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JPL Small-Body Database Browser
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452 Hamiltonia (A899 XB)
Classification: Main-belt Asteroid          SPK-ID: 2000452
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01440526955287053 3.2508e-08  
a 2.847423971323606 1.0919e-08 au
q 2.806406061485384 9.5641e-08 au
i 3.224703097950822 3.5778e-06 deg
node 92.47459000532723 6.1636e-05 deg
peri 62.64488028319904 0.0001463 deg
M 303.8151054616036 0.00013269 deg
tp 2459274.401052705740
(2021-Feb-28.90105271)
0.00064713 TDB
period 1754.998025433346
4.80
1.0095e-05
2.764e-08
d
yr
n .2051284359200964 1.1799e-09 deg/d
Q 2.888441881161827 1.1076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2936  
   data-arc span      43969 days (120.38 yr)  
   first obs. used      1899-12-10  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:05:53  

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 ]
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