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78684 (2002 TL137)
Classification: Main-belt Asteroid          SPK-ID: 2078684
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06496302620533081 4.2637e-08  
a 3.075679853152879 2.0198e-08 au
q 2.8758743822533 1.3028e-07 au
i 7.383495648032408 4.71e-06 deg
node 276.5775118935318 4.0948e-05 deg
peri 179.6881655752108 5.8579e-05 deg
M 70.79307787739792 4.1452e-05 deg
tp 2458813.065391484995
(2019-Nov-25.56539149)
0.00022624 TDB
period 1970.199110525357
5.39
1.9407e-05
5.313e-08
d
yr
n .1827226487296532 1.7999e-09 deg/d
Q 3.275485324052458 2.151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      782  
   data-arc span      8515 days (23.31 yr)  
   first obs. used      1997-11-26  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50908  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:31:10  

Additional Information
 Earth MOID = 1.89247 au 
 Jupiter MOID = 1.87345 au 
 T_jup = 3.213 
[ 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 14.66   n/a E2021B10  
diameter diameter 4.088 km 0.533 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.127   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78684 (2002 TL137)          Discovered 2002-Oct-04 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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