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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2712642683586325 3.1329e-08  
a 2.254855439911185 6.243e-09 au
q 1.643193728749195 6.9881e-08 au
i 9.041487592047069 3.627e-06 deg
node 116.3524864410661 2.4822e-05 deg
peri 237.646457087137 2.5928e-05 deg
M 96.31687964051258 8.5367e-06 deg
tp 2458669.615527917227
(2019-Jul-05.11552792)
2.8993e-05 TDB
period 1236.734520412088
3.39
5.1362e-06
1.406e-08
d
yr
n .2910891497393035 1.2089e-09 deg/d
Q 2.866517151073175 7.9365e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2411  
   data-arc span      26270 days (71.92 yr)  
   first obs. used      1948-11-28  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4349  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:56:01  

Additional Information
 Earth MOID = .658123 au 
 Jupiter MOID = 2.60334 au 
 T_jup = 3.559 
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Orbital Elements at Epoch 2456916.5 (2014-Sep-16.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2724619295272334 3.1427e-08  
q 1.639668646573821 7.0146e-08 au
tp 2457433.113172855496
(2016-Feb-14.61317286)
2.804e-05 TDB
node 116.4375162203671 2.4841e-05 deg
peri 237.5800166527943 2.5928e-05 deg
i 9.040762789446653 3.6256e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2411  
   data-arc span      26270 days (71.92 yr)  
   first obs. used      1948-11-28  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4349  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:56:01  

Additional Information
 Jupiter MOID = 2.60334 au 
 T_jup = 3.559 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.876714263179451E-16 -2.200059274115117E-15 3.338616382124121E-13 -4.65260847888127E-15 7.568296205338807E-14 -9.816920783353514E-16
q -2.200059274115117E-15 4.92041502940492E-15 -7.482213030137689E-13 9.815322579897939E-15 -1.71263636172638E-13 2.303682051655673E-15
tp 3.338616382124121E-13 -7.482213030137689E-13 7.862247386592405E-10 -1.224965282142038E-12 2.23677745913233E-10 -2.638047349626035E-12
node -4.65260847888127E-15 9.815322579897939E-15 -1.224965282142038E-12 6.170567441666037E-10 -6.091204952041674E-10 -2.498846144938719E-11
peri 7.568296205338807E-14 -1.71263636172638E-13 2.23677745913233E-10 -6.091204952041674E-10 6.722534884362366E-10 2.393143167831307E-11
i -9.816920783353514E-16 2.303682051655673E-15 -2.638047349626035E-12 -2.498846144938719E-11 2.393143167831307E-11 1.314500828619109E-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. 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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