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123455 (2000 WF136)
Classification: Main-belt Asteroid          SPK-ID: 2123455
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1759334580469749 4.7829e-08  
a 2.55058711762565 1.0968e-08 au
q 2.101853505971703 1.2378e-07 au
i 2.5244773551 5.2497e-06 deg
node 323.5609469232059 7.2666e-05 deg
peri 212.4488084100538 7.3684e-05 deg
M 181.0259614897778 1.21e-05 deg
tp 2459740.183969672758
(2022-Jun-09.68396967)
5.2733e-05 TDB
period 1487.84835665975
4.07
9.5971e-06
2.628e-08
d
yr
n .2419601422339891 1.5607e-09 deg/d
Q 2.999320729279597 1.2898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      7855 days (21.51 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56548  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 14:31:18  

Additional Information
 Earth MOID = 1.1069 au 
 Jupiter MOID = 1.9714 au 
 T_jup = 3.417 
[ 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 15.7   n/a MPO396055  
diameter diameter 2.018 km 0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.250   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123455 (2000 WF136)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2000 WF136 = 1998 HA88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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