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59842 (1999 RT55)
Classification: Main-belt Asteroid          SPK-ID: 2059842
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2744774690218245 4.0894e-08  
a 2.594101644023723 1.4506e-08 au
q 1.882079190386737 1.0342e-07 au
i 5.663620381391663 4.2467e-06 deg
node 140.2242390376854 5.8142e-05 deg
peri 187.3679106897037 5.9161e-05 deg
M 349.3893302726712 1.3787e-05 deg
tp 2459045.479974634790
(2020-Jul-14.97997463)
5.8657e-05 TDB
period 1526.085655726187
4.18
1.2801e-05
3.505e-08
d
yr
n .2358976369702487 1.9787e-09 deg/d
Q 3.306124097660708 1.8488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      8206 days (22.47 yr)  
   first obs. used      1996-11-12  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58088  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:40:44  

Additional Information
 Earth MOID = .870759 au 
 Jupiter MOID = 2.05661 au 
 T_jup = 3.357 
[ 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 15.4   n/a MPO474478  
diameter diameter 3.171 km 0.688 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.076   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59842 (1999 RT55)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RT55 = 1996 XM24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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