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JPL Small-Body Database Browser
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344508 (2002 RQ78)
Classification: Main-belt Asteroid          SPK-ID: 2344508
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1983962396582379 8.9829e-08  
a 2.180179282671824 1.4258e-08 au
q 1.747639911208939 2.0011e-07 au
i 1.371780783928355 5.6439e-06 deg
node 228.295493646796 0.00028732 deg
peri 113.3407255894901 0.00029219 deg
M 64.30740339967188 3.8677e-05 deg
tp 2458390.463287182010
(2018-Sep-28.96328718)
0.00012638 TDB
period 1175.808890067269
3.22
1.1534e-05
3.158e-08
d
yr
n .3061722045488227 3.0034e-09 deg/d
Q 2.612718654134708 1.7086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      6849 days (18.75 yr)  
   first obs. used      1999-11-12  
   last obs. used      2018-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49562  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:57:01  

Additional Information
 Earth MOID = .739043 au 
 Jupiter MOID = 2.78191 au 
 T_jup = 3.655 
[ 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 18.2   n/a MPO455508  

344508 (2002 RQ78)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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