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145451 (2005 RM43)
Classification: TransNeptunian Object          SPK-ID: 2145451
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6104889610978348 3.6428e-05  
a 90.01647671854806 0.0090791 au
q 35.06241136495422 0.00026081 au
i 28.81398642522928 4.8044e-05 deg
node 84.60920793021033 4.3723e-05 deg
peri 318.0022371190212 0.00062838 deg
M 6.623828077514041 0.0010637 deg
tp 2453260.815858466975
(2004-Sep-12.31585847)
0.10366 TDB
period 311947.4519524936
854.07
47.195
0.1292
d
yr
n .001154040521077327 1.746e-07 deg/d
Q 144.9705420721419 0.014622 au
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      15777 days (43.20 yr)  
   first obs. used      1976-11-17  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .32862  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:30:19  

Additional Information
 Earth MOID = 34.1262 au 
 Jupiter MOID = 30.3224 au 
 T_jup = 5.831 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 4.4   n/a MPO432911  
rotation period rot_per 6.71 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:
[Thirouin, A.; Ortiz, J.L.; Duffard, R.; Santos-Sanz, P.; et al. (2010) Astron. Astrophys. 522, A93.]

145451 (2005 RM43)          Discovered 2005-Sep-09 by Becker, A. C., Puckett, A. W., Kubica, J. at Apache Point
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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