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JPL Small-Body Database Browser
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71145 (1999 XA183)
Classification: Main-belt Asteroid          SPK-ID: 2071145
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1333612173425418 7.0314e-08  
a 2.543806677611094 1.4858e-08 au
q 2.204561522400792 1.8221e-07 au
i 15.28779033373055 5.4303e-06 deg
node 45.80556529880865 1.5566e-05 deg
peri 315.8816483687062 2.3012e-05 deg
M 337.5924329188868 1.8497e-05 deg
tp 2458692.739467241075
(2019-Jul-28.23946724)
7.6312e-05 TDB
period 1481.919392970412
4.06
1.2984e-05
3.555e-08
d
yr
n .2429281927935387 2.1284e-09 deg/d
Q 2.883051832821397 1.684e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1347  
   data-arc span      23323 days (63.85 yr)  
   first obs. used      1954-10-31  
   last obs. used      2018-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50292  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:13:33  

Additional Information
 Earth MOID = 1.22839 au 
 Jupiter MOID = 2.62081 au 
 T_jup = 3.382 
[ 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 13.5   n/a MPO359240  
diameter diameter 6.136 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 12.0 h n/a LCDB (Rev. 2019-January); 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:
[Kim, M.-J.; Choi, Y.-J.; Moon, H.-K.; Byun, Y.-I.; et al. (2014) Astron. J. 147, A56.]
geometric albedo albedo 0.246   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71145 (1999 XA183)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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