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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1605380568702696 3.68e-08  
a 2.762627790699076 1.2446e-08 au
q 2.31912089332444 1.046e-07 au
i 10.33994540919848 3.6879e-06 deg
node 96.78771892804212 2.2751e-05 deg
peri 306.1168756848583 2.5674e-05 deg
M 7.197263162119674 1.3231e-05 deg
tp 2459362.968971626663
(2021-May-28.46897163)
6.155e-05 TDB
period 1677.188945644491
4.59
1.1334e-05
3.103e-08
d
yr
n .2146448680900787 1.4505e-09 deg/d
Q 3.206134688073711 1.4444e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1292  
   data-arc span      8069 days (22.09 yr)  
   first obs. used      1998-12-14  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52189  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 17:54:48  

Additional Information
 Earth MOID = 1.34565 au 
 Jupiter MOID = 2.21145 au 
 T_jup = 3.299 
[ 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 14.09   n/a E2021B10  

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

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