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JPL Small-Body Database Browser
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452204 (2015 RK194)
Classification: Main-belt Asteroid          SPK-ID: 2452204
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1558118154512382 1.3845e-07  
a 2.606326955865719 4.7883e-08 au
q 2.200230421212782 3.3585e-07 au
i 7.726809861134232 1.1097e-05 deg
node 20.9223666366983 3.7996e-05 deg
peri 207.2716772149564 5.1625e-05 deg
M 78.16496240586169 2.7656e-05 deg
tp 2458266.803698629245
(2018-May-28.30369863)
0.00012317 TDB
period 1536.886410431677
4.21
4.2353e-05
1.16e-07
d
yr
n .234239822511596 6.4551e-09 deg/d
Q 3.012423490518656 5.5344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      6767 days (18.53 yr)  
   first obs. used      2001-03-24  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70177  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:48:01  

Additional Information
 Earth MOID = 1.19425 au 
 Jupiter MOID = 1.98479 au 
 T_jup = 3.382 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457674.5 (2016-Oct-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1556363675331713 1.3816e-07  
q 2.200896937606881 3.347e-07 au
tp 2458267.818181274042
(2018-May-29.31818127)
0.00012458 TDB
node 20.94127030039991 3.7969e-05 deg
peri 207.5401341156737 5.1877e-05 deg
i 7.729619979079741 1.11e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      6767 days (18.53 yr)  
   first obs. used      2001-03-24  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70177  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:48:01  

Additional Information
 Jupiter MOID = 1.98479 au 
 T_jup = 3.382 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.908682463052352E-14 -4.604586819684542E-14 -1.317560762837859E-11 2.285873930903444E-13 -4.136185919551987E-12 -5.260574782454097E-15
q -4.604586819684542E-14 1.120239345769033E-13 3.135048884390141E-11 -5.56716807578119E-13 9.814316703261166E-12 1.555290030640935E-14
tp -1.317560762837859E-11 3.135048884390141E-11 1.552108359529967E-8 -1.842260731907824E-10 4.372770435991665E-9 7.110127954344203E-12
node 2.285873930903444E-13 -5.56716807578119E-13 -1.842260731907824E-10 1.44167651489821E-9 -1.479955243462934E-9 -5.638654456643861E-11
peri -4.136185919551987E-12 9.814316703261166E-12 4.372770435991665E-9 -1.479955243462934E-9 2.691184584013075E-9 5.757987480543003E-11
i -5.260574782454097E-15 1.555290030640935E-14 7.110127954344203E-12 -5.638654456643861E-11 5.757987480543003E-11 1.232093014463218E-10

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 17.0   n/a MPO440874  

452204 (2015 RK194)          Discovered 2007-Oct-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-11-30

[ show close-approach data ]
Alternate Designations
 2015 RK194 = 2011 UD350 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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