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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07931456355982537 3.2206e-08  
a 3.232769420212538 1.4061e-08 au
q 2.976363724558831 1.081e-07 au
i 21.42437385388651 3.6554e-06 deg
node 201.8230112776511 9.6368e-06 deg
peri 106.1997514912181 2.6555e-05 deg
M 29.49296127504213 2.3832e-05 deg
tp 2459222.569237581955
(2021-Jan-08.06923758)
0.00014045 TDB
period 2123.051459179275
5.81
1.3852e-05
3.792e-08
d
yr
n .169567251157995 1.1063e-09 deg/d
Q 3.489175115866245 1.5176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3063  
   data-arc span      33924 days (92.88 yr)  
   first obs. used      1928-09-22  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4172  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:19:56  

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

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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 1.97902138357834 1.97902000104409 1.97902276612204 6.24019591907439 6.17122708503492 2421436.280097270 2.03534921760165 237.294984327439 21.1084554306961 73.5709499657924 5568519.07590018 T 44 CATAB v2.0g-lin.ifort 2021-Aug-25 07:20:27 2021-Aug-25 07:20
1929-Feb-22 18:40 00:02 Jupiter 1.89014981963719 1.89014892467291 1.89015071461017 6.46394160508277 6.39423896970327 2425665.277778592 1.63753520232807 226.194094394672 17.9667441479203 79.4321248508672 5853264.37120245 T 44 CATAB v2.0g-lin.ifort 2021-Aug-25 07:20:27 2021-Aug-25 07:20
1940-Sep-27 01:19 00:01 Jupiter 1.83949014867936 1.83948963552376 1.83949066183987 6.60756800970384 6.53750894274463 2429899.554674638 1.3145924828355 199.411104159386 16.3657824688539 84.3121098335241 5976690.71349133 T 44 CATAB v2.0g-lin.ifort 2021-Aug-25 07:20:27 2021-Aug-25 07:20
1952-May-01 02:29 00:01 Jupiter 1.82620149541025 1.82620116788123 1.82620182293948 6.6959155013126 6.62628487642706 2434133.603427463 1.05369975963621 166.847889378047 15.7323160087726 88.9051052921394 6024699.09442729 T 44 CATAB v2.0g-lin.ifort 2021-Aug-25 07:20:27 2021-Aug-25 07:20
1963-Nov-28 00:02 < 00:01 Jupiter 1.85628255085862 1.85628218478235 1.85628291693563 6.73196929454512 6.66384346596543 2438361.501321071 0.840100713857731 132.901230976564 15.9646019054533 -86.378756373568 6022615.73672348 T 44 CATAB v2.0g-lin.ifort 2021-Aug-25 07:20:27 2021-Aug-25 07:20
1975-Jun-14 22:46 < 00:01 Jupiter 1.93304100696505 1.93304055589698 1.93304145803389 6.69441713438868 6.62863923262863 2442578.448732625 0.658724952420197 99.7180159941833 17.0953988895243 -81.5681762151421 5965919.08592705 T 44 CATAB v2.0g-lin.ifort 2021-Aug-25 07:20:27 2021-Aug-25 07:20

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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