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14409 (1991 RM1)
Classification: Main-belt Asteroid          SPK-ID: 2014409
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2154066726363102 5.9267e-08  
a 3.196633728835138 4.6367e-08 au
q 2.50805749366976 1.8174e-07 au
i 27.89194584439973 1.0505e-05 deg
node 36.56349260640637 1.5377e-05 deg
peri 258.4618240716794 2.981e-05 deg
M 134.789351404923 2.7232e-05 deg
tp 2456618.888706376512
(2013-Nov-22.38870638)
0.00015407 JED
period 2087.554118864753
5.72
4.542e-05
1.244e-07
d
yr
n .1724506190027658 3.7521e-09 deg/d
Q 3.885209964000516 5.6355e-08 au
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      22987 days (62.93 yr)  
   first obs. used      1953-01-10  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46043  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:27:25  

Additional Information
 Earth MOID = 1.65221 au 
 Jupiter MOID = 1.72074 au 
 T_jup = 2.981 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.0 mag n/a MPO358771  
rotation period rot_per 8.6912 h n/a LCDB (Rev. 2015-December); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

14409 (1991 RM1)          Discovered 1991-Sep-05 by McNaught, R. H. at Siding Spring
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RM1 = 2000 DK 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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