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JPL Small-Body Database Browser
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154971 (2004 TL282)
Classification: Outer Main-belt Asteroid          SPK-ID: 2154971
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724168408265401 5.1609e-08  
a 3.938965340862896 7.2445e-08 au
q 3.25982138066608 2.3493e-07 au
i 3.272804590893686 5.4991e-06 deg
node 78.100169339243 0.00011909 deg
peri 3.778603512805628 0.00012113 deg
M 315.9486441419234 2.5407e-05 deg
tp 2459349.904460905737
(2021-May-15.40446091)
0.00020828 TDB
period 2855.430973142294
7.82
7.8775e-05
2.157e-07
d
yr
n .1260755393445332 3.4781e-09 deg/d
Q 4.618109301059713 8.4935e-08 au
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      6700 days (18.34 yr)  
   first obs. used      2001-05-22  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55696  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:01:22  

Additional Information
 Earth MOID = 2.27574 au 
 Jupiter MOID = .64362 au 
 T_jup = 3.032 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456994.5 (2014-Dec-03.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1715534980636193 5.172e-08  
q 3.269117102677267 2.3783e-07 au
tp 2456502.269131594758
(2013-Jul-28.76913159)
0.00016376 TDB
node 78.14882469928159 0.00011907 deg
peri 4.68734112048438 0.00012113 deg
i 3.271998795037104 5.4953e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      6700 days (18.34 yr)  
   first obs. used      2001-05-22  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55696  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:01:22  

Additional Information
 Jupiter MOID = .64362 au 
 T_jup = 3.032 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.674947451568409E-15 -1.196720454315323E-14 -7.045331491246762E-13 1.139513655807593E-14 -1.155819038290683E-13 -9.935142594431566E-16
q -1.196720454315323E-14 5.656280213568757E-14 6.798266188290339E-12 -6.173993242251407E-14 1.092142322317449E-12 6.322903028097019E-15
tp -7.045331491246762E-13 6.798266188290339E-12 2.681847637274452E-8 -8.056971588435117E-12 3.732636734118897E-9 5.263501881680672E-12
node 1.139513655807593E-14 -6.173993242251407E-14 -8.056971588435117E-12 1.417871731715458E-8 -1.415731629812343E-8 1.97208357827449E-11
peri -1.155819038290683E-13 1.092142322317449E-12 3.732636734118897E-9 -1.415731629812343E-8 1.467331820764808E-8 -1.889014627524635E-11
i -9.935142594431566E-16 6.322903028097019E-15 5.263501881680672E-12 1.97208357827449E-11 -1.889014627524635E-11 3.019878507789098E-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 14.4   n/a MPO454007  

154971 (2004 TL282)          Discovered 2004-Oct-07 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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Alternate Designations
 2004 TL282 = 2005 WE102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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