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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 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 
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Orbital Elements at Epoch 2456895.5 (2014-Aug-26.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2724526393926734 3.1448e-08  
q 1.639695614613993 7.0198e-08 au
tp 2457433.127054717756
(2016-Feb-14.62705472)
2.8091e-05 TDB
node 116.437675141984 2.4929e-05 deg
peri 237.5815403953858 2.6019e-05 deg
i 9.040770352052176 3.6308e-06 deg
  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
 Jupiter MOID = 2.60334 au 
 T_jup = 3.559 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.889648829488166E-16 -2.203141815808588E-15 3.355150726655534E-13 -4.743596748259766E-15 7.640761545540905E-14 -9.783709732375236E-16
q -2.203141815808588E-15 4.927764636529372E-15 -7.523103498792762E-13 1.001737972216796E-14 -1.73033722123909E-13 2.297452880888689E-15
tp 3.355150726655534E-13 -7.523103498792762E-13 7.891163626748579E-10 -1.247326984922137E-12 2.247937862061679E-10 -2.647685231529589E-12
node -4.743596748259766E-15 1.001737972216796E-14 -1.247326984922137E-12 6.214515236797819E-10 -6.134653817166831E-10 -2.536445831754935E-11
peri 7.640761545540905E-14 -1.73033722123909E-13 2.247937862061679E-10 -6.134653817166831E-10 6.769657243012285E-10 2.429905061156277E-11
i -9.783709732375236E-16 2.297452880888689E-15 -2.647685231529589E-12 -2.536445831754935E-11 2.429905061156277E-11 1.318299792222621E-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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