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3920 Aubignan (1948 WF)
Classification: Mars-crossing Asteroid          SPK-ID: 2003920
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2713848572361491 3.131e-08  
a 2.254781261813602 6.2254e-09 au
q 1.642867770977574 6.9821e-08 au
i 9.041438698030806 3.5417e-06 deg
node 116.3520929531283 2.4121e-05 deg
peri 237.6528439808789 2.519e-05 deg
M 154.5159798430527 8.4775e-06 deg
tp 2458669.706065002059
(2019-Jul-05.20606500)		 2.8512e-05 TDB
period 1236.673493533494
3.39		 5.1216e-06
1.402e-08		 d
yr
n .2911035142925134 1.2056e-09 deg/d
Q 2.86669475264963 7.9149e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2492  
   data-arc span      26350 days (72.14 yr)  
   first obs. used      1948-11-28  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43663  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:14:13  

Additional Information
 Earth MOID = .65611 au 
 Jupiter MOID = 2.60391 au 
 T_jup = 3.559 
[ 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 13.02   n/a E2021B10  
diameter diameter 5.956 km 1.308 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 4.4762 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Li, B.; Zhao, H.; Han, X.L.; Liu, W.; et al. (2013) Minor Planet Bull. 40, 43-44.]
[Simpson, G.; Chong, E.; Gerhardt, M.; Gorsky, S.; et al. (2013) Minor Planet Bull. 146-151.]
geometric albedo albedo 0.339   0.192 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
SMASSII spectral type spec_B Sa   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

3920 Aubignan (1948 WF)          Discovered 1948-Nov-28 by Arend, S. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1948 WF = 1934 NW = 1934 PU = 1975 XC4 = 1978 NE2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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