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136745 (1995 WL8)
Classification: Amor [NEO]          SPK-ID: 2136745
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4840025203288396 7.1078e-08  
a 2.365807489598397 1.7906e-08 au
q 1.220750702019928 1.6689e-07 au
i 17.78298056501915 2.7727e-05 deg
node 247.9486431810033 4.2787e-05 deg
peri 131.5448378483796 6.4898e-05 deg
M 279.5259824642071 4.0319e-05 deg
tp 2459297.612355835072
(2021-Mar-24.11235584)
0.00015199 TDB
period 1329.130213401517
3.64
1.509e-05
4.131e-08
d
yr
n .2708538233275775 3.0751e-09 deg/d
Q 3.510864277176867 2.6573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      9007 days (24.66 yr)  
   first obs. used      1995-10-25  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57052  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-22 06:41:38  

Additional Information
 Earth MOID = .300623 au 
 Jupiter MOID = 2.18933 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 18.0   n/a MPO264230  
SMASSII spectral type spec_B Sq   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

136745 (1995 WL8)          Discovered 1995-Nov-29 by Pollas, C. at Caussols
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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