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JPL Small-Body Database Browser
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13697 (1998 HJ133)
Classification: Main-belt Asteroid          SPK-ID: 2013697
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2377062765732072 3.2626e-08  
a 2.462184893496839 9.2574e-09 au
q 1.876908090228907 7.8015e-08 au
i 8.41862444848031 3.1474e-06 deg
node 153.8242798277153 2.8095e-05 deg
peri 200.8004794721789 2.9325e-05 deg
M 103.9338073780836 1.0729e-05 deg
tp 2458593.088056259984
(2019-Apr-19.58805626)
4.0621e-05 TDB
period 1411.170276990482
3.86
7.9587e-06
2.179e-08
d
yr
n .255107413945644 1.4387e-09 deg/d
Q 3.047461696764771 1.1458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1996  
   data-arc span      25733 days (70.45 yr)  
   first obs. used      1949-08-20  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49661  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:43:14  

Additional Information
 Earth MOID = .874131 au 
 Jupiter MOID = 2.39527 au 
 T_jup = 3.435 
[ 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 13.8   n/a MPO502272  
diameter diameter 4.333 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.342   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13697 (1998 HJ133)          Discovered 1998-Apr-19 by LINEAR at Socorro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HJ133 = 1949 QA1 = 1949 QJ2 = 1949 QO1 = 1980 TA2 = 1999 NU46 = 4237 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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