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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 110 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6409302732728551 2.1991e-08  
a 2.458890673293381 1.8965e-08 au
q .8829132021113796 5.3364e-08 au
i 19.9370601007727 1.1597e-05 deg
node 170.328980407424 1.3419e-05 deg
peri 52.83062979446829 1.4976e-05 deg
M 259.3953839020296 7.7026e-06 deg
tp 2459594.070613474155
(2022-Jan-14.57061347)
3.4369e-05 TDB
period 1408.339163212155
3.86
1.6293e-05
4.461e-08
d
yr
n .2556202436200866 2.9573e-09 deg/d
Q 4.034868144475382 3.112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      526  
   data-arc span      10899 days (29.84 yr)  
   first obs. used      1991-03-07  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40766  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:44:09  

Additional Information
 Earth MOID = .0338517 au 
 Jupiter MOID = 1.39774 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 17.35   n/a MPCxxxxx  
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 2.313 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Monteiro, F.; Silva, J.S.; Lazzaro, D.; Arcoverde, P.; et al. (2018) Plan. Space Sci. 164, 54-74.]
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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