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66592 (1999 RU174)
Classification: Main-belt Asteroid          SPK-ID: 2066592
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2044487830427611 3.6118e-08  
a 2.75840830390252 1.1969e-08 au
q 2.194455083034603 9.8582e-08 au
i 13.23327393445758 4.25e-06 deg
node 160.9697536509265 1.6945e-05 deg
peri 280.1835537008256 1.9647e-05 deg
M 162.1145787644354 1.0555e-05 deg
tp 2458446.960841915668
(2018-Nov-24.46084192)
4.7455e-05 TDB
period 1673.347943028253
4.58
1.0891e-05
2.982e-08
d
yr
n .2151375638879438 1.4002e-09 deg/d
Q 3.322361524770437 1.4416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1899  
   data-arc span      10356 days (28.35 yr)  
   first obs. used      1992-03-03  
   last obs. used      2020-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45155  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:23:35  

Additional Information
 Earth MOID = 1.25484 au 
 Jupiter MOID = 2.07208 au 
 T_jup = 3.274 
[ 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 13.95   n/a E2021B10  
diameter diameter 4.012 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.72946 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.229   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66592 (1999 RU174)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RU174 = 2000 WF25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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