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79850 (1998 XD17)
Classification: Main-belt Asteroid          SPK-ID: 2079850
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1785558214852287 3.9547e-08  
a 2.694723353747505 1.378e-08 au
q 2.213564811643689 1.0246e-07 au
i 5.875596767911135 4.2192e-06 deg
node 104.5077281326126 4.364e-05 deg
peri 255.7450800008993 4.6415e-05 deg
M 87.69110593608661 1.3325e-05 deg
tp 2459002.929305916353
(2020-Jun-02.42930592)
5.9442e-05 TDB
period 1615.733412843259
4.42
1.2394e-05
3.393e-08
d
yr
n .2228090334323755 1.7091e-09 deg/d
Q 3.175881895851321 1.6241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      614  
   data-arc span      9539 days (26.12 yr)  
   first obs. used      1994-12-31  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52929  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:44:00  

Additional Information
 Earth MOID = 1.21823 au 
 Jupiter MOID = 2.29596 au 
 T_jup = 3.340 
[ 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 15.93   n/a MPCxxxxx  
diameter diameter 4.404 km 0.381 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79850 (1998 XD17)          Discovered 1998-Dec-08 by ODAS at Caussols
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1998 XD17 = 1994 YJ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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