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434356 (2004 RK245)
Classification: Main-belt Asteroid          SPK-ID: 2434356
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0464860086652619 7.6675e-07  
a 2.530037722024305 2.6676e-08 au
q 2.412426366554844 1.9374e-06 au
i 9.060233548894995 1.309e-05 deg
node 161.5003879186881 7.3072e-05 deg
peri 172.5276720767282 0.00074946 deg
M 343.0852604195559 0.00071329 deg
tp 2459069.564001365677
(2020-Aug-08.06400137)
0.0029126 TDB
period 1469.903829934751
4.02
2.3247e-05
6.365e-08
d
yr
n .2449139819004215 3.8734e-09 deg/d
Q 2.647649077493766 2.7916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      5355 days (14.66 yr)  
   first obs. used      2004-09-10  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 09:47:55  

Additional Information
 Earth MOID = 1.40282 au 
 Jupiter MOID = 2.52442 au 
 T_jup = 3.432 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457372.5 (2015-Dec-16.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04689789614865904 7.8433e-07  
q 2.410635992518287 1.9858e-06 au
tp 2457606.561758803939
(2016-Aug-06.06175880)
0.0027839 TDB
node 161.5830179570233 7.3124e-05 deg
peri 174.1292725373475 0.00071829 deg
i 9.057924087832829 1.3103e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      5355 days (14.66 yr)  
   first obs. used      2004-09-10  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 09:47:55  

Additional Information
 Jupiter MOID = 2.52442 au 
 T_jup = 3.432 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.151805285098837E-13 -1.557391391534128E-12 2.163336011212881E-9 1.135420612064204E-11 5.560612531871401E-10 4.829069164756342E-12
q -1.557391391534128E-12 3.943302273120049E-12 -5.472688107700087E-9 -2.873598782638305E-11 -1.406787857789143E-9 -1.221901662443618E-11
tp 2.163336011212881E-9 -5.472688107700087E-9 7.750099973156727E-6 3.999674756823937E-8 1.989791526145419E-6 1.712996132709109E-8
node 1.135420612064204E-11 -2.873598782638305E-11 3.999674756823937E-8 5.347107186793209E-9 5.207907266584374E-9 7.384252491109407E-10
peri 5.560612531871401E-10 -1.406787857789143E-9 1.989791526145419E-6 5.207907266584374E-9 5.159362719793239E-7 3.759746807262805E-9
i 4.829069164756342E-12 -1.221901662443618E-11 1.712996132709109E-8 7.384252491109407E-10 3.759746807262805E-9 1.716816538391672E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO477034  

434356 (2004 RK245)          Discovered 2004-Sep-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2004 RK245 = 2008 RL139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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