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109724 (2001 RS55)
Classification: Main-belt Asteroid          SPK-ID: 2109724
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1261511734644966 4.5392e-08  
a 2.453699875324306 1.3437e-08 au
q 2.144162756722456 1.1552e-07 au
i 10.39150494491057 4.7057e-06 deg
node 144.8658746139301 2.7404e-05 deg
peri 283.4151296114306 3.5312e-05 deg
M 250.2762160980859 2.64e-05 deg
tp 2459428.386774867572
(2021-Aug-01.88677487)
0.00010499 TDB
period 1403.881943134833
3.84
1.1532e-05
3.157e-08
d
yr
n .2564318187582988 2.1064e-09 deg/d
Q 2.763236993926157 1.5132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      7868 days (21.54 yr)  
   first obs. used      1999-01-14  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63798  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:35:00  

Additional Information
 Earth MOID = 1.18631 au 
 Jupiter MOID = 2.51541 au 
 T_jup = 3.461 
[ 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 15.8   n/a MPO436527  
diameter diameter 1.768 km 0.269 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.356   0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109724 (2001 RS55)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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