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181200 (2005 SO155)
Classification: Main-belt Asteroid          SPK-ID: 2181200
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04723175022555183 4.7032e-08  
a 2.990123820600445 2.9118e-08 au
q 2.848895039162373 1.4735e-07 au
i 16.64344282116058 5.0693e-06 deg
node 118.7320606113449 1.6561e-05 deg
peri 287.3525469316173 6.2718e-05 deg
M 292.1661836786935 6.377e-05 deg
tp 2459556.357346750689
(2021-Dec-07.85734675)
0.00033603 TDB
period 1888.566083668941
5.17
2.7587e-05
7.553e-08
d
yr
n .1906208117963357 2.7845e-09 deg/d
Q 3.131352602038519 3.0494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      588  
   data-arc span      8649 days (23.68 yr)  
   first obs. used      1997-01-10  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5205  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:37  

Additional Information
 Earth MOID = 1.90907 au 
 Jupiter MOID = 2.08975 au 
 T_jup = 3.191 
[ 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 14.95   n/a E2021B55  
rotation period rot_per 0.55 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.]

181200 (2005 SO155)          Discovered 2005-Sep-26 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 SO155 = 2003 GE36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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