Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
91126 (1998 HZ120)
Classification: Main-belt Asteroid          SPK-ID: 2091126
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1186687266886406 3.7121e-08  
a 2.663831694421849 1.2166e-08 au
q 2.347718179131965 9.8093e-08 au
i 13.55805721587106 4.3703e-06 deg
node 71.68713821709973 1.7555e-05 deg
peri 72.23420729981329 2.8046e-05 deg
M 90.73882340664963 2.0599e-05 deg
tp 2458600.233501118914
(2019-Apr-26.73350112)
9.0025e-05 TDB
period 1588.029623785392
4.35
1.0879e-05
2.979e-08
d
yr
n .2266960229254834 1.553e-09 deg/d
Q 2.979945209711734 1.361e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1171  
   data-arc span      8127 days (22.25 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57871  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:41:05  

Additional Information
 Earth MOID = 1.40191 au 
 Jupiter MOID = 2.18814 au 
 T_jup = 3.335 
[ 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 14.7   n/a MPO468896  
diameter diameter 3.309 km 0.362 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.280   0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91126 (1998 HZ120)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1998 HZ120 = 2000 TP55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Dec-04 03:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin