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213665 (2002 SS50)
Classification: Main-belt Asteroid          SPK-ID: 2213665
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2209580161556212 5.2599e-08  
a 2.791073523563055 1.8984e-08 au
q 2.174363454852083 1.5028e-07 au
i 7.763696555870753 5.2385e-06 deg
node 193.513119127175 3.3315e-05 deg
peri 212.5502970568297 3.4765e-05 deg
M 312.7835338728675 1.2326e-05 deg
tp 2459423.881046493785
(2021-Jul-28.38104649)
5.9665e-05 TDB
period 1703.159582532829
4.66
1.7376e-05
4.757e-08
d
yr
n .2113718548115328 2.1565e-09 deg/d
Q 3.407783592274027 2.3178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      6555 days (17.95 yr)  
   first obs. used      2002-09-05  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6016  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:43:36  

Additional Information
 Earth MOID = 1.18697 au 
 Jupiter MOID = 2.01901 au 
 T_jup = 3.280 
[ 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 16.1   n/a MPO437024  
rotation period rot_per 3.7 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]

213665 (2002 SS50)          Discovered 2002-Sep-30 by NEAT at Haleakala
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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