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227261 (2005 SE93)
Classification: Main-belt Asteroid          SPK-ID: 2227261
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08520369705287409 4.8553e-08  
a 2.397361205682302 1.3296e-08 au
q 2.193097167787034 1.2131e-07 au
i 1.12149969325714 5.5524e-06 deg
node 347.697549001609 0.00030405 deg
peri 115.3417078117064 0.00030801 deg
M 320.4951354812478 4.457e-05 deg
tp 2459349.280739404376
(2021-May-14.78073940)
0.0001677 TDB
period 1355.809387984383
3.71
1.1279e-05
3.088e-08
d
yr
n .2655240502023626 2.2089e-09 deg/d
Q 2.60162524357757 1.4429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      6548 days (17.93 yr)  
   first obs. used      2003-02-02  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4806  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:04  

Additional Information
 Earth MOID = 1.21009 au 
 Jupiter MOID = 2.48694 au 
 T_jup = 3.523 
[ 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 17.0   n/a MPO437077  
diameter diameter 1.854 km 0.265 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.72 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, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.068   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227261 (2005 SE93)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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