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120827 (1998 HZ115)
Classification: Main-belt Asteroid          SPK-ID: 2120827
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 .07105266379815765 5.1823e-08  
a 2.78372599126134 2.343e-08 au
q 2.585934844298055 1.4963e-07 au
i 8.000178258320666 5.2034e-06 deg
node 123.050077976724 3.8867e-05 deg
peri 85.98806249011356 5.3827e-05 deg
M 319.1440138579013 4.0192e-05 deg
tp 2459393.026869955388
(2021-Jun-27.52686996)
0.00019035 TDB
period 1696.438630629988
4.64
2.1417e-05
5.864e-08
d
yr
n .2122092679923887 2.6791e-09 deg/d
Q 2.981517138224625 2.5094e-08 au
  Orbit Determination Parameters
   # obs. used (total)      462  
   data-arc span      8314 days (22.76 yr)  
   first obs. used      1998-04-21  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55479  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:37:25  

Additional Information
 Earth MOID = 1.59553 au 
 Jupiter MOID = 2.02344 au 
 T_jup = 3.314 
[ 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 15.2   n/a MPO453678  
diameter diameter 4.535 km 0.360 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.103   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120827 (1998 HZ115)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1998 HZ115 = 2002 AG151 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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