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35600 (1998 HY121)
Classification: Main-belt Asteroid          SPK-ID: 2035600
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06715457470235665 5.1482e-08  
a 2.62507564186315 1.6032e-08 au
q 2.448789803572315 1.3577e-07 au
i 13.82204142306823 4.8594e-06 deg
node 83.55970720612312 2.1174e-05 deg
peri 134.5834874550338 3.8425e-05 deg
M 336.1979490321297 3.1739e-05 deg
tp 2458703.212438555630
(2019-Aug-07.71243856)
0.00013713 TDB
period 1553.499651351061
4.25
1.4232e-05
3.897e-08
d
yr
n .2317348444120422 2.1229e-09 deg/d
Q 2.801361480153986 1.7109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      976  
   data-arc span      7689 days (21.05 yr)  
   first obs. used      1998-04-23  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50043  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:54:56  

Additional Information
 Earth MOID = 1.45509 au 
 Jupiter MOID = 2.24503 au 
 T_jup = 3.358 
[ 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 14.5   n/a MPO436014  
diameter diameter 3.278 km 0.642 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.286   0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35600 (1998 HY121)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HY121 = 2000 YO69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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