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JPL Small-Body Database Browser
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100572 (1997 HJ2)
Classification: Main-belt Asteroid          SPK-ID: 2100572
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1042640990219445 4.9542e-08  
a 2.707436979691957 1.6781e-08 au
q 2.425148502345681 1.3871e-07 au
i 4.616945036033941 4.8981e-06 deg
node 95.10683762224026 6.9741e-05 deg
peri 153.8064994837282 7.4433e-05 deg
M 49.85422218091266 2.5288e-05 deg
tp 2458775.161496585655
(2019-Oct-18.66149659)		 0.0001141 TDB
period 1627.181363592165
4.45		 1.5129e-05
4.142e-08		 d
yr
n .2212414719434004 2.057e-09 deg/d
Q 2.989725457038234 1.8531e-08 au
   Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      10422 days (28.53 yr)  
   first obs. used      1990-12-19  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66067  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:07:45  

Additional Information
 Earth MOID = 1.41207 au 
 Jupiter MOID = 2.03527 au 
 T_jup = 3.352 
[ 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 15.8   n/a MPO432533  
diameter diameter 2.762 km 0.592 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.133   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100572 (1997 HJ2)          Discovered 1997-Apr-29 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 HJ2 = 2001 FF60 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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