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109792 (2001 RN91)
Classification: Main-belt Asteroid          SPK-ID: 2109792
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1185762231534707 5.7448e-08  
a 2.694509895146606 1.4537e-08 au
q 2.375005088530467 1.5053e-07 au
i 14.53157339573958 5.53e-06 deg
node 7.698668223393694 1.7697e-05 deg
peri 8.532494022392838 2.7933e-05 deg
M 68.65230050825241 1.9261e-05 deg
tp 2458692.414899841541
(2019-Jul-27.91489984)
8.6611e-05 TDB
period 1615.541434677971
4.42
1.3074e-05
3.579e-08
d
yr
n .2228355102955063 1.8033e-09 deg/d
Q 3.014014701762744 1.6261e-08 au
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      6730 days (18.43 yr)  
   first obs. used      2001-08-26  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52547  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:33:23  

Additional Information
 Earth MOID = 1.37648 au 
 Jupiter MOID = 2.45407 au 
 T_jup = 3.314 
[ 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 15.1   n/a MPO453559  
diameter diameter 2.452 km 0.629 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 16. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Kim, M.-J.; Choi, Y.-J.; Moon, H.-K.; Byun, Y.-I.; et al. (2014) Astron. J. 147, A56.]
geometric albedo albedo 0.294   0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109792 (2001 RN91)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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