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109876 (2001 RT154)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109876
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1594770369549992 4.47e-08  
a 3.214406046785817 3.2581e-08 au
q 2.701782094874183 1.3945e-07 au
i 11.57106966075873 5.1607e-06 deg
node 72.61896882033471 2.7118e-05 deg
peri 199.0422338494751 3.2278e-05 deg
M 161.0615284746869 1.9181e-05 deg
tp 2458058.743021810252
(2017-Nov-01.24302181)
0.00010883 TDB
period 2104.987549535104
5.76
3.2004e-05
8.762e-08
d
yr
n .1710223892200729 2.6002e-09 deg/d
Q 3.727029998697452 3.7777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      551  
   data-arc span      7095 days (19.43 yr)  
   first obs. used      2000-06-24  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63118  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:08:06  

Additional Information
 Earth MOID = 1.68873 au 
 Jupiter MOID = 1.38252 au 
 T_jup = 3.139 
[ 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 14.5   n/a MPO366468  
diameter diameter 7.687 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109876 (2001 RT154)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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