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152214 (2005 RJ9)
Classification: Main-belt Asteroid          SPK-ID: 2152214
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2331060986920043 7.0387e-08  
a 2.453375218714961 1.9227e-08 au
q 1.881478492852674 1.6508e-07 au
i 11.41997463428209 6.9872e-06 deg
node 45.50503843060577 2.378e-05 deg
peri 336.1002250051663 2.6581e-05 deg
M 328.5676723723337 1.7991e-05 deg
tp 2459323.051443201024
(2021-Apr-18.55144320)
7.1359e-05 TDB
period 1403.603324417384
3.84
1.65e-05
4.517e-08
d
yr
n .2564827211060012 3.0151e-09 deg/d
Q 3.025271944577248 2.3709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      8493 days (23.25 yr)  
   first obs. used      1996-04-23  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .574  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:17:11  

Additional Information
 Earth MOID = .89026 au 
 Jupiter MOID = 2.43863 au 
 T_jup = 3.430 
[ 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 15.8   n/a MPO432969  
diameter diameter 3.721 km 0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

152214 (2005 RJ9)          Discovered 2005-Sep-02 by NEAT at Palomar
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2005 RJ9 = 2000 HM101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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