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16949 (1998 HS133)
Classification: Main-belt Asteroid          SPK-ID: 2016949
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09598556258178467 3.3832e-08  
a 2.984369863849446 1.5152e-08 au
q 2.697913443515732 1.0328e-07 au
i 10.60185965627038 3.8462e-06 deg
node 159.140685551661 1.8709e-05 deg
peri 216.0192198167506 2.7338e-05 deg
M 359.0260052776818 2.1529e-05 deg
tp 2459401.594851128846
(2021-Jul-06.09485113)
0.00011263 TDB
period 1883.1173972062
5.16
1.4341e-05
3.926e-08
d
yr
n .1911723616032103 1.4559e-09 deg/d
Q 3.270826284183159 1.6607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1939  
   data-arc span      11032 days (30.20 yr)  
   first obs. used      1990-10-09  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .493  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:05:35  

Additional Information
 Earth MOID = 1.70432 au 
 Jupiter MOID = 2.20358 au 
 T_jup = 3.225 
[ 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 13.48   n/a E2021B10  
diameter diameter 6.456 km 0.339 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.203   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16949 (1998 HS133)          Discovered 1998-Apr-19 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HS133 = 1990 TP4 = 1999 NG44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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