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43141 (1999 XR91)
Classification: Main-belt Asteroid          SPK-ID: 2043141
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1049631770557112 2.42e-08  
a 2.516473978335295 9.5587e-09 au
q 2.252336874591197 5.9833e-08 au
i 11.39719105283376 6.3707e-07 deg
node 106.1077182410695 4.1948e-06 deg
peri 193.0963705524458 9.5216e-06 deg
M 259.1544234761266 1.1819e-05 deg
tp 2459608.952393298784
(2022-Jan-29.45239330)
4.9196e-05 TDB
period 1458.099270747413
3.99
8.3078e-06
2.275e-08
d
yr
n .2468967698032426 1.4067e-09 deg/d
Q 2.780611082079392 1.0562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2367  
   data-arc span      10692 days (29.27 yr)  
   first obs. used      1991-12-14  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47822  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:24:07  

Additional Information
 Earth MOID = 1.2358 au 
 Jupiter MOID = 2.40286 au 
 T_jup = 3.424 
[ 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 13.81   n/a MPCxxxxx  
diameter diameter 4.942 km 0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.54161 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 0.199   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43141 (1999 XR91)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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