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452174 (2015 RO81)
Classification: Main-belt Asteroid          SPK-ID: 2452174
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0250477526575192 6.8774e-08  
a 2.68337323823549 3.5301e-08 au
q 2.616160769076361 1.7089e-07 au
i 1.233503882932031 6.128e-06 deg
node 238.1616824016044 0.00038963 deg
peri 17.83826825228264 0.00044785 deg
M 131.6569677220187 0.00021464 deg
tp 2458413.333322651508
(2018-Oct-21.83332265)
0.00096373 TDB
period 1605.536019117243
4.40
3.1683e-05
8.674e-08
d
yr
n .2242241816523901 4.4247e-09 deg/d
Q 2.750585707394619 3.6185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      5694 days (15.59 yr)  
   first obs. used      2004-01-30  
   last obs. used      2019-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57254  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:56:43  

Additional Information
 Earth MOID = 1.60106 au 
 Jupiter MOID = 2.23831 au 
 T_jup = 3.375 
[ 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 17.4   n/a MPO350661  

452174 (2015 RO81)          Discovered 2004-Jan-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-11-30

Alternate Designations
 2015 RO81 = 2004 CJ31 = 2005 JO184 = 2013 CD99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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