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 ]  
452 Hamiltonia (A899 XB)
Classification: Main-belt Asteroid          SPK-ID: 2000452
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01440526932257442 3.2506e-08  
a 2.847423971543321 1.0742e-08 au
q 2.806406062357685 9.5606e-08 au
i 3.224703192293099 3.5504e-06 deg
node 92.47458771464424 6.0803e-05 deg
peri 62.64488532294692 0.00014381 deg
M 303.8151026264024 0.00013018 deg
tp 2459274.401066559033
(2021-Feb-28.90106656)
0.00063486 TDB
period 1754.998025636477
4.80
9.9313e-06
2.719e-08
d
yr
n .205128435896354 1.1608e-09 deg/d
Q 2.888441880728957 1.0897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3019  
   data-arc span      44149 days (120.87 yr)  
   first obs. used      1899-12-10  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42256  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:29:26  

Additional Information
 Earth MOID = 1.81624 au 
 Jupiter MOID = 2.0776 au 
 T_jup = 3.304 
[ 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 11.8   n/a MPO416707  
diameter diameter 11.563 km 0.816 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 2.8813 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2010) Minor Planet Bull. 37, 45-46.]
[Aznar Macias, A.; Cornea, R.; Suciu, O. (2018) Minor Planet Bull. 45, 92-96.]
geometric albedo albedo 0.252   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

452 Hamiltonia (A899 XB)          Discovered 1899-Dec-06 by Keeler, J. E. at Mount Hamilton
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A899 XB = 1958 BK = 1973 FZ1 = 1978 GA3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-30 18:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin