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78441 (2002 RQ13)
Classification: Main-belt Asteroid          SPK-ID: 2078441
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949467923143207 4.2424e-08  
a 2.364774068663481 8.3713e-09 au
q 1.90376894942945 1.0185e-07 au
i 2.539631366064525 4.3847e-06 deg
node 164.9153808478223 7.9166e-05 deg
peri 146.3032245569532 7.9972e-05 deg
M 90.81649133504339 8.8342e-06 deg
tp 2459061.422607819204
(2020-Jul-30.92260782)
3.3124e-05 TDB
period 1328.259431869726
3.64
7.0531e-06
1.931e-08
d
yr
n .2710313899245162 1.4392e-09 deg/d
Q 2.825779187897512 1.0003e-08 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      9171 days (25.11 yr)  
   first obs. used      1995-10-18  
   last obs. used      2020-11-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5251  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:45:40  

Additional Information
 Earth MOID = .889548 au 
 Jupiter MOID = 2.44606 au 
 T_jup = 3.521 
[ 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 16.76   n/a E2021B10  

78441 (2002 RQ13)          Discovered 2002-Sep-04 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 RQ13 = 1995 UW54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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