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66485 (1999 RX41)
Classification: Main-belt Asteroid          SPK-ID: 2066485
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0826286068312823 1.8442e-08  
a 2.604286907070747 1.0867e-08 au
q 2.389098308150542 4.7243e-08 au
i 13.87133730072409 7.1165e-07 deg
node 348.7063592380504 4.0392e-06 deg
peri 263.4728255146612 1.2151e-05 deg
M 122.8979094144669 1.2178e-05 deg
tp 2458676.448868885536
(2019-Jul-11.94886889)
5.0786e-05 TDB
period 1535.082314256186
4.20
9.6081e-06
2.631e-08
d
yr
n .2345151114417181 1.4678e-09 deg/d
Q 2.819475505990952 1.1765e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2057  
   data-arc span      7831 days (21.44 yr)  
   first obs. used      1999-09-05  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42611  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:22:34  

Additional Information
 Earth MOID = 1.4232 au 
 Jupiter MOID = 2.29462 au 
 T_jup = 3.367 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.92   n/a E2021B10  
diameter diameter 4.715 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 25.2777 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 0.219   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66485 (1999 RX41)          Discovered 1999-Sep-13 by Korlevic, K. at Visnjan
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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