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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2712642673992063 3.1349e-08  
a 2.254855440173327 6.2462e-09 au
q 1.643193731103595 6.9932e-08 au
i 9.041487649212057 3.6322e-06 deg
node 116.3524855987555 2.4911e-05 deg
peri 237.6464570338142 2.6019e-05 deg
M 96.31688026203548 8.5484e-06 deg
tp 2458669.615525724363
(2019-Jul-05.11552572)
2.9036e-05 TDB
period 1236.734520627756
3.39
5.1389e-06
1.407e-08
d
yr
n .2910891496885419 1.2095e-09 deg/d
Q 2.86651714924306 7.9406e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2374  
   data-arc span      26078 days (71.40 yr)  
   first obs. used      1948-11-28  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43691  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:00:58  

Additional Information
 Earth MOID = .658123 au 
 Jupiter MOID = 2.60334 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 13.0   n/a MPO347553  
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. 2019-August); 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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