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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
2581 Radegast (1980 VX)
Classification: Main-belt Asteroid          SPK-ID: 2002581
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09760588755803309 4.0153e-08  
a 2.236945749327552 7.0458e-09 au
q 2.018606674045266 8.857e-08 au
i 2.493259208136417 4.323e-06 deg
node 260.5915714816024 9.0042e-05 deg
peri 192.9240510075781 9.234e-05 deg
M 146.3604928387639 2.146e-05 deg
tp 2458103.675542705263
(2017-Dec-16.17554271)
7.2307e-05 TDB
period 1222.029259105739
3.35
5.7736e-06
1.581e-08
d
yr
n .2945919644047166 1.3918e-09 deg/d
Q 2.455284824609836 7.7335e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2096  
   data-arc span      33412 days (91.48 yr)  
   first obs. used      1928-02-27  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47315  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:25:42  

Additional Information
 Earth MOID = 1.03545 au 
 Jupiter MOID = 2.67605 au 
 T_jup = 3.630 
[ 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 13.0   n/a MPO435721  
diameter diameter 6.739 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.753 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Hess, K.; Bruner, M.; Ditteon, R. (2017) Minor Planet Bull. 44, 3-5.]
geometric albedo albedo 0.245   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2581 Radegast (1980 VX)          Discovered 1980-Nov-11 by Vavrova, Z. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1980 VX = 1928 DV = 1960 YA = 1973 SU5 = 1975 EH5 = 1978 CB = 1979 MQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin