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56044 (1998 XU17)
Classification: Main-belt Asteroid          SPK-ID: 2056044
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1718208709592949 3.797e-08  
a 2.405363450252241 1.105e-08 au
q 1.992071807256246 9.2901e-08 au
i 3.14168525064076 4.9919e-06 deg
node 139.9084324842614 7.9658e-05 deg
peri 270.2949986339883 8.1211e-05 deg
M 207.4842777575196 1.7088e-05 deg
tp 2459177.773475572353
(2020-Nov-24.27347557)
6.6841e-05 TDB
period 1362.603462452497
3.73
9.3896e-06
2.571e-08
d
yr
n .2642001212532148 1.8206e-09 deg/d
Q 2.818655093248235 1.2949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      8557 days (23.43 yr)  
   first obs. used      1995-01-07  
   last obs. used      2018-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55038  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 01:18:45  

Additional Information
 Earth MOID = 1.00503 au 
 Jupiter MOID = 2.55089 au 
 T_jup = 3.501 
[ 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 15.5   n/a MPO337703  
diameter diameter 2.020 km 0.533 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.273   0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56044 (1998 XU17)          Discovered 1998-Dec-15 by Zoltowski, F. B. at Woomera
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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