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227971 (2007 HY36)
Classification: Main-belt Asteroid          SPK-ID: 2227971
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07317145472702766 4.8886e-08  
a 2.990609191630649 3.0052e-08 au
q 2.771781966559014 1.4429e-07 au
i 10.61629347869927 6.719e-06 deg
node 36.27406596960354 2.1264e-05 deg
peri 220.4415651571064 4.5973e-05 deg
M 201.8514939796233 4.3225e-05 deg
tp 2460030.351752343789
(2023-Mar-26.85175234)
0.00023164 TDB
period 1889.025943787745
5.17
2.8473e-05
7.795e-08
d
yr
n .1905744075055701 2.8725e-09 deg/d
Q 3.209436416702284 3.225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      439  
   data-arc span      6357 days (17.40 yr)  
   first obs. used      2003-08-23  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52036  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:51  

Additional Information
 Earth MOID = 1.76594 au 
 Jupiter MOID = 1.82289 au 
 T_jup = 3.226 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO454638  
diameter diameter 3.989 km 1.547 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227971 (2007 HY36)          Discovered 2007-Apr-19 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2007 HY36 = 2006 BR268 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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