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452 Hamiltonia (A899 XB)
Classification:
Main-belt Asteroid
SPK-ID:
2000452
[
Ephemeris
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Orbit Diagram
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Orbital Elements
|
Mission Design
|
Physical Parameters
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[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference:
JPL 43
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.014405269476829
3.2504e-08
a
2.847423971217558
1.0709e-08
au
q
2.806406061597386
9.5587e-08
au
i
3.224703152292618
3.5444e-06
deg
node
92.47458851560401
6.0667e-05
deg
peri
62.64487984244109
0.00014337
deg
M
303.8151074414496
0.00012973
deg
t
p
2459274.401043038700
(2021-Feb-28.90104304)
0.00063265
TDB
period
1754.998025335303
4.80
9.9011e-06
2.711e-08
d
yr
n
.205128435931556
1.1573e-09
deg/d
Q
2.888441880837729
1.0864e-08
au
Orbit Determination Parameters
# obs. used (total)
3043
data-arc span
44171 days (120.93 yr)
first obs. used
1899-12-10
last obs. used
2020-11-16
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.42227
source
ORB
producer
Otto Matic
solution date
2020-Dec-18 01:53:45
Additional Information
Earth MOID
= 1.81624 au
Jupiter MOID
= 2.0776 au
T_jup
= 3.304
[ hide covariance matrix ]
Orbital Elements at Epoch 2456844.5 (2014-Jul-06.0) TDB
Reference:
JPL 43
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.01381260242355785
3.3149e-08
q
2.806976228556352
9.7061e-08
au
t
p
2457567.057660057493
(2016-Jun-27.55766006)
0.00064675
TDB
node
92.56297489293283
6.0674e-05
deg
peri
72.35859064159153
0.00014612
deg
i
3.224824505235684
3.544e-06
deg
Orbit Determination Parameters
# obs. used (total)
3043
data-arc span
44171 days (120.93 yr)
first obs. used
1899-12-10
last obs. used
2020-11-16
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.42227
source
ORB
producer
Otto Matic
solution date
2020-Dec-18 01:53:45
Additional Information
Jupiter MOID
= 2.0776 au
T_jup
= 3.304
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
1.098850818400374E-15
-3.199392705668906E-15
1.268205241133235E-12
-3.644749755454121E-17
2.988123785839649E-13
-9.555610133604294E-17
q
-3.199392705668906E-15
9.420788502266591E-15
-2.625976314376851E-12
-1.079528104029839E-15
-6.60298604222055E-13
3.731766731864634E-16
tp
1.268205241133235E-12
-2.625976314376851E-12
4.182816213902989E-7
-1.25452506887421E-11
8.59778779783969E-8
1.25518307893377E-12
node
-3.644749755454121E-17
-1.079528104029839E-15
-1.25452506887421E-11
3.681304060939053E-9
-3.677715731208874E-9
-1.679625426965174E-11
peri
2.988123785839649E-13
-6.60298604222055E-13
8.59778779783969E-8
-3.677715731208874E-9
2.135049315268486E-8
1.701275209742131E-11
i
-9.555610133604294E-17
3.731766731864634E-16
1.25518307893377E-12
-1.679625426965174E-11
1.701275209742131E-11
1.255993534630309E-11
[
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Orbit Diagram
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Orbital Elements
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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. 2020-October); Warner et al., 2009
Published Reference List:
[Pilcher, F. (2010) Minor Planet Bull. 37, 45-46.]
[Aznar, A.M.; 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.DB
Last Updated:
2003-08-29
Alternate Designations
A899 XB
= 1958 BK = 1973 FZ1 = 1978 GA3
[
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2021-Jan-19 03:45 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin
