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213850 (2003 SZ55)
Classification: Main-belt Asteroid          SPK-ID: 2213850
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 .1605546990107938 4.4028e-08  
a 2.230637039638829 1.019e-08 au
q 1.872497781137289 9.8501e-08 au
i 5.167009288084247 6.7068e-06 deg
node 214.0453999559212 3.8366e-05 deg
peri 52.35379886345105 4.3902e-05 deg
M 135.0793287048399 2.1243e-05 deg
tp 2458743.908119918527
(2019-Sep-17.40811992)
7.2035e-05 TDB
period 1216.863293631699
3.33
8.3382e-06
2.283e-08
d
yr
n .2958425994801674 2.0272e-09 deg/d
Q 2.588776298140369 1.1826e-08 au
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      6906 days (18.91 yr)  
   first obs. used      2002-02-11  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55143  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:21  

Additional Information
 Earth MOID = .860492 au 
 Jupiter MOID = 2.48808 au 
 T_jup = 3.620 
[ 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 17.03   n/a MPCxxxxx  

213850 (2003 SZ55)          Discovered 2003-Sep-16 by LONEOS at Anderson Mesa
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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