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JPL Small-Body Database Browser
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34781 (2001 RK63)
Classification: Main-belt Asteroid          SPK-ID: 2034781
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08750469211004101 4.8657e-08  
a 3.173234577033415 2.4032e-08 au
q 2.89556166237717 1.5362e-07 au
i 22.87951605192198 5.318e-06 deg
node 161.2997686360738 1.0921e-05 deg
peri 193.393590455133 2.5298e-05 deg
M 62.39997623052942 2.35e-05 deg
tp 2458242.623140806368
(2018-May-04.12314081)
0.00013403 TDB
period 2064.674974133632
5.65
2.3454e-05
6.421e-08
d
yr
n .1743615845157717 1.9807e-09 deg/d
Q 3.45090749168966 2.6135e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1294  
   data-arc span      7684 days (21.04 yr)  
   first obs. used      1998-01-26  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52272  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:43:44  

Additional Information
 Earth MOID = 1.89121 au 
 Jupiter MOID = 1.9772 au 
 T_jup = 3.073 
[ 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 13.3   n/a MPO452657  
diameter diameter 12.310 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.280 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.074   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34781 (2001 RK63)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 RK63 = 2000 SM5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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