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243566 (1995 SA)
Classification: Apollo [NEO, PHA]          SPK-ID: 2243566
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 108 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6414204639758271 2.2092e-08  
a 2.458060231503042 1.9283e-08 au
q .8814100973318318 5.3554e-08 au
i 19.94611871070908 1.3321e-05 deg
node 170.3637852515079 1.4086e-05 deg
peri 52.7952402121971 1.5705e-05 deg
M 105.9990434483974 6.1626e-06 deg
tp 2458186.036153728826
(2018-Mar-08.53615373)
2.0015e-05 TDB
period 1407.625765323625
3.85
1.6563e-05
4.535e-08
d
yr
n .2557497943476709 3.0094e-09 deg/d
Q 4.034710365674252 3.1651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      10075 days (27.58 yr)  
   first obs. used      1991-03-07  
   last obs. used      2018-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40368  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-07 06:49:13  

Additional Information
 Earth MOID = .0331546 au 
 Jupiter MOID = 1.39938 au 
 T_jup = 3.108 
[ 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 17.3   n/a MPO433596  
diameter diameter 0.881 km 0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 14.37 h n/a LCDB (Rev. 2019-January); 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:
[Warner, B.D. (2014) Minor Planet Bull. 41, 157-168.]
geometric albedo albedo 0.091   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

243566 (1995 SA)          Discovered 1995-Sep-17 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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