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103048 (1999 XW128)
Classification: Main-belt Asteroid          SPK-ID: 2103048
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1612501427886573 4.217e-08  
a 2.202636617254749 7.2598e-09 au
q 1.847461148210895 9.2869e-08 au
i 8.697347366993858 5.4836e-06 deg
node 36.1682886638898 2.471e-05 deg
peri 105.9270874120255 3.0944e-05 deg
M 40.5890763778232 1.6084e-05 deg
tp 2458865.876965033885
(2020-Jan-17.37696503)
5.3425e-05 TDB
period 1194.023045429065
3.27
5.9032e-06
1.616e-08
d
yr
n .301501718394921 1.4906e-09 deg/d
Q 2.557812086298602 8.4305e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1301  
   data-arc span      7552 days (20.68 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47106  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:51:00  

Additional Information
 Earth MOID = .881331 au 
 Jupiter MOID = 2.4835 au 
 T_jup = 3.632 
[ 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 15.58   n/a E2021B55  
diameter diameter 2.050 km 0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 764.351 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.319   0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103048 (1999 XW128)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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