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184632 (2005 SO9)
Classification: Main-belt Asteroid          SPK-ID: 2184632
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2359876961232386 4.3542e-08  
a 2.344929701333942 1.1996e-08 au
q 1.791555143545191 1.0422e-07 au
i 6.185206610654235 5.9375e-06 deg
node 195.9736064806144 4.327e-05 deg
peri 106.9971315483918 4.5032e-05 deg
M 132.2061794752218 1.2598e-05 deg
tp 2458718.837958067511
(2019-Aug-23.33795807)
4.434e-05 TDB
period 1311.575115353775
3.59
1.0064e-05
2.755e-08
d
yr
n .2744791325984376 2.1062e-09 deg/d
Q 2.898304259122693 1.4827e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      7157 days (19.59 yr)  
   first obs. used      2001-06-15  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54475  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:43:54  

Additional Information
 Earth MOID = .786715 au 
 Jupiter MOID = 2.38235 au 
 T_jup = 3.516 
[ 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 16.7   n/a MPO396443  
rotation period rot_per 5.622 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

184632 (2005 SO9)          Discovered 2005-Sep-25 by Ries, W. at Altschwendt
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 2005 SO9 = 2001 LZ10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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