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11622 Samuele (1996 RD4)
Classification: Main-belt Asteroid          SPK-ID: 2011622
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1605974647295033 1.7136e-08  
a 2.71781092954217 1.243e-08 au
q 2.281337384643563 4.8353e-08 au
i 13.33714042151953 5.6857e-07 deg
node 48.44201571410946 3.9643e-06 deg
peri 254.0524449109697 1.0386e-05 deg
M 230.8944059532891 1.2905e-05 deg
tp 2459787.407754466002
(2022-Jul-26.90775447)
6.0393e-05 TDB
period 1636.542499710092
4.48
1.1227e-05
3.074e-08
d
yr
n .2199759554449535 1.5091e-09 deg/d
Q 3.154284474440777 1.4426e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1811  
   data-arc span      13999 days (38.33 yr)  
   first obs. used      1982-11-07  
   last obs. used      2021-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4902  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 22:44:31  

Additional Information
 Earth MOID = 1.30697 au 
 Jupiter MOID = 2.14983 au 
 T_jup = 3.303 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.71   n/a E2021B10  
rotation period rot_per 2.67246 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

11622 Samuele           Discovered 1996 Sept. 9 by A. Boattini and L. Tesi at San Marcello Pistoiese.
Samuele Marconi (b. 1975) is a very active amateur astronomer at the San Marcello Observatory who spends much of his time giving public lectures on astronomy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001013/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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