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JPL Small-Body Database Browser
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59124 (1998 XJ19)
Classification: Main-belt Asteroid          SPK-ID: 2059124
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08508831500657377 4.8789e-08  
a 2.176447700397371 6.7265e-09 au
q 1.991257432870626 1.0687e-07 au
i 2.26720796037361 4.4096e-06 deg
node 81.03045602151703 0.00011779 deg
peri 332.9952749252177 0.00012017 deg
M 258.151100415109 2.3762e-05 deg
tp 2459332.298654528886
(2021-Apr-27.79865453)
7.787e-05 TDB
period 1172.791420596935
3.21
5.4369e-06
1.489e-08
d
yr
n .3069599535582932 1.423e-09 deg/d
Q 2.361637967924116 7.2989e-09 au
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      8599 days (23.54 yr)  
   first obs. used      1995-10-21  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55479  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:14:31  

Additional Information
 Earth MOID = 1.00278 au 
 Jupiter MOID = 2.87001 au 
 T_jup = 3.679 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456628.5 (2013-Dec-02.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08529081665896789 4.8826e-08  
q 1.990424918314339 1.0703e-07 au
tp 2456987.138858525961
(2014-Nov-25.63885853)
7.4707e-05 TDB
node 81.06135822754916 0.00011768 deg
peri 332.9001584214272 0.00012005 deg
i 2.268158784046805 4.4128e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      8599 days (23.54 yr)  
   first obs. used      1995-10-21  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55479  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:14:31  

Additional Information
 Jupiter MOID = 2.87001 au 
 T_jup = 3.679 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.38398848760043E-15 -5.217465681174553E-15 -1.546203445888845E-12 2.692922434764028E-14 -5.182890397224478E-13 -1.399260958582119E-15
q -5.217465681174553E-15 1.145540347332762E-14 3.448846069591173E-12 -5.927400583338788E-14 1.150903125661222E-12 3.094236845595465E-15
tp -1.546203445888845E-12 3.448846069591173E-12 5.581087379546254E-9 -2.338660917825007E-11 1.792322665108586E-9 1.467958692919774E-12
node 2.692922434764028E-14 -5.927400583338788E-14 -2.338660917825007E-11 1.38494143252181E-8 -1.384543124914808E-8 -2.463126425914244E-10
peri -5.182890397224478E-13 1.150903125661222E-12 1.792322665108586E-9 -1.384543124914808E-8 1.441111540365725E-8 2.465777471645153E-10
i -1.399260958582119E-15 3.094236845595465E-15 1.467958692919774E-12 -2.463126425914244E-10 2.465777471645153E-10 1.947316299062824E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO337723  

59124 (1998 XJ19)          Discovered 1998-Dec-10 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XJ19 = 1995 YX23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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