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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
56553 (2000 HL79)
Classification: Main-belt Asteroid          SPK-ID: 2056553
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04987498489113391 4.1739e-08  
a 2.236673210831177 1.1389e-08 au
q 2.125119168234568 9.1222e-08 au
i 7.250527239333159 5.9829e-06 deg
node 346.4407666663396 3.4568e-05 deg
peri 255.4316417063765 7.6196e-05 deg
M 338.7526009831908 7.1509e-05 deg
tp 2459072.611661836111
(2020-Aug-11.11166184)
0.00024293 TDB
period 1221.805936833126
3.35
9.3319e-06
2.555e-08
d
yr
n .2946458100646541 2.2504e-09 deg/d
Q 2.348227253427786 1.1957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      8908 days (24.39 yr)  
   first obs. used      1994-09-03  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59296  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:25:40  

Additional Information
 Earth MOID = 1.12692 au 
 Jupiter MOID = 2.65741 au 
 T_jup = 3.626 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456184.5 (2012-Sep-14.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04988573981186177 4.1657e-08  
q 2.125299857915497 9.0926e-08 au
tp 2456628.881949486621
(2013-Dec-02.38194949)
0.00023579 TDB
node 346.4792682788128 3.4555e-05 deg
peri 255.4883082735195 7.6283e-05 deg
i 7.252269330446993 5.9833e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      8908 days (24.39 yr)  
   first obs. used      1994-09-03  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59296  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:25:40  

Additional Information
 Jupiter MOID = 2.65741 au 
 T_jup = 3.626 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.735273629338375E-15 -3.762365671344253E-15 5.749385546315515E-14 -1.333194008274286E-15 -2.683443628493493E-14 3.626930602261238E-15
q -3.762365671344253E-15 8.267484912235607E-15 7.905959221137815E-13 1.364949519387492E-15 3.10789239148268E-13 -7.655939823360684E-15
tp 5.749385546315515E-14 7.905959221137815E-13 5.559725336554538E-8 -9.102285898050382E-11 1.60445435297405E-8 -4.833506131930613E-12
node -1.333194008274286E-15 1.364949519387492E-15 -9.102285898050382E-11 1.194032351255075E-9 -1.209851825589039E-9 1.571953891291879E-12
peri -2.683443628493493E-14 3.10789239148268E-13 1.60445435297405E-8 -1.209851825589039E-9 5.819087895286467E-9 -2.984026943746177E-12
i 3.626930602261238E-15 -7.655939823360684E-15 -4.833506131930613E-12 1.571953891291879E-12 -2.984026943746177E-12 3.580012542963962E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO263790  
diameter diameter 1.592 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.366   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56553 (2000 HL79)          Discovered 2000-Apr-28 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 HL79 = 1994 RS15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-19 17:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin