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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2713848513116984 1.5198e-08  
a 2.254781258552131 6.0595e-09 au
q 1.642867781959557 3.4121e-08 au
i 9.0414338688275 6.5317e-07 deg
node 116.3521099808912 4.7835e-06 deg
peri 237.6528245024921 5.8469e-06 deg
M 154.5159831771943 4.2417e-06 deg
tp 2458669.706054700267
(2019-Jul-05.20605470)
1.3685e-05 TDB
period 1236.673490850279
3.39
4.9851e-06
1.365e-08
d
yr
n .2911035149241218 1.1735e-09 deg/d
Q 2.866694735144705 7.7039e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2628  
   data-arc span      26414 days (72.32 yr)  
   first obs. used      1948-11-28  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43365  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:18:08  

Additional Information
 Earth MOID = .65611 au 
 Jupiter MOID = 2.60391 au 
 T_jup = 3.559 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457144.5 (2015-May-02.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .272490889188759 1.5244e-08  
q 1.639717100267522 3.4231e-08 au
tp 2457433.035389385401
(2016-Feb-14.53538939)
1.2707e-05 TDB
node 116.4367436464559 4.7867e-06 deg
peri 237.5581356670943 5.8342e-06 deg
i 9.040752656880429 6.5265e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2628  
   data-arc span      26414 days (72.32 yr)  
   first obs. used      1948-11-28  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43365  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:18:08  

Additional Information
 Jupiter MOID = 2.60391 au 
 T_jup = 3.559 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.32394171688631E-16 -5.175663320417463E-16 -2.606977272486689E-14 -2.31063822930599E-15 1.828588972601166E-14 -5.149361605171738E-16
q -5.175663320417463E-16 1.171733433107451E-15 5.804866826145716E-14 5.153100309091797E-15 -4.199938859030048E-14 1.164213965921401E-15
tp -2.606977272486689E-14 5.804866826145716E-14 1.614783363597554E-10 3.397420387431451E-13 4.100083391181358E-11 -1.331853128749331E-13
node -2.31063822930599E-15 5.153100309091797E-15 3.397420387431451E-13 2.291279909886086E-11 -2.177544478596728E-11 -2.215573969701413E-12
peri 1.828588972601166E-14 -4.199938859030048E-14 4.100083391181358E-11 -2.177544478596728E-11 3.403803000090567E-11 2.04507242392745E-12
i -5.149361605171738E-16 1.164213965921401E-15 -1.331853128749331E-13 -2.215573969701413E-12 2.04507242392745E-12 4.259566275909229E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.04   n/a MPCxxxxx  
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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