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74376 (1998 XT7)
Classification: Main-belt Asteroid          SPK-ID: 2074376
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1270235771396481 7.5627e-08  
a 2.685457122019412 2.0345e-08 au
q 2.344340752125362 2.0473e-07 au
i 15.03050922850375 7.9951e-06 deg
node 50.94103411677519 2.3557e-05 deg
peri 140.9674409039574 3.8649e-05 deg
M 183.2538786470502 2.6074e-05 deg
tp 2459789.674696568355
(2022-Jul-29.17469657)
0.00011547 TDB
period 1607.406649661489
4.40
1.8266e-05
5.001e-08
d
yr
n .2239632392187839 2.5451e-09 deg/d
Q 3.026573491913462 2.2929e-08 au
  Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      7204 days (19.72 yr)  
   first obs. used      1998-10-24  
   last obs. used      2018-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56858  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:14:52  

Additional Information
 Earth MOID = 1.35874 au 
 Jupiter MOID = 1.97721 au 
 T_jup = 3.314 
[ 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 15.1   n/a MPO259798  
diameter diameter 2.914 km 0.458 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.228   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74376 (1998 XT7)          Discovered 1998-Dec-09 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XT7 = 2002 SV62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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