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19682 (1999 RW194)
Classification: Main-belt Asteroid          SPK-ID: 2019682
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1574800548948337 3.4136e-08  
a 2.683868225836995 1.4483e-08 au
q 2.261212510301685 9.045e-08 au
i 12.26638592408795 4.8701e-06 deg
node 237.590909842707 2.0967e-05 deg
peri 226.3047166196568 2.7206e-05 deg
M 192.0054024941157 1.7679e-05 deg
tp 2459949.933366272528
(2023-Jan-05.43336627)
8.0959e-05 TDB
period 1605.980286649753
4.40
1.2999e-05
3.559e-08
d
yr
n .2241621537901929 1.8144e-09 deg/d
Q 3.106523941372305 1.6763e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1415  
   data-arc span      17131 days (46.90 yr)  
   first obs. used      1973-09-24  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47655  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:02:03  

Additional Information
 Earth MOID = 1.29581 au 
 Jupiter MOID = 2.17377 au 
 T_jup = 3.325 
[ 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 14.06   n/a E2021B10  
diameter diameter 4.772 km 0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.5353 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:
[Clark, M. (2014) Minor Planet Bull. 41, 178-183.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.234   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19682 (1999 RW194)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RW194 = 1991 VU3 = 1998 MC21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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