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78827 (2003 QS18)
Classification: Main-belt Asteroid          SPK-ID: 2078827
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09490793049924452 2.9499e-08  
a 2.272565955420028 8.8027e-09 au
q 2.056881423668075 6.8336e-08 au
i 4.844511567177984 3.9456e-06 deg
node 136.8923996429863 4.4872e-05 deg
peri 322.1906037252989 5.1688e-05 deg
M 213.7020885198217 2.6723e-05 deg
tp 2459509.020888252527
(2021-Oct-21.52088825)
9.4132e-05 TDB
period 1251.333788149897
3.43
7.2705e-06
1.991e-08
d
yr
n .2876930227643432 1.6715e-09 deg/d
Q 2.488250487171982 9.6381e-09 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      9348 days (25.59 yr)  
   first obs. used      1995-03-28  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51917  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:23  

Additional Information
 Earth MOID = 1.07617 au 
 Jupiter MOID = 2.6171 au 
 T_jup = 3.601 
[ 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 16.3   n/a MPO337850  

78827 (2003 QS18)          Discovered 2003-Aug-22 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2003 QS18 = 1995 FZ16 = 1998 BP15 = 2000 UN87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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