-Body Database Browser
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390670 (2002 SN55)
Classification: Main-belt Asteroid          SPK-ID: 2390670
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2283259812464503 7.9243e-08  
a 2.808740298167812 3.1119e-08 au
q 2.167431913522199 2.2765e-07 au
i 10.10026948383215 9.0394e-06 deg
node 169.529960980988 4.8297e-05 deg
peri 206.7852641740596 5.1795e-05 deg
M 183.5447355090056 2.0682e-05 deg
tp 2459443.248375430136
(2021-Aug-16.74837543)
0.00010698 TDB
period 1719.355985382532
4.71
2.8574e-05
7.823e-08
d
yr
n .2093807233991192 3.4797e-09 deg/d
Q 3.450048682813425 3.8225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      6078 days (16.64 yr)  
   first obs. used      2002-09-15  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6237  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:54:37  

Additional Information
 Earth MOID = 1.17237 au 
 Jupiter MOID = 2.02168 au 
 T_jup = 3.261 
[ 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 16.4   n/a MPO437599  

390670 (2002 SN55)          Discovered 2002-Sep-30 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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