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65977 (1998 HZ69)
Classification: Main-belt Asteroid          SPK-ID: 2065977
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08764309124364722 5.037e-08  
a 2.615103805458833 1.5064e-08 au
q 2.385908024025396 1.3284e-07 au
i 11.57876870757401 6.2315e-06 deg
node 210.1513223031117 1.9781e-05 deg
peri 332.0815229261812 3.5298e-05 deg
M 107.7004490757221 2.7664e-05 deg
tp 2458538.388433079726
(2019-Feb-23.88843308)
0.00011872 TDB
period 1544.656178493127
4.23
1.3347e-05
3.654e-08
d
yr
n .2330615738391661 2.0138e-09 deg/d
Q 2.844299586892271 1.6385e-08 au
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      7710 days (21.11 yr)  
   first obs. used      1998-04-01  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57422  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:27:15  

Additional Information
 Earth MOID = 1.39217 au 
 Jupiter MOID = 2.13547 au 
 T_jup = 3.373 
[ 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 15.0   n/a MPO436241  
diameter diameter 3.837 km 0.195 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.158   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65977 (1998 HZ69)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HZ69 = 2000 VT16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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