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47343 (1999 XL45)
Classification: Mars-crossing Asteroid          SPK-ID: 2047343
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2660677951791434 3.0829e-08  
a 2.22124550457788 7.2694e-09 au
q 1.630243610623259 6.9847e-08 au
i 6.405136431759557 4.7347e-06 deg
node 68.22084551968831 3.3587e-05 deg
peri 250.1495149378011 3.4898e-05 deg
M 20.69680065675533 1.0097e-05 deg
tp 2458530.982525594611
(2019-Feb-16.48252559)
3.3722e-05 TDB
period 1209.186443885057
3.31
5.9359e-06
1.625e-08
d
yr
n .2977208368656015 1.4615e-09 deg/d
Q 2.8122473985325 9.2035e-09 au
  Orbit Determination Parameters
   # obs. used (total)      994  
   data-arc span      9810 days (26.86 yr)  
   first obs. used      1993-01-24  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59676  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:02:55  

Additional Information
 Earth MOID = .630341 au 
 Jupiter MOID = 2.52082 au 
 T_jup = 3.594 
[ 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 15.3   n/a MPO257188  
diameter diameter 2.704 km 0.550 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 9.19636 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.251   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

47343 (1999 XL45)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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