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385678 (2005 SQ204)
Classification: Main-belt Asteroid          SPK-ID: 2385678
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .19123630375764 4.6212e-08  
a 2.391871465585574 8.7881e-09 au
q 1.93445880744362 1.0842e-07 au
i 5.401030680238713 6.001e-06 deg
node 28.67999123299655 4.0937e-05 deg
peri 333.2252882142574 4.3346e-05 deg
M 46.16601193968486 1.3672e-05 deg
tp 2459027.229334919705
(2020-Jun-26.72933492)
5.0934e-05 TDB
period 1351.155033932781
3.70
7.4465e-06
2.039e-08
d
yr
n .2664387068537612 1.4684e-09 deg/d
Q 2.849284123727528 1.0469e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      6562 days (17.97 yr)  
   first obs. used      2003-01-29  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49055  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:14  

Additional Information
 Earth MOID = .932289 au 
 Jupiter MOID = 2.60841 au 
 T_jup = 3.500 
[ 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 17.47   n/a MPCxxxxx  

385678 (2005 SQ204)          Discovered 2005-Sep-30 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-02-19

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