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JPL Small-Body Database Browser
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136951 (1998 RQ3)
Classification: Inner Main-belt Asteroid          SPK-ID: 2136951
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 .1216783861067318 4.54e-08  
a 1.914485454197515 7.8767e-09 au
q 1.681533953905948 8.4835e-08 au
i 17.74188636828503 8.3397e-06 deg
node 343.1157223526018 1.505e-05 deg
peri 92.41568892988768 4.0953e-05 deg
M 210.9897786112765 3.4792e-05 deg
tp 2459000.988539417500
(2020-May-31.48853942)
9.3991e-05 TDB
period 967.5569423804002
2.65
5.9711e-06
1.635e-08
d
yr
n .372071124945186 2.2962e-09 deg/d
Q 2.147436954489082 8.8351e-09 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      7718 days (21.13 yr)  
   first obs. used      1998-09-14  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62899  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 16:05:35  

Additional Information
 Earth MOID = .797547 au 
 Jupiter MOID = 3.06573 au 
 T_jup = 3.865 
[ 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 17.0   n/a MPO310108  

136951 (1998 RQ3)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 1998 RQ3 = 2005 GK9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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