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19692 (1999 RR220)
Classification: Main-belt Asteroid          SPK-ID: 2019692
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 .06351575971858296 4.9042e-08  
a 2.405664178924849 9.6886e-09 au
q 2.252866590972656 1.1936e-07 au
i 7.310997035053998 3.6418e-06 deg
node 240.1401135179291 3.4739e-05 deg
peri 295.354818290225 4.5861e-05 deg
M 61.54732328909441 2.913e-05 deg
tp 2458967.499100089924
(2020-Apr-27.99910009)
0.00011053 TDB
period 1362.859008077937
3.73
8.2332e-06
2.254e-08
d
yr
n .2641505818769281 1.5958e-09 deg/d
Q 2.558461766877042 1.0304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1489  
   data-arc span      9568 days (26.20 yr)  
   first obs. used      1994-04-06  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51455  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:02:57  

Additional Information
 Earth MOID = 1.26589 au 
 Jupiter MOID = 2.43834 au 
 T_jup = 3.509 
[ 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 14.83   n/a E2021B10  
diameter diameter 3.656 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.191   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19692 (1999 RR220)          Discovered 1999-Sep-05 by CSS at Catalina
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RR220 = 1994 GL11 = 1998 HM95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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