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22017 (1999 XT104)
Classification: Main-belt Asteroid          SPK-ID: 2022017
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1189100124365764 1.2331e-08  
a 3.054791788909976 1.5266e-08 au
q 2.691546459299539 3.5665e-08 au
i 11.21008592002341 2.3467e-07 deg
node 84.52576081152512 4.0165e-06 deg
peri 299.465192292431 1.1118e-05 deg
M 41.31728663743752 9.0743e-06 deg
tp 2458976.679355981311
(2020-May-07.17935598)
4.8631e-05 TDB
period 1950.162714066488
5.34
1.4619e-05
4.002e-08
d
yr
n .1845999810186743 1.3838e-09 deg/d
Q 3.418037118520413 1.7082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2117  
   data-arc span      10509 days (28.77 yr)  
   first obs. used      1992-06-05  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48301  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:57:42  

Additional Information
 Earth MOID = 1.71699 au 
 Jupiter MOID = 2.05691 au 
 T_jup = 3.196 
[ 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 12.9   n/a MPO449115  
diameter diameter 8.415 km 0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.249   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22017 (1999 XT104)          Discovered 1999-Dec-10 by Kobayashi, T. at Oizumi
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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