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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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2712642686317336 3.1328e-08  
a 2.254855439822204 6.2426e-09 au
q 1.643193728068548 6.988e-08 au
i 9.041487594079189 3.6262e-06 deg
node 116.3524864029736 2.4814e-05 deg
peri 237.6464574579824 2.5919e-05 deg
M 96.31687940246901 8.5352e-06 deg
tp 2458669.615528754582
(2019-Jul-05.11552875)
2.8987e-05 TDB
period 1236.734520338882
3.39
5.1359e-06
1.406e-08
d
yr
n .2910891497565339 1.2088e-09 deg/d
Q 2.86651715157586 7.936e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2414  
   data-arc span      26286 days (71.97 yr)  
   first obs. used      1948-11-28  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43569  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 19:50:36  

Additional Information
 Earth MOID = .658123 au 
 Jupiter MOID = 2.60334 au 
 T_jup = 3.559 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456918.5 (2014-Sep-18.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2724627773164453 3.1427e-08  
q 1.639666290460473 7.0144e-08 au
tp 2457433.111909695058
(2016-Feb-14.61190969)
2.8033e-05 TDB
node 116.4375032294116 2.4832e-05 deg
peri 237.5798687680806 2.5919e-05 deg
i 9.040762265047036 3.6248e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2414  
   data-arc span      26286 days (71.97 yr)  
   first obs. used      1948-11-28  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43569  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 19:50:36  

Additional Information
 Jupiter MOID = 2.60334 au 
 T_jup = 3.559 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.876345252476233E-16 -2.199966742841162E-15 3.337336536692765E-13 -4.643970562333752E-15 7.562724937906637E-14 -9.823789030122847E-16
q -2.199966742841162E-15 4.920182770631443E-15 -7.478925968784149E-13 9.796274371926359E-15 -1.711231820450763E-13 2.305076768928588E-15
tp 3.337336536692765E-13 -7.478925968784149E-13 7.858512478494641E-10 -1.228533407191521E-12 2.23541346251527E-10 -2.636601765035158E-12
node -4.643970562333752E-15 9.796274371926359E-15 -1.228533407191521E-12 6.166350745069787E-10 -6.087052965976464E-10 -2.49381869808526E-11
peri 7.562724937906637E-14 -1.711231820450763E-13 2.23541346251527E-10 -6.087052965976464E-10 6.717920521431042E-10 2.388231137704539E-11
i -9.823789030122847E-16 2.305076768928588E-15 -2.636601765035158E-12 -2.49381869808526E-11 2.388231137704539E-11 1.313901450111562E-11

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. 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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