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245408 (2005 JO)
Classification: Main-belt Asteroid          SPK-ID: 2245408
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05771580132939215 5.3296e-08  
a 2.918092335483207 3.9633e-08 au
q 2.749672297987636 1.5773e-07 au
i 3.30013224857518 6.2758e-06 deg
node 184.3819256280267 0.00011618 deg
peri 164.0144188522952 0.00013135 deg
M 247.8439853884014 6.0486e-05 deg
tp 2459567.740249648232
(2021-Dec-19.24024965)
0.00030554 TDB
period 1820.735968378871
4.98
3.7093e-05
1.016e-07
d
yr
n .1977222432314188 4.0281e-09 deg/d
Q 3.086512372978778 4.192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      6896 days (18.88 yr)  
   first obs. used      2000-04-10  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58659  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:42:36  

Additional Information
 Earth MOID = 1.7431 au 
 Jupiter MOID = 2.17136 au 
 T_jup = 3.276 
[ 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 16.4   n/a MPO433607  
diameter diameter 3.444 km 0.628 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.82 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.031   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245408 (2005 JO)          Discovered 2005-May-03 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

Alternate Designations
 2005 JO = 2007 VQ141 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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