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74399 (1998 XR73)
Classification: Main-belt Asteroid          SPK-ID: 2074399
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1608778911460813 4.2432e-08  
a 2.764820639141153 1.5165e-08 au
q 2.320022125318964 1.167e-07 au
i 10.34099625461457 4.2036e-06 deg
node 96.79596118981661 2.5577e-05 deg
peri 305.8531746607192 2.8187e-05 deg
M 282.4786567826101 1.4066e-05 deg
tp 2459362.091039200498
(2021-May-27.59103920)
6.7139e-05 TDB
period 1679.186256449931
4.60
1.3816e-05
3.783e-08
d
yr
n .2143895584049728 1.7639e-09 deg/d
Q 3.209619152963342 1.7605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1059  
   data-arc span      7856 days (21.51 yr)  
   first obs. used      1998-12-14  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54875  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:49:39  

Additional Information
 Earth MOID = 1.34712 au 
 Jupiter MOID = 2.208 au 
 T_jup = 3.298 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO436303  

74399 (1998 XR73)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2175-May-20 16:07 00:07 Europ 0.0285483551584723 0.0285229857626775 0.0285737258463112 2.71831562864896 2.7183154916899 2515602.171728270 6.840175122372 1299.37699015942 49.9604145670312 -13.5093486437071 20191.6281308809 T 21 CATAB v2.0f-lin.ifort 2020-Jun-23 23:49:52 2020-Jun-23 23:49

Alternate Designations
 1998 XR73 = 1999 BX16 = 2000 FA47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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