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27133 (1998 XQ9)
Classification: Main-belt Asteroid          SPK-ID: 2027133
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2583282868928449 3.8078e-08  
a 2.255039072514578 5.1673e-09 au
q 1.672498692035457 8.4779e-08 au
i 4.201728570857852 3.1393e-06 deg
node 227.9343265741817 5.024e-05 deg
peri 96.78211529320272 5.0523e-05 deg
M 198.7794919784224 6.3374e-06 deg
tp 2459554.420346949989
(2021-Dec-05.92034695)
2.2686e-05 TDB
period 1236.8856006539
3.39
4.2514e-06
1.164e-08
d
yr
n .291053594455041 1.0004e-09 deg/d
Q 2.837579452993699 6.5021e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1390  
   data-arc span      13025 days (35.66 yr)  
   first obs. used      1984-08-23  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48901  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:08:42  

Additional Information
 Earth MOID = .667278 au 
 Jupiter MOID = 2.52492 au 
 T_jup = 3.576 
[ 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 15.3   n/a MPO474121  

27133 (1998 XQ9)          Discovered 1998-Dec-14 by Korlevic, K. at Visnjan
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XQ9 = 1997 GS19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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