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JPL Small-Body Database Browser
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136967 (1998 RQ39)
Classification: Main-belt Asteroid          SPK-ID: 2136967
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949722005211848 1.1607e-07  
a 2.467155500497 2.0453e-08 au
q 1.986128763537155 2.7341e-07 au
i 3.222130288684117 5.0228e-06 deg
node 77.61756548430321 8.7576e-05 deg
peri 302.08710458 8.9387e-05 deg
M 93.80974573210207 2.9225e-05 deg
tp 2458231.659442580947
(2018-Apr-23.15944258)
0.00011068 TDB
period 1415.445694203822
3.88
1.7601e-05
4.819e-08
d
yr
n .2543368505582246 3.1627e-09 deg/d
Q 2.948182237456845 2.444e-08 au
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      7461 days (20.43 yr)  
   first obs. used      1998-08-23  
   last obs. used      2019-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59104  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:41:48  

Additional Information
 Earth MOID = .990168 au 
 Jupiter MOID = 2.50999 au 
 T_jup = 3.458 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO459645  

136967 (1998 RQ39)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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