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90103 (2002 XK25)
Classification: Main-belt Asteroid          SPK-ID: 2090103
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08537489113615689 4.454e-08  
a 2.702846985260837 1.4364e-08 au
q 2.472091718136503 1.2106e-07 au
i 6.293658365598862 3.8512e-06 deg
node 68.49466434315559 4.5834e-05 deg
peri 302.4656145780241 5.212e-05 deg
M 122.5173005043803 2.417e-05 deg
tp 2458844.135784763646
(2019-Dec-26.63578476)
0.00010886 TDB
period 1623.045208035563
4.44
1.2938e-05
3.542e-08
d
yr
n .2218052819586724 1.7681e-09 deg/d
Q 2.933602252385171 1.559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      7675 days (21.01 yr)  
   first obs. used      2000-05-07  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49483  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:37:12  

Additional Information
 Earth MOID = 1.47863 au 
 Jupiter MOID = 2.48248 au 
 T_jup = 3.353 
[ 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 15.49   n/a MPCxxxxx  
diameter diameter 4.446 km 0.237 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90103 (2002 XK25)          Discovered 2002-Dec-05 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2002 XK25 = 2000 JB94 = 2004 ET5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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