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JPL Small-Body Database Browser
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385528 (2004 OR15)
Classification: TransNeptunian Object          SPK-ID: 2385528
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3457486028394702 0.00036132  
a 56.83112454293543 0.036259 au
q 37.18184263441957 0.0031951 au
i 6.900680693860243 0.00053392 deg
node 285.1235782151778 0.00074696 deg
peri 12.98226244333508 0.043957 deg
M 9.328590581412227 0.013664 deg
tp 2454545.495564504369
(2008-Mar-19.99556450)
8.7411 TDB
period 156486.8330364041
428.44
149.76
0.41
d
yr
n .002300513040073166 2.2016e-06 deg/d
Q 76.48040645145129 0.048795 au
  Orbit Determination Parameters
   # obs. used (total)      23  
   data-arc span      3364 days (9.21 yr)  
   first obs. used      2004-07-22  
   last obs. used      2013-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .18897  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 22:42:54  

Additional Information
 Earth MOID = 36.1657 au 
 Jupiter MOID = 32.0449 au 
 T_jup = 6.249 
[ hide covariance matrix ]
Orbital Elements at Epoch 2453676.5 (2005-Nov-02.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3400283657431339 0.00036144  
q 37.19624346530114 0.0031554 au
tp 2454469.225541699868
(2008-Jan-03.72554170)
8.8358 TDB
node 285.2117088289259 0.00074405 deg
peri 12.54821934996701 0.044314 deg
i 6.918084011485169 0.00053519 deg
  Orbit Determination Parameters
   # obs. used (total)      23  
   data-arc span      3364 days (9.21 yr)  
   first obs. used      2004-07-22  
   last obs. used      2013-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .18897  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 22:42:54  

Additional Information
 Jupiter MOID = 32.0449 au 
 T_jup = 6.249 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.306414184089474E-7 1.137291084753284E-6 -.002642802744125056 -6.555112841063267E-9 -1.324867580739027E-5 6.9732973214749E-9
q 1.137291084753284E-6 9.956507930763929E-6 -.02272022650121232 -5.941306850095242E-8 -.0001139059275348626 5.972584144986766E-8
tp -.002642802744125056 -.02272022650121232 78.07145949754445 8.372912997066736E-6 .3914994898709894 -.0002182508483266914
node -6.555112841063267E-9 -5.941306850095242E-8 8.372912997066736E-6 5.536152197986654E-7 -5.071021735416775E-7 3.52002075007652E-7
peri -1.324867580739027E-5 -.0001139059275348626 .3914994898709894 -5.071021735416775E-7 .001963773092789201 -1.443873691461321E-6
i 6.9732973214749E-9 5.972584144986766E-8 -.0002182508483266914 3.52002075007652E-7 -1.443873691461321E-6 2.864250098612764E-7

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.5   n/a MPO201685  

385528 (2004 OR15)          Discovered 2004-Jul-22 by Canada-France Ecliptic Plane Survey at Mauna Kea
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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