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19650 (1999 RY105)
Classification: Main-belt Asteroid          SPK-ID: 2019650
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03171474846465633 3.9967e-08  
a 3.165727635724732 2.2181e-08 au
q 3.065327380050111 1.22e-07 au
i 14.34120250371874 4.7836e-06 deg
node 287.687101526546 1.705e-05 deg
peri 265.3915690468858 8.0373e-05 deg
M 87.36860708197138 7.7059e-05 deg
tp 2458701.199892984431
(2019-Aug-05.69989298)
0.00044216 TDB
period 2057.352686840488
5.63
2.1623e-05
5.92e-08
d
yr
n .1749821517247284 1.8391e-09 deg/d
Q 3.266127891399353 2.2885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1492  
   data-arc span      9746 days (26.68 yr)  
   first obs. used      1994-01-05  
   last obs. used      2020-09-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4885  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:00:20  

Additional Information
 Earth MOID = 2.10591 au 
 Jupiter MOID = 1.91738 au 
 T_jup = 3.154 
[ 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 MPO474024  
diameter diameter 12.317 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 60.708 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 0.088   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19650 (1999 RY105)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RY105 = 1995 YY11 = 1998 MH30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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