Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .106008449127039 3.7211e-08  
a 3.113032480354194 1.5664e-08 au
q 2.783024735029746 1.1552e-07 au
i 16.11255487835729 5.0208e-06 deg
node 351.9273719042502 1.5001e-05 deg
peri 106.143865240356 2.7963e-05 deg
M 214.5575128107843 2.353e-05 deg
tp 2459811.018061066973
(2022-Aug-19.51806107)
0.0001315 TDB
period 2006.19851614959
5.49
1.5142e-05
4.146e-08
d
yr
n .1794438571766728 1.3544e-09 deg/d
Q 3.443040225678641 1.7324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3156  
   data-arc span      39786 days (108.93 yr)  
   first obs. used      1911-09-02  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35686  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:14:13  

Additional Information
 Earth MOID = 1.85111 au 
 Jupiter MOID = 1.75188 au 
 T_jup = 3.149 
[ 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 8.8   n/a MPO435697  
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. 2019-August); Warner et al., 2009 Published Reference List:
[Schmidt, R.E. (2012) Minor Planet Bull. 39, 109.]
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-22 13:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin