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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456775.5 (2014-Apr-28.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1646177789920832 4.2834e-08  
q 2.306511734023236 1.1851e-07 au
tp 2456005.791857567196
(2012-Mar-19.29185757)
5.5479e-05 TDB
node 96.85347825031329 2.5633e-05 deg
peri 305.5222027985512 2.8059e-05 deg
i 10.33680770984013 4.2059e-06 deg
  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
 Jupiter MOID = 2.208 au 
 T_jup = 3.298 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.834785163071259E-15 -5.049619181465287E-15 -4.689503315510471E-14 -1.495115214158518E-15 -1.482720127593033E-14 -9.599322793491325E-16
q -5.049619181465287E-15 1.404455414611067E-14 2.389231743554857E-13 5.305277547012688E-15 7.473629307888311E-14 2.687615602056334E-15
tp -4.689503315510471E-14 2.389231743554857E-13 3.077897388806802E-9 -3.956601828969165E-12 6.612128770290542E-10 9.705331820848394E-14
node -1.495115214158518E-15 5.305277547012688E-15 -3.956601828969165E-12 6.570445350338304E-10 -6.466434330897296E-10 -2.609309209092253E-11
peri -1.482720127593033E-14 7.473629307888311E-14 6.612128770290542E-10 -6.466434330897296E-10 7.873020716759298E-10 2.56883937361928E-11
i -9.599322793491325E-16 2.687615602056334E-15 9.705331820848394E-14 -2.609309209092253E-11 2.56883937361928E-11 1.768988628509414E-11

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

[ show close-approach data ]
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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