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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456478.5 (2013-Jul-05.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1064052144877341 2.154e-08  
q 2.779846083716173 7.172e-08 au
tp 2455787.373902737664
(2011-Aug-13.87390274)
6.4129e-05 TDB
node 352.3547548971989 2.5361e-06 deg
peri 103.5598292044791 9.8815e-06 deg
i 16.11485795614929 8.37e-07 deg
  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
 Jupiter MOID = 1.75113 au 
 T_jup = 3.150 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.639843509054404E-16 -1.526144369306968E-15 -6.368477665027569E-13 5.790937187747931E-15 -8.370526176509713E-14 -1.936391273520975E-15
q -1.526144369306968E-15 5.143786187198774E-15 2.02261124310275E-12 -1.811402126784026E-14 2.762373812966896E-13 6.252862170474643E-15
tp -6.368477665027569E-13 2.02261124310275E-12 4.112525681372414E-9 1.647718095289495E-11 6.078657204239593E-10 1.073391965413122E-11
node 5.790937187747931E-15 -1.811402126784026E-14 1.647718095289495E-11 6.431776930996486E-12 -3.107623152522791E-12 -1.536525193025995E-12
peri -8.370526176509713E-14 2.762373812966896E-13 6.078657204239593E-10 -3.107623152522791E-12 9.764452443930802E-11 3.388182169077985E-12
i -1.936391273520975E-15 6.252862170474643E-15 1.073391965413122E-11 -1.536525193025995E-12 3.388182169077985E-12 7.005741604039179E-13

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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