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66996 (1999 XJ113)
Classification: Main-belt Asteroid          SPK-ID: 2066996
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1694156290306605 4.3022e-08  
a 2.607851563119419 9.5399e-09 au
q 2.166040750134951 1.089e-07 au
i 15.79007634901209 2.9841e-06 deg
node 287.5045418652509 1.841e-05 deg
peri 44.92239053823707 2.3917e-05 deg
M 57.56180532497779 1.4374e-05 deg
tp 2458954.545578320613
(2020-Apr-15.04557832)
6.1229e-05 TDB
period 1538.235142290744
4.21
8.4407e-06
2.311e-08
d
yr
n .2340344399256716 1.2842e-09 deg/d
Q 3.049662376103886 1.1156e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1735  
   data-arc span      12591 days (34.47 yr)  
   first obs. used      1986-09-13  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44351  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:26:36  

Additional Information
 Earth MOID = 1.17874 au 
 Jupiter MOID = 2.32258 au 
 T_jup = 3.338 
[ 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 14.22   n/a E2021B10  
diameter diameter 6.414 km 0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 16.2723 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 0.108   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66996 (1999 XJ113)          Discovered 1999-Dec-11 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XJ113 = 1986 RH16 = 2000 YR103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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