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70938 (1999 WZ3)
Classification: Main-belt Asteroid          SPK-ID: 2070938
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 .05337212174945331 3.4909e-08  
a 2.870887817390661 1.4201e-08 au
q 2.717662443271865 1.0043e-07 au
i 1.42278874672887 3.9995e-06 deg
node 205.8761808656284 0.00016416 deg
peri 252.7131845825553 0.00016985 deg
M 57.51905441674084 4.199e-05 deg
tp 2458716.621829611286
(2019-Aug-21.12182961)
0.00020739 TDB
period 1776.735420570351
4.86
1.3183e-05
3.609e-08
d
yr
n .2026188006565638 1.5034e-09 deg/d
Q 3.024113191509458 1.4959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1663  
   data-arc span      10189 days (27.90 yr)  
   first obs. used      1992-06-03  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53194  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:42:09  

Additional Information
 Earth MOID = 1.73496 au 
 Jupiter MOID = 2.05742 au 
 T_jup = 3.295 
[ 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 14.0   n/a MPO337797  
diameter diameter 4.933 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.219   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70938 (1999 WZ3)          Discovered 1999-Nov-28 by Kobayashi, T. at Oizumi
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 WZ3 = 1992 LH2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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