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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 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2713848515033638 1.5213e-08  
a 2.254781258474003 6.0681e-09 au
q 1.642867781470467 3.4167e-08 au
i 9.041433870558535 6.535e-07 deg
node 116.3521099685846 4.7855e-06 deg
peri 237.6528245808387 5.8521e-06 deg
M 154.5159831614861 4.2419e-06 deg
tp 2458669.706054781816
(2019-Jul-05.20605478)
1.3687e-05 TDB
period 1236.673490786003
3.39
4.9923e-06
1.367e-08
d
yr
n .2911035149392519 1.1751e-09 deg/d
Q 2.866694735477538 7.7149e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2605  
   data-arc span      26400 days (72.28 yr)  
   first obs. used      1948-11-28  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:43:32  

Additional Information
 Earth MOID = .65611 au 
 Jupiter MOID = 2.60391 au 
 T_jup = 3.559 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457129.5 (2015-Apr-17.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2724913561088439 1.526e-08  
q 1.639693641787078 3.4277e-08 au
tp 2457433.040344761700
(2016-Feb-14.54034476)
1.2717e-05 TDB
node 116.4366939467115 4.7889e-06 deg
peri 237.5610119066022 5.8394e-06 deg
i 9.040757419234808 6.5298e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2605  
   data-arc span      26400 days (72.28 yr)  
   first obs. used      1948-11-28  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:43:32  

Additional Information
 Jupiter MOID = 2.60391 au 
 T_jup = 3.559 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.328713161256345E-16 -5.187975045181661E-16 -2.572257882952693E-14 -2.284845084897477E-15 1.84252733590507E-14 -5.187436326918526E-16
q -5.187975045181661E-16 1.174914048221137E-15 5.714805255460085E-14 5.087981479508854E-15 -4.236227273362028E-14 1.173779531197556E-15
tp -2.572257882952693E-14 5.714805255460085E-14 1.617284048362808E-10 3.548725220671717E-13 4.110512267364649E-11 -1.354020400236193E-13
node -2.284845084897477E-15 5.087981479508854E-15 3.548725220671717E-13 2.293309363690705E-11 -2.178714363227678E-11 -2.21852156938463E-12
peri 1.84252733590507E-14 -4.236227273362028E-14 4.110512267364649E-11 -2.178714363227678E-11 3.409816613759675E-11 2.046761228237298E-12
i -5.187436326918526E-16 1.173779531197556E-15 -1.354020400236193E-13 -2.21852156938463E-12 2.046761228237298E-12 4.263849981089428E-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 13.02   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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