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67964 (2000 WJ178)
Classification: Main-belt Asteroid          SPK-ID: 2067964
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1295206491077175 3.5052e-08  
a 2.540436674506304 1.2204e-08 au
q 2.211397667407196 8.7948e-08 au
i 12.79852423554952 3.6543e-06 deg
node 268.1426517815088 2.3743e-05 deg
peri 339.9040532411298 3.2383e-05 deg
M 191.0271564131703 2.4126e-05 deg
tp 2459894.685278510239
(2022-Nov-11.18527851)
0.00010051 TDB
period 1478.975526237546
4.05
1.0657e-05
2.918e-08
d
yr
n .2434117357680863 1.754e-09 deg/d
Q 2.869475681605412 1.3785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1030  
   data-arc span      7828 days (21.43 yr)  
   first obs. used      1999-09-08  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52685  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:33:38  

Additional Information
 Earth MOID = 1.1993 au 
 Jupiter MOID = 2.20808 au 
 T_jup = 3.399 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.85   n/a MPCxxxxx  
diameter diameter 3.206 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.172   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

67964 (2000 WJ178)          Discovered 2000-Nov-28 by Spacewatch at Kitt Peak
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 WJ178 = 1999 RX204 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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