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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02535222532842605 6.858e-08  
a 2.683800040137562 3.5486e-08 au
q 2.615759736783556 1.7054e-07 au
i 1.233500823093385 6.1283e-06 deg
node 238.1615061383058 0.00038959 deg
peri 18.08873640283693 0.00044667 deg
M 41.69521165747031 0.00021329 deg
tp 2458414.502399534988
(2018-Oct-23.00239953)
0.0009535 TDB
period 1605.919085325178
4.40
3.1851e-05
8.72e-08
d
yr
n .224170696574731 4.4461e-09 deg/d
Q 2.751840343491569 3.6386e-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 = 1.6003 au 
 Jupiter MOID = 2.23845 au 
 T_jup = 3.374 
[ 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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