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25340 Segoves (1999 RX31)
Classification: Inner Main-belt Asteroid          SPK-ID: 2025340
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07437297464799213 7.595e-08  
a 1.967815046304411 9.8868e-09 au
q 1.821462787753676 1.4524e-07 au
i 20.26611846492434 7.3653e-06 deg
node 16.31985385566561 1.5317e-05 deg
peri .2202474981747339 4.1895e-05 deg
M 24.45145162011783 4.3589e-05 deg
tp 2458532.017912739064
(2019-Feb-17.51791274)
0.00012181 TDB
period 1008.26534951622
2.76
7.5987e-06
2.08e-08
d
yr
n .3570488663254501 2.6909e-09 deg/d
Q 2.114167304855147 1.0622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      10450 days (28.61 yr)  
   first obs. used      1988-10-08  
   last obs. used      2017-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56676  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 18:23:21  

Additional Information
 Earth MOID = .822223 au 
 Jupiter MOID = 3.13409 au 
 T_jup = 3.795 
[ 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 15.9   n/a MPO452524  
diameter diameter 1.278 km 0.269 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.358   0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

25340 Segoves           Discovered 1999 Sept. 10 by M. Tichy and Z. Moravec at Klet.
Segoves or Segovesus or Sigoves (? 400 B.C.), was a Celtic prince, the first known Celt in the history of the area of the Central European basin. Together with his brother Belloves, he was mentioned by Titus Livius and the Welsh chronicle.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030318/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1999 RX31 = 1998 FM91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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