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243642 (1999 TL101)
Classification: Main-belt Asteroid          SPK-ID: 2243642
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2645779145490483 6.557e-08  
a 2.38167822040894 1.6966e-08 au
q 1.751538763726254 1.558e-07 au
i 8.512488693245947 5.8689e-06 deg
node 81.73823948325632 4.5337e-05 deg
peri 285.4085273435645 4.7047e-05 deg
M 228.2199103245288 2.1007e-05 deg
tp 2459491.939830670244
(2021-Oct-04.43983067)
8.253e-05 TDB
period 1342.527080357712
3.68
1.4345e-05
3.927e-08
d
yr
n .268151015549034 2.8653e-09 deg/d
Q 3.011817677091626 2.1455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      7511 days (20.56 yr)  
   first obs. used      1999-10-02  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51747  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:49:44  

Additional Information
 Earth MOID = .774272 au 
 Jupiter MOID = 2.49807 au 
 T_jup = 3.475 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457126.5 (2015-Apr-14.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .262820775921262 6.5263e-08  
q 1.757193047844559 1.548e-07 au
tp 2456804.258894842645
(2014-May-26.75889484)
6.2164e-05 TDB
node 81.9101038916165 4.5314e-05 deg
peri 285.0538299154859 4.707e-05 deg
i 8.51093671764832 5.8664e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      7511 days (20.56 yr)  
   first obs. used      1999-10-02  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51747  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:49:44  

Additional Information
 Jupiter MOID = 2.49807 au 
 T_jup = 3.475 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.259295168178033E-15 -1.006941550117739E-14 9.316380077669793E-13 5.131612278552105E-15 8.963996188618585E-14 5.003548706287232E-16
q -1.006941550117739E-14 2.396308212983015E-14 -1.729831328072677E-12 -4.451549476132589E-15 -1.115370564164606E-13 -1.289928837480725E-15
tp 9.316380077669793E-13 -1.729831328072677E-12 3.864332001284762E-9 3.254151658114922E-11 8.463338250891652E-10 -3.74398648512079E-12
node 5.131612278552105E-15 -4.451549476132589E-15 3.254151658114922E-11 2.053377880636992E-9 -2.022539604948815E-9 -1.581823040941774E-11
peri 8.963996188618585E-14 -1.115370564164606E-13 8.463338250891652E-10 -2.022539604948815E-9 2.215618613978563E-9 1.480033259898889E-11
i 5.003548706287232E-16 -1.289928837480725E-15 -3.74398648512079E-12 -1.581823040941774E-11 1.480033259898889E-11 3.441510143182763E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO454788  
diameter diameter 2.452 km 0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.138   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243642 (1999 TL101)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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