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16948 (1998 HA133)
Classification: Main-belt Asteroid          SPK-ID: 2016948
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09900835089094684 5.1841e-08  
a 3.122627779582075 1.7838e-08 au
q 2.813461552679395 1.606e-07 au
i 16.23276816950651 6.2169e-06 deg
node 205.9302089987144 1.2398e-05 deg
peri 194.2691119674367 2.3941e-05 deg
M 188.3381494800359 2.2088e-05 deg
tp 2460161.558987582102
(2023-Aug-05.05898758)
0.0001276 TDB
period 2015.481217763754
5.52
1.727e-05
4.728e-08
d
yr
n .1786173926241954 1.5305e-09 deg/d
Q 3.431794006484756 1.9604e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1591  
   data-arc span      9279 days (25.40 yr)  
   first obs. used      1995-10-19  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48184  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:47:52  

Additional Information
 Earth MOID = 1.82169 au 
 Jupiter MOID = 2.01273 au 
 T_jup = 3.147 
[ 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 13.19   n/a E2021B10  
diameter diameter 13.213 km 0.416 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 24.6071 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 0.064   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16948 (1998 HA133)          Discovered 1998-Apr-19 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HA133 = 1995 UY22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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