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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .266181963134312 2.8048e-08  
a 2.221681943416643 6.8529e-09 au
q 1.630310282257947 6.2986e-08 au
i 6.404532864297341 4.6422e-06 deg
node 68.21976758203077 3.0607e-05 deg
peri 250.193479568134 3.1936e-05 deg
M 139.7074169739186 1.0428e-05 deg
tp 2458531.105261487142
(2019-Feb-16.60526149)
3.3682e-05 TDB
period 1209.542839777615
3.31
5.5963e-06
1.532e-08
d
yr
n .2976331124131072 1.3771e-09 deg/d
Q 2.813053604575338 8.677e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1053  
   data-arc span      9945 days (27.23 yr)  
   first obs. used      1993-01-24  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58376  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:42:44  

Additional Information
 Earth MOID = .631233 au 
 Jupiter MOID = 2.52299 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-August); 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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