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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09818099064525421 1.3869e-08  
a 2.23580793554667 5.3065e-09 au
q 2.016294097542177 3.2419e-08 au
i 2.493358547555966 9.0734e-07 deg
node 260.5852840663027 1.912e-05 deg
peri 193.3674424040948 1.5955e-05 deg
M 322.7198153182935 9.6232e-06 deg
tp 2459326.952005376881
(2021-Apr-22.45200538)
3.273e-05 TDB
period 1221.097007011754
3.34
4.3473e-06
1.19e-08
d
yr
n .2948168719870874 1.0496e-09 deg/d
Q 2.455321773551162 5.8275e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2798  
   data-arc span      33980 days (93.03 yr)  
   first obs. used      1928-02-27  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42436  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:58:23  

Additional Information
 Earth MOID = 1.03286 au 
 Jupiter MOID = 2.67324 au 
 T_jup = 3.631 
[ 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 13.13   n/a E2021B10  
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. 2020-October); 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 ]
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