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385684 (2005 SF252)
Classification: Main-belt Asteroid          SPK-ID: 2385684
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726410236767351 7.9035e-08  
a 2.359476533648381 1.4145e-08 au
q 1.95213408953809 1.8072e-07 au
i 1.915828929795023 7.4765e-06 deg
node 197.039543100621 0.00014008 deg
peri 187.5287238462111 0.00014185 deg
M 110.991959123528 1.737e-05 deg
tp 2458988.358330239929
(2020-May-18.85833024)
6.3429e-05 TDB
period 1323.798609141581
3.62
1.1904e-05
3.259e-08
d
yr
n .2719446881980352 2.4454e-09 deg/d
Q 2.766818977758672 1.6587e-08 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      8072 days (22.10 yr)  
   first obs. used      1998-12-13  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53054  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:15  

Additional Information
 Earth MOID = .955134 au 
 Jupiter MOID = 2.6864 au 
 T_jup = 3.531 
[ 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 18.05   n/a MPCxxxxx  
rotation period rot_per 1.33 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

385684 (2005 SF252)          Discovered 2005-Sep-24 by NEAT at Palomar
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Alternate Designations
 2005 SF252 = 1998 XO25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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