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27891 (1996 HY)
Classification: Main-belt Asteroid          SPK-ID: 2027891
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302134782235716 3.8211e-08  
a 2.640043991312159 1.1106e-08 au
q 2.296274680540162 1.0132e-07 au
i 12.47857679512708 3.6981e-06 deg
node 62.70302511841103 1.7843e-05 deg
peri 124.0763105872996 2.1663e-05 deg
M 252.8076478537206 1.3723e-05 deg
tp 2459467.026665934107
(2021-Sep-09.52666593)
6.0929e-05 TDB
period 1566.805806323637
4.29
9.8867e-06
2.707e-08
d
yr
n .2297668278653538 1.4499e-09 deg/d
Q 2.983813302084155 1.2552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1525  
   data-arc span      8683 days (23.77 yr)  
   first obs. used      1996-04-20  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53189  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:12:12  

Additional Information
 Earth MOID = 1.32002 au 
 Jupiter MOID = 2.04145 au 
 T_jup = 3.350 
[ 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 14.0   n/a MPO416986  
diameter diameter 8.904 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27891 (1996 HY)          Discovered 1996-Apr-20 by Kobayashi, T. at Oizumi
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 HY = 1998 WF17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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