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80243 (1999 WL1)
Classification: Main-belt Asteroid          SPK-ID: 2080243
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1117547023391797 3.4859e-08  
a 2.22793073234239 8.0267e-09 au
q 1.978948996517155 7.7445e-08 au
i .9799313770059283 4.6833e-06 deg
node 152.9195045605328 0.00021825 deg
peri 313.8762710513378 0.00021928 deg
M 36.76456272984726 2.161e-05 deg
tp 2458876.455401598666
(2020-Jan-27.95540160)
7.2736e-05 TDB
period 1214.649437084868
3.33
6.5642e-06
1.797e-08
d
yr
n .2963818110878083 1.6017e-09 deg/d
Q 2.476912468167624 8.9238e-09 au
  Orbit Determination Parameters
   # obs. used (total)      858  
   data-arc span      8005 days (21.92 yr)  
   first obs. used      1998-06-16  
   last obs. used      2020-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5343  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:20:19  

Additional Information
 Earth MOID = .995904 au 
 Jupiter MOID = 2.61702 au 
 T_jup = 3.636 
[ 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 16.1   n/a MPO453225  
diameter diameter 1.768 km 0.362 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.156   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80243 (1999 WL1)          Discovered 1999-Nov-28 by Klet at Klet
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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