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328 Gudrun (A892 FF)
Classification: Main-belt Asteroid          SPK-ID: 2000328
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .106657143305161 2.1573e-08  
a 3.109702600978516 1.3538e-08 au
q 2.778030605029519 7.2145e-08 au
i 16.12926644494982 8.414e-07 deg
node 351.8889992345829 2.517e-06 deg
peri 106.6851343097564 9.9006e-06 deg
M 249.9494708205206 1.2463e-05 deg
tp 2459812.802942714580
(2022-Aug-21.30294271)
7.0862e-05 TDB
period 2002.980458347049
5.48
1.308e-05
3.581e-08
d
yr
n .1797321578948846 1.1737e-09 deg/d
Q 3.441374596927514 1.4982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3450  
   data-arc span      39946 days (109.37 yr)  
   first obs. used      1911-09-02  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .34858  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:14:13  

Additional Information
 Earth MOID = 1.84567 au 
 Jupiter MOID = 1.75113 au 
 T_jup = 3.150 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.90   n/a E2021B10  
diameter diameter 145.680 km 0.690 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 10.992 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Schmidt, R.E. (2012) Minor Planet Bull. 39, 109.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.025   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

328 Gudrun (A892 FF)          Discovered 1892-Mar-18 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A892 FF = 1947 FH = 1949 SV1 = 1952 DG3 = 1974 JA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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