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JPL Small-Body Database Browser
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452181 (2015 RQ89)
Classification: Main-belt Asteroid          SPK-ID: 2452181
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1790460616335825 7.5265e-08  
a 2.393041119735308 2.1257e-08 au
q 1.964576531919482 1.8108e-07 au
i .9779689550605299 8.7393e-06 deg
node 204.7251575694057 0.00028625 deg
peri 188.2668419232051 0.00028695 deg
M 331.0020152730933 1.7097e-05 deg
tp 2458709.415323223810
(2019-Aug-13.91532322)
6.4533e-05 TDB
period 1352.146251880391
3.70
1.8016e-05
4.933e-08
d
yr
n .2662433886122588 3.5475e-09 deg/d
Q 2.821505707551133 2.5063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      6498 days (17.79 yr)  
   first obs. used      2002-02-20  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52551  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 23:09:17  

Additional Information
 Earth MOID = .97003 au 
 Jupiter MOID = 2.60773 au 
 T_jup = 3.509 
[ 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 17.9   n/a MPO361089  

452181 (2015 RQ89)          Discovered 2004-Oct-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-11-30

Alternate Designations
 2015 RQ89 = 2004 TJ341 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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