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145453 (2005 RR43)
Classification: TransNeptunian Object          SPK-ID: 2145453
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1414848778608481 8.9308e-06  
a 43.25069842302355 0.00071103 au
q 37.13137863924569 0.00026404 au
i 28.54710342437515 3.1695e-05 deg
node 85.80979851296762 3.0979e-05 deg
peri 278.792452481548 0.0033749 deg
M 50.80552791559612 0.0036358 deg
tp 2444734.386334714703
(1981-May-09.88633471)
0.69694 TDB
period 103893.4371132156
284.44
2.562
0.007014
d
yr
n .003465088941158986 8.5448e-08 deg/d
Q 49.37001820680142 0.00081163 au
  Orbit Determination Parameters
   # obs. used (total)      513  
   data-arc span      16157 days (44.24 yr)  
   first obs. used      1976-11-18  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .38058  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:56:56  

Additional Information
 Earth MOID = 36.2511 au 
 Jupiter MOID = 32.7832 au 
 T_jup = 5.134 
[ 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 4.17   n/a MPCxxxxx  
rotation period rot_per 7.87 h n/a LCDB (Rev. 2020-October); 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.]

145453 (2005 RR43)          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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