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43912 (1995 WR34)
Classification: Main-belt Asteroid          SPK-ID: 2043912
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01126209827214397 3.6364e-08  
a 2.67224010761201 1.4882e-08 au
q 2.642145076913319 1.0035e-07 au
i 14.6106898431931 4e-06 deg
node 125.7096220060248 1.4566e-05 deg
peri 16.87463165062556 0.00018911 deg
M 236.6923034118922 0.00019087 deg
tp 2459747.011529217208
(2022-Jun-16.51152922)
0.00084777 TDB
period 1595.554502776833
4.37
1.3329e-05
3.649e-08
d
yr
n .2256268898201044 1.8848e-09 deg/d
Q 2.702335138310701 1.505e-08 au
  Orbit Determination Parameters
   # obs. used (total)      910  
   data-arc span      9211 days (25.22 yr)  
   first obs. used      1995-11-20  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53443  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:23:59  

Additional Information
 Earth MOID = 1.65778 au 
 Jupiter MOID = 2.33357 au 
 T_jup = 3.334 
[ 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 15.13   n/a E2021B10  
diameter diameter 2.914 km 0.745 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.208   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43912 (1995 WR34)          Discovered 1995-Nov-20 by Spacewatch at Kitt Peak
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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