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26377 (1999 FH4)
Classification:
Main-belt Asteroid
SPK-ID:
2026377
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference:
JPL 35
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.3245321266259875
4.4644e-08
a
3.114803638453419
1.7778e-08
au
q
2.103949789643767
1.4078e-07
au
i
17.67952906386732
5.0976e-06
deg
node
168.9531665953567
1.2582e-05
deg
peri
185.7972974319879
1.364e-05
deg
M
146.061605505796
5.1991e-06
deg
t
p
2458385.836973701367
(2018-Sep-24.33697370)
2.7767e-05
TDB
period
2007.910897952372
5.50
1.719e-05
4.706e-08
d
yr
n
.1792908242926123
1.5349e-09
deg/d
Q
4.12565748726307
2.3547e-08
au
Orbit Determination Parameters
# obs. used (total)
1820
data-arc span
16930 days (46.35 yr)
first obs. used
1974-09-11
last obs. used
2021-01-17
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.45256
source
ORB
producer
Otto Matic
solution date
2021-Feb-24 03:19:09
Additional Information
Earth MOID
= 1.09789 au
Jupiter MOID
= 1.32195 au
T_jup
= 3.065
[ show covariance matrix ]
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Orbital Elements
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
12.87
n/a
E2021B10
diameter
diameter
7.630
km
0.907
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
rotation period
rot_per
6.7755
h
n/a
LCDB (Rev. 2020-October); Warner et al., 2009
Published Reference List:
[Owings, L.E. (2019) Minor Planet Bull. 46, 272-274.]
[Rowe, B. (2019) Minor Planet Bull. 46, 353-356.]
geometric albedo
albedo
0.159
0.036
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
26377 (1999 FH4)
Discovered 1999-Mar-16 by Spacewatch at Kitt Peak
Reference:
20010705/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
1999 FH4
= 1974 QN2 = 2000 GJ90 = 2016 EW202
[
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Orbit Diagram
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Orbital Elements
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Mission Design
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Close-Approach Data
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2021-Feb-27 20:14 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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