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266742 (2009 SJ43)
Classification: Main-belt Asteroid          SPK-ID: 2266742
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09298539675738027 4.2169e-08  
a 2.72393876276274 1.8786e-08 au
q 2.470652236164439 1.1532e-07 au
i 3.726450722006307 5.3128e-06 deg
node 293.5014234736951 9.9777e-05 deg
peri 142.2189511885429 0.00010786 deg
M 90.62180426356551 4.032e-05 deg
tp 2458587.143624336057
(2019-Apr-13.64362434)
0.00018365 TDB
period 1642.080473328732
4.50
1.6988e-05
4.651e-08
d
yr
n .2192340788696114 2.268e-09 deg/d
Q 2.977225289361042 2.0533e-08 au
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      10414 days (28.51 yr)  
   first obs. used      1991-10-14  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53822  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:25:29  

Additional Information
 Earth MOID = 1.4872 au 
 Jupiter MOID = 2.22558 au 
 T_jup = 3.348 
[ 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 16.4   n/a MPO460147  
diameter diameter 2.435 km 0.680 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266742 (2009 SJ43)          Discovered 2009-Sep-16 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2087-May-21 11:06 00:04 Hebe 0.040833432021429 0.0408153810866087 0.0408515001553817 6.27043595212357 6.27043592784383 2483461.962786815 3.61342168454056 1600.88737699985 56.255755919945 -55.831235327942 89843.6980089406 T 15 CATAB v2.0f-lin.ifort 2020-May-21 15:25:33 2020-May-21 15:25
2115-May-18 04:07 00:50 Iris 0.0255976698008902 0.0255862138022207 0.0256091337952972 1.78284989654671 1.7828497705794 2493684.671453827 50.4158459055586 914.080532976707 54.148542537296 -51.557512023401 55299.5987164347 T 15 CATAB v2.0f-lin.ifort 2020-May-21 15:25:33 2020-May-21 15:25
2145-Aug-29 02:40 00:04 Eunom 0.0463707226450022 0.0463264086403301 0.046415071873259 3.49555321365958 3.49555312705635 2504745.611166113 3.55758604614864 2987.18329420423 63.4273168955078 42.3748243722167 73630.9793713268 T 15 CATAB v2.0f-lin.ifort 2020-May-21 15:25:33 2020-May-21 15:25
2178-Mar-19 05:26 00:16 Hygie 0.00282686816738695 0.00279699441620081 0.00285770802957644 3.04131319875676 3.04130870472595 2516635.726706475 16.3842673906618 3009.58546997692 101.087044658409 59.9568404609458 3609.01166923337 T 15 CATAB v2.0f-lin.ifort 2020-May-21 15:25:33 2020-May-21 15:25

Alternate Designations
 2009 SJ43 = 2005 WU175 = 2005 YS11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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