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43851 (1993 TL1)
Classification: Main-belt Asteroid          SPK-ID: 2043851
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3397522148086524 4.3869e-08  
a 2.604036360610348 1.4685e-08 au
q 1.71930923965072 1.1912e-07 au
i 5.369717648105174 5.3979e-06 deg
node 182.8497523637275 3.4684e-05 deg
peri 233.2554012489878 3.5612e-05 deg
M 151.2647087140662 9.0214e-06 deg
tp 2458555.582580449235
(2019-Mar-13.08258045)
3.4457e-05 TDB
period 1534.860794774967
4.20
1.2983e-05
3.555e-08
d
yr
n .2345489579416752 1.984e-09 deg/d
Q 3.488763481569977 1.9674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      905  
   data-arc span      10021 days (27.44 yr)  
   first obs. used      1993-10-11  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51965  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:27:27  

Additional Information
 Earth MOID = .736537 au 
 Jupiter MOID = 1.90924 au 
 T_jup = 3.323 
[ 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 15.44   n/a E2021B10  
diameter diameter 2.811 km 0.551 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.186   0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

43851 (1993 TL1)          Discovered 1993-Oct-15 by Endate, K., Watanabe, K. at Kitami
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 TL1 = 2001 RR31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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