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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1042640684773011 4.022e-08  
a 2.707436988461168 1.4669e-08 au
q 2.425148592898275 1.0913e-07 au
i 4.616942377991031 4.5293e-06 deg
node 95.10687566643264 6.3651e-05 deg
peri 153.8064608635379 6.8716e-05 deg
M 49.85421882515404 2.5028e-05 deg
tp 2458775.161510658725
(2019-Oct-18.66151066)
0.00011306 TDB
period 1627.181371497665
4.45
1.3224e-05
3.621e-08
d
yr
n .2212414708685206 1.798e-09 deg/d
Q 2.989725384024061 1.6198e-08 au
  Orbit Determination Parameters
   # obs. used (total)      419  
   data-arc span      10815 days (29.61 yr)  
   first obs. used      1990-12-19  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65467  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:03:19  

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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