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134565 (1999 RK208)
Classification: Main-belt Asteroid          SPK-ID: 2134565
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2340509280347669 5.8423e-08  
a 2.392094256935211 1.1491e-08 au
q 1.832222376152888 1.3558e-07 au
i 8.216415155484189 5.1844e-06 deg
node 320.6669764502708 3.4578e-05 deg
peri 89.34062096332288 3.6487e-05 deg
M 186.4226392196326 1.2155e-05 deg
tp 2459652.063037677361
(2022-Mar-13.56303768)
4.8539e-05 TDB
period 1351.343818740561
3.70
9.7373e-06
2.666e-08
d
yr
n .266401484957038 1.9196e-09 deg/d
Q 2.951966137717533 1.4181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      721  
   data-arc span      7445 days (20.38 yr)  
   first obs. used      1999-09-06  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48619  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:29:45  

Additional Information
 Earth MOID = .864469 au 
 Jupiter MOID = 2.50068 au 
 T_jup = 3.480 
[ 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 15.6   n/a MPO475173  
diameter diameter 1.911 km 0.448 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.367   0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134565 (1999 RK208)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 1999 RK208 = 2000 AB145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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