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JPL Small-Body Database Browser
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59931 (1999 RZ179)
Classification: Main-belt Asteroid          SPK-ID: 2059931
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05088430945657744 4.0642e-08  
a 3.072729522551063 1.9413e-08 au
q 2.916375802649214 1.2094e-07 au
i 10.65719955482416 4.9143e-06 deg
node 124.9956200041965 2.792e-05 deg
peri 342.0495390805163 6.5944e-05 deg
M 122.2144196793184 5.9464e-05 deg
tp 2457932.610100504397
(2017-Jun-28.11010050)
0.0003238 TDB
period 1967.364934917786
5.39
1.8644e-05
5.104e-08
d
yr
n .1829858780191403 1.7341e-09 deg/d
Q 3.229083242452913 2.04e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1261  
   data-arc span      7184 days (19.67 yr)  
   first obs. used      1999-09-09  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50872  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:16:13  

Additional Information
 Earth MOID = 1.93503 au 
 Jupiter MOID = 1.84902 au 
 T_jup = 3.202 
[ 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 13.8   n/a MPO474479  
diameter diameter 6.731 km 0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.529 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.155   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59931 (1999 RZ179)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RZ179 = 2001 BY54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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