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JPL Small-Body Database Browser
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34384 (2000 RW61)
Classification: Main-belt Asteroid          SPK-ID: 2034384
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09325243720786032 4.2838e-08  
a 3.028644113026989 1.9135e-08 au
q 2.746215668051983 1.3779e-07 au
i 9.794470471776934 4.783e-06 deg
node 78.80787054323888 2.6378e-05 deg
peri 255.0608999590328 3.7996e-05 deg
M 267.5048257098132 2.8146e-05 deg
tp 2459095.137873814514
(2020-Sep-02.63787381)
0.00015122 TDB
period 1925.17756671893
5.27
1.8245e-05
4.995e-08
d
yr
n .1869957380677078 1.7722e-09 deg/d
Q 3.311072558001993 2.092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1532  
   data-arc span      7762 days (21.25 yr)  
   first obs. used      1998-05-22  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51557  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:54:30  

Additional Information
 Earth MOID = 1.75558 au 
 Jupiter MOID = 2.00995 au 
 T_jup = 3.215 
[ 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 13.1   n/a MPO299203  
diameter diameter 8.646 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.003 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 0.113   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34384 (2000 RW61)          Discovered 2000-Sep-01 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 RW61 = 1998 KT4 = 1999 SZ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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