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1101 Clematis (1928 SJ)
Classification: Outer Main-belt Asteroid          SPK-ID: 2001101
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07931455859892464 3.3272e-08  
a 3.232769422123674 1.4458e-08 au
q 2.976363742355834 1.1221e-07 au
i 21.42437347336266 3.6931e-06 deg
node 201.8230098882387 9.7962e-06 deg
peri 106.1997535922616 2.6662e-05 deg
M 29.49295982068968 2.4044e-05 deg
tp 2459222.569246004567
(2021-Jan-08.06924600)
0.00014166 TDB
period 2123.051461061922
5.81
1.4242e-05
3.899e-08
d
yr
n .1695672510076288 1.1375e-09 deg/d
Q 3.489175101891514 1.5605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2954  
   data-arc span      33882 days (92.76 yr)  
   first obs. used      1928-09-22  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4239  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:57:06  

Additional Information
 Earth MOID = 2.04447 au 
 Jupiter MOID = 1.78589 au 
 T_jup = 3.072 
[ 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 10.64   n/a MPCxxxxx  
diameter diameter 33.765 km 0.809 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 34.3 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:
[Warner, B.D.; Stephens, R.D. (2010) Minor Planet Bull. 37, 73-74.]
geometric albedo albedo 0.127   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1101 Clematis (1928 SJ)          Discovered 1928-Sep-22 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1917-Jul-26 18:43 00:02 Jupiter 1.97902137541708 1.9790199901806 1.979022760663 6.24019592474333 6.17122709048121 2421436.280066926 2.04663860664074 238.912984214978 21.5607919675099 73.6802096289704 5480746.66506579 T 42 CATAB v2.0g-lin.ifort 2021-Jul-08 11:57:32 2021-Jul-08 11:57
1929-Feb-22 18:40 00:02 Jupiter 1.89014981732447 1.89014892095248 1.89015071370516 6.46394155418105 6.39423891816092 2425665.277754087 1.64803273937877 227.832313330571 18.2267043078372 79.515175845275 5777963.58813168 T 42 CATAB v2.0g-lin.ifort 2021-Jul-08 11:57:32 2021-Jul-08 11:57
1940-Sep-27 01:19 00:01 Jupiter 1.83949015030376 1.83948963680854 1.8394906638039 6.60756797202868 6.53750890472793 2429899.554647212 1.32434958769671 200.984340923917 16.4908274347226 84.378314595003 5915448.35291444 T 42 CATAB v2.0g-lin.ifort 2021-Jul-08 11:57:32 2021-Jul-08 11:57
1952-May-01 02:29 00:01 Jupiter 1.82620149853714 1.8262011706587 1.82620182641578 6.69591541496196 6.62628478928888 2434133.603411512 1.06252379228252 168.277759208077 15.7715440594622 88.952446975771 5975434.05522147 T 42 CATAB v2.0g-lin.ifort 2021-Jul-08 11:57:32 2021-Jul-08 11:57
1963-Nov-28 00:02 < 00:01 Jupiter 1.85628255205839 1.85628218469745 1.85628291942018 6.73196921198329 6.66384338260381 2438361.501303080 0.847519625139482 134.116311105476 15.969226787332 -86.3601182947771 5981327.31259967 T 42 CATAB v2.0g-lin.ifort 2021-Jul-08 11:57:32 2021-Jul-08 11:57
1975-Jun-14 22:46 < 00:01 Jupiter 1.93304100204816 1.93304054911178 1.9330414549853 6.69441704377164 6.62863914094422 2442578.448717730 0.664063654041689 100.695402239654 17.1231363777896 -81.5925059892727 5926623.46060022 T 42 CATAB v2.0g-lin.ifort 2021-Jul-08 11:57:32 2021-Jul-08 11:57

Alternate Designations
 1928 SJ = 1928 WB = 1963 TG1 = 1969 TG1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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