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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457079.5 (2015-Feb-26.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07797517674942052 3.3454e-08  
q 2.979758007149657 1.1214e-07 au
tp 2457112.436059978860
(2015-Mar-30.93605998)
0.00014403 TDB
node 201.9886930640558 9.7961e-06 deg
peri 107.986361086139 2.7042e-05 deg
i 21.41973116166107 3.6942e-06 deg
  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
 Jupiter MOID = 1.78589 au 
 T_jup = 3.072 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.119187186421835E-15 -3.728743199402279E-15 1.33012943708905E-13 3.143859703472634E-16 5.769245989865458E-14 -3.565059529737662E-15
q -3.728743199402279E-15 1.257648490199451E-14 -4.97034597292058E-13 3.639028776454462E-16 -2.043995649078967E-13 1.230568862099808E-14
tp 1.33012943708905E-13 -4.97034597292058E-13 2.07444742893135E-8 -1.587787367230299E-11 3.646416663777171E-9 1.402715567743843E-11
node 3.143859703472634E-16 3.639028776454462E-16 -1.587787367230299E-11 9.596306806920979E-11 -9.171024853415269E-11 2.950998263262131E-12
peri 5.769245989865458E-14 -2.043995649078967E-13 3.646416663777171E-9 -9.171024853415269E-11 7.312548669982786E-10 -4.200892951709632E-13
i -3.565059529737662E-15 1.230568862099808E-14 1.402715567743843E-11 2.950998263262131E-12 -4.200892951709632E-13 1.364717391380098E-11

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

[ show close-approach data ]
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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