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19622 (1999 RY2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2019622
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713009079571383 3.2056e-08  
a 3.234144424185683 1.9719e-08 au
q 2.680132547858159 1.0853e-07 au
i 12.33469956157932 4.2161e-06 deg
node 176.674346923159 1.5912e-05 deg
peri 83.77217836662142 1.9885e-05 deg
M 309.9718734913149 1.3131e-05 deg
tp 2459495.722382216091
(2021-Oct-08.22238222)
7.8249e-05 TDB
period 2124.406109418114
5.82
1.9429e-05
5.319e-08
d
yr
n .169459124789754 1.5498e-09 deg/d
Q 3.788156300513207 2.3097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1494  
   data-arc span      10040 days (27.49 yr)  
   first obs. used      1993-09-18  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52717  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:59:52  

Additional Information
 Earth MOID = 1.70008 au 
 Jupiter MOID = 1.46782 au 
 T_jup = 3.126 
[ 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 13.45   n/a E2021B10  
diameter diameter 11.343 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19622 (1999 RY2)          Discovered 1999-Sep-06 by Korlevic, K. at Visnjan
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RY2 = 1997 HG4 = 1998 MG12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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