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215435 (2002 LW8)
Classification: Main-belt Asteroid          SPK-ID: 2215435
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2399685569249273 4.3798e-08  
a 2.316940915007642 1.0253e-08 au
q 1.760947947152938 1.0282e-07 au
i 5.242580947653545 7.4291e-06 deg
node 201.0066504511066 5.1903e-05 deg
peri 109.3375035594444 5.4807e-05 deg
M 358.6846120372496 1.5253e-05 deg
tp 2459005.206761882272
(2020-Jun-04.70676188)
5.4585e-05 TDB
period 1288.163131791871
3.53
8.5503e-06
2.341e-08
d
yr
n .2794677095743532 1.855e-09 deg/d
Q 2.872933882862346 1.2713e-08 au
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      7602 days (20.81 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64906  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 15:12:00  

Additional Information
 Earth MOID = .755461 au 
 Jupiter MOID = 2.43209 au 
 T_jup = 3.536 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457109.5 (2015-Mar-28.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2392776913803305 4.369e-08  
q 1.763577935747133 1.0238e-07 au
tp 2457716.982820955838
(2016-Nov-24.48282096)
5.4518e-05 TDB
node 201.0985661357128 5.199e-05 deg
peri 109.1371257406139 5.4894e-05 deg
i 5.236030524473319 7.4225e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      7602 days (20.81 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64906  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 15:12:00  

Additional Information
 Jupiter MOID = 2.43209 au 
 T_jup = 3.536 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.908811865331283E-15 -4.460510179160457E-15 8.453688807829644E-13 -6.874646612761846E-15 2.999771533905781E-13 -6.307856844542692E-16
q -4.460510179160457E-15 1.048234816520123E-14 -1.953653245188503E-12 1.50412518782947E-14 -7.088298972112542E-13 1.169389016909962E-16
tp 8.453688807829644E-13 -1.953653245188503E-12 2.97224536406718E-9 -3.142053453087757E-11 9.671270781865339E-10 -2.920650911500479E-12
node -6.874646612761846E-15 1.50412518782947E-14 -3.142053453087757E-11 2.702988338097933E-9 -2.700079938727065E-9 -3.045604256762785E-11
peri 2.999771533905781E-13 -7.088298972112542E-13 9.671270781865339E-10 -2.700079938727065E-9 3.013335982456315E-9 2.981062002520446E-11
i -6.307856844542692E-16 1.169389016909962E-16 -2.920650911500479E-12 -3.045604256762785E-11 2.981062002520446E-11 5.509371734854122E-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 17.2   n/a MPO433410  

215435 (2002 LW8)          Discovered 2002-Jun-05 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2002 LW8 = 1999 TD316 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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