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103093 (1999 XD166)
Classification: Main-belt Asteroid          SPK-ID: 2103093
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1808828042725386 3.19e-08  
a 2.6340793982182 1.1746e-08 au
q 2.157619729991971 8.8654e-08 au
i 12.40788989090421 5.9211e-06 deg
node 27.91897032490407 1.3992e-05 deg
peri 63.29615604989902 2.259e-05 deg
M 305.341636956259 1.8246e-05 deg
tp 2459437.580502713190
(2021-Aug-11.08050271)
7.9954e-05 TDB
period 1561.499031876363
4.28
1.0444e-05
2.859e-08
d
yr
n .2305476933709071 1.5421e-09 deg/d
Q 3.110539066444428 1.387e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1148  
   data-arc span      7755 days (21.23 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-12-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44445  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:18  

Additional Information
 Earth MOID = 1.2046 au 
 Jupiter MOID = 2.24457 au 
 T_jup = 3.342 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.86   n/a E2021B55  
diameter diameter 6.483 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.50 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:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) Ap. J. Supp. Ser. 241, A6.]
geometric albedo albedo 0.033   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

103093 (1999 XD166)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 XD166 = 2001 FC48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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