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JPL Small-Body Database Browser
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74035 (1998 HF44)
Classification:
Main-belt Asteroid
SPK-ID:
2074035
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 15
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1335239258103119
5.1208e-08
a
2.565014378348469
1.4591e-08
au
q
2.222523588791484
1.3677e-07
au
i
3.593811738615353
5.1729e-06
deg
node
191.1978881747322
8.232e-05
deg
peri
14.99895242703277
8.5989e-05
deg
M
42.7249484114236
2.8855e-05
deg
t
p
2458422.421217010736
(2018-Oct-30.92121701)
0.00011932
TDB
period
1500.490094424409
4.11
1.2803e-05
3.505e-08
d
yr
n
.2399216105042644
2.0471e-09
deg/d
Q
2.907505167905453
1.6539e-08
au
Orbit Determination Parameters
# obs. used (total)
621
data-arc span
10191 days (27.90 yr)
first obs. used
1990-06-14
last obs. used
2018-05-09
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.58645
source
ORB
producer
Otto Matic
solution date
2018-Oct-04 02:28:32
Additional Information
Earth MOID
= 1.2188 au
Jupiter MOID
= 2.05267 au
T_jup
= 3.417
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Discovery Circumstances
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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.6
n/a
MPO293836
diameter
diameter
1.905
km
0.413
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.337
0.165
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
74035 (1998 HF44)
Discovered 1998-Apr-20 by LINEAR at Socorro
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
1998 HF44
= 2002 EH41
[
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
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Close-Approach Data
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2019-Dec-16 13:09 UT
(server date/time)
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Ryan S. Park
Webmaster
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