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100569 (1997 HR)
Classification: Main-belt Asteroid          SPK-ID: 2100569
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05781556556386473 3.9884e-08  
a 2.547940918851869 1.2568e-08 au
q 2.400630273605135 1.0031e-07 au
i 4.732363873060168 3.3139e-06 deg
node 41.42369055906485 5.3116e-05 deg
peri 265.4388827816539 6.0695e-05 deg
M 207.7251957826907 3.0009e-05 deg
tp 2459828.859240456813
(2022-Sep-06.35924046)		 0.00012497 TDB
period 1485.533524256792
4.07		 1.0992e-05
3.009e-08		 d
yr
n .2423371765912229 1.7931e-09 deg/d
Q 2.695251564098603 1.3295e-08 au
   Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      8660 days (23.71 yr)  
   first obs. used      1997-04-28  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5566  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:40  

Additional Information
 Earth MOID = 1.38953 au 
 Jupiter MOID = 2.42822 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 15.7   n/a MPO532308  
diameter diameter 2.167 km 0.350 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.216   0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100569 (1997 HR)          Discovered 1997-Apr-28 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 HR = 2002 PY99 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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