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103066 (1999 XO141)
Classification: Mars-crossing Asteroid          SPK-ID: 2103066
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1745275163628918 2.2542e-08  
a 1.670339725925812 2.2235e-09 au
q 1.378819482077707 3.8344e-08 au
i 2.937232237658634 2.6932e-06 deg
node 111.2924593597008 5.2948e-05 deg
peri 192.4745905049787 5.3791e-05 deg
M 52.5026975524335 9.6737e-06 deg
tp 2459085.503463849858
(2020-Aug-24.00346385)
2.1187e-05 TDB
period 788.5071614216937
2.16
1.5745e-06
4.311e-09
d
yr
n .456558947861568 9.1164e-10 deg/d
Q 1.961859969773918 2.6116e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1007  
   data-arc span      8348 days (22.86 yr)  
   first obs. used      1998-01-25  
   last obs. used      2020-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52411  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:14  

Additional Information
 Earth MOID = .361717 au 
 Jupiter MOID = 3.23607 au 
 T_jup = 4.229 
[ 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 17.79   n/a E2021B55  
rotation period rot_per 5.53 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]

103066 (1999 XO141)          Discovered 1999-Dec-15 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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