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452180 (2015 RK89)
Classification: Main-belt Asteroid          SPK-ID: 2452180
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0971106426736781 1.1821e-07  
a 2.993473834313491 9.0547e-08 au
q 2.702775666436469 3.6743e-07 au
i 10.10988567639261 1.0177e-05 deg
node 271.4605431983292 8.6156e-05 deg
peri 57.87934425638007 0.00011781 deg
M 1.723943179406992 7.0155e-05 deg
tp 2458991.440962171460
(2020-May-21.94096217)
0.00036878 TDB
period 1891.740781964793
5.18
8.5832e-05
2.35e-07
d
yr
n .1903009140745478 8.6343e-09 deg/d
Q 3.284172002190514 9.934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      6656 days (18.22 yr)  
   first obs. used      2002-03-12  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:26:28  

Additional Information
 Earth MOID = 1.70708 au 
 Jupiter MOID = 2.01527 au 
 T_jup = 3.225 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO437750  
diameter diameter 4.253 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

452180 (2015 RK89)          Discovered 2010-Jul-28 by WISE at WISE
Reference: Last Updated: 2015-11-30

Alternate Designations
 2015 RK89 = 2010 OY101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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