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452307 Manawydan (1997 XV11)
Classification: Amor [NEO]          SPK-ID: 2452307
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3180407803580325 1.4924e-07  
a 1.86695309618328 1.7604e-08 au
q 1.273185876581304 2.8697e-07 au
i 44.26500691994487 2.0948e-05 deg
node 241.2472250821777 1.7653e-05 deg
peri 270.1570320265492 3.5128e-05 deg
M 239.1015030129236 3.2078e-05 deg
tp 2459313.408195934175
(2021-Apr-08.90819593)
8.6264e-05 TDB
period 931.7481469463145
2.55
1.3178e-05
3.608e-08
d
yr
n .3863705027800206 5.4647e-09 deg/d
Q 2.460720315785255 2.3203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      7882 days (21.58 yr)  
   first obs. used      1997-12-05  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47234  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:56:55  

Additional Information
 Earth MOID = .583137 au 
 Jupiter MOID = 3.19948 au 
 T_jup = 3.600 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.2   n/a MPO477164  

452307 Manawydan           Discovered 1997 Dec. 5 by ODAS at Caussols.
In Welsh mythology, Manawydan ab Llŷr (son of Llŷr) was a scholar, a magician and a peaceful man.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-03-12Last Updated: 2017-04-19

Alternate Designations
 1997 XV11 = 2006 KU38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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