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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2378416815016457 8.7361e-09  
a 2.462063967170679 7.8043e-09 au
q 1.876482533254192 1.9919e-08 au
i 8.419485430307086 2.8138e-07 deg
node 153.8226178477383 4.3051e-06 deg
peri 200.8090405346803 7.6723e-06 deg
M 154.9354376201759 4.3849e-06 deg
tp 2458593.210618441706
(2019-Apr-19.71061844)
1.5456e-05 TDB
period 1411.066317164592
3.86
6.7093e-06
1.837e-08
d
yr
n .2551262088966783 1.2131e-09 deg/d
Q 3.047645401087166 9.6605e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2209  
   data-arc span      26140 days (71.57 yr)  
   first obs. used      1949-08-20  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49341  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:05:16  

Additional Information
 Earth MOID = .871987 au 
 Jupiter MOID = 2.39589 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 13.81   n/a E2021B10  
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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