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180787 (2004 RY189)
Classification: Main-belt Asteroid          SPK-ID: 2180787
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .165159313082829 4.2374e-08  
a 3.197426694119326 2.945e-08 au
q 2.669341897685877 1.3647e-07 au
i 17.99747459909952 4.9689e-06 deg
node 205.9174531466431 1.5214e-05 deg
peri 176.3795518891288 2.1007e-05 deg
M 297.1028061570879 1.72e-05 deg
tp 2459565.361543093055
(2021-Dec-16.86154309)
0.00010276 TDB
period 2088.330933197929
5.72
2.8852e-05
7.899e-08
d
yr
n .1723864710698511 2.3817e-09 deg/d
Q 3.725511490552775 3.4314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      7975 days (21.83 yr)  
   first obs. used      1998-08-24  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55818  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:58  

Additional Information
 Earth MOID = 1.67192 au 
 Jupiter MOID = 1.7327 au 
 T_jup = 3.098 
[ 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 14.59   n/a E2021B55  
diameter diameter 5.796 km 0.945 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.091   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

180787 (2004 RY189)          Discovered 2004-Sep-10 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2004 RY189 = 1998 QL82 = 1999 XX261 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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