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JPL Small-Body Database Browser
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109869 (2001 RH149)
Classification: Main-belt Asteroid          SPK-ID: 2109869
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06276046814811714 4.0676e-08  
a 3.024262812918594 2.9836e-08 au
q 2.834458662976882 1.2432e-07 au
i 10.03875917821732 5.6281e-06 deg
node 139.3800878613364 4.2815e-05 deg
peri 141.855132925037 8.2337e-05 deg
M 198.8777328865133 7.2053e-05 deg
tp 2459460.267024485972
(2021-Sep-02.76702449)
0.00038871 TDB
period 1921.0015745182
5.26
2.8428e-05
7.783e-08
d
yr
n .1874022409847793 2.7732e-09 deg/d
Q 3.214066962860307 3.1709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      493  
   data-arc span      6307 days (17.27 yr)  
   first obs. used      2001-09-10  
   last obs. used      2018-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61092  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:55:02  

Additional Information
 Earth MOID = 1.82515 au 
 Jupiter MOID = 1.96655 au 
 T_jup = 3.219 
[ 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 14.8   n/a MPO436527  
diameter diameter 4.406 km 0.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.120   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109869 (2001 RH149)          Discovered 2001-Sep-10 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RH149 = 2004 CH79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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