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JPL Small-Body Database Browser
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56299 (1999 RT47)
Classification: Outer Main-belt Asteroid          SPK-ID: 2056299
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06630923772615904 4.7306e-08  
a 3.203990041116449 2.4919e-08 au
q 2.991535903807812 1.5689e-07 au
i 6.844016404348653 5.2303e-06 deg
node 337.7655385495453 3.7634e-05 deg
peri 1.530522778144215 5.0648e-05 deg
M 133.6001482874562 3.4344e-05 deg
tp 2457823.108831514235
(2017-Mar-10.60883151)
0.00019929 TDB
period 2094.764296613821
5.74
2.4438e-05
6.691e-08
d
yr
n .1718570440511797 2.005e-09 deg/d
Q 3.416444178425086 2.6572e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1175  
   data-arc span      7416 days (20.30 yr)  
   first obs. used      1999-07-14  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54345  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 04:42:21  

Additional Information
 Earth MOID = 1.98159 au 
 Jupiter MOID = 1.92249 au 
 T_jup = 3.179 
[ 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 13.6   n/a MPO452935  
diameter diameter 10.547 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.739 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.044   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56299 (1999 RT47)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RT47 = 2000 ST177 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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