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JPL Small-Body Database Browser
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80435 (1999 XQ238)
Classification: Main-belt Asteroid          SPK-ID: 2080435
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1182113025912988 4.0173e-08  
a 2.346829514467387 1.1731e-08 au
q 2.069407740602491 9.8465e-08 au
i 9.813425578768845 4.384e-06 deg
node 95.15440567207705 2.3238e-05 deg
peri 295.2793129093499 3.017e-05 deg
M 323.0170543323123 2.1754e-05 deg
tp 2459135.402419123537
(2020-Oct-12.90241912)
7.9858e-05 TDB
period 1313.169354352022
3.60
9.8458e-06
2.696e-08
d
yr
n .2741459041873852 2.0555e-09 deg/d
Q 2.624251288332281 1.3117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      822  
   data-arc span      7176 days (19.65 yr)  
   first obs. used      1999-12-04  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55348  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:59:00  

Additional Information
 Earth MOID = 1.09782 au 
 Jupiter MOID = 2.78483 au 
 T_jup = 3.531 
[ 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 15.4   n/a MPO436343  

80435 (1999 XQ238)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1999 XQ238 = 2001 LE15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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