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120822 (1998 HK96)
Classification: Main-belt Asteroid          SPK-ID: 2120822
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2406026147750296 8.0628e-08  
a 2.59596890296296 1.4303e-08 au
q 1.971371997035406 2.0532e-07 au
i 5.549630235399229 5.3135e-06 deg
node 176.5487655858299 8.1101e-05 deg
peri 66.09387708570966 8.2672e-05 deg
M 86.28648086501165 1.0938e-05 deg
tp 2458634.325656427897
(2019-May-30.82565643)
4.7765e-05 TDB
period 1527.733688573804
4.18
1.2626e-05
3.457e-08
d
yr
n .2356431639182307 1.9475e-09 deg/d
Q 3.220565808890512 1.7744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      7795 days (21.34 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58225  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 14:14:59  

Additional Information
 Earth MOID = .966782 au 
 Jupiter MOID = 1.81971 au 
 T_jup = 3.369 
[ 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 16.3   n/a MPO493690  
diameter diameter 3.994 km 0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120822 (1998 HK96)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 HK96 = 1999 TZ82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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