+ View the NASA Portal
+ Center for Near-Earth Object Studies
IMPORTANT:
The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.
Please visit
this page
for more details.
Don't show this message again
JPL Small-Body Database Browser
Search:
[
help
]
146324 (2001 LY18)
Classification:
Main-belt Asteroid
SPK-ID:
2146324
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 19
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1634552595116524
6.0296e-08
a
2.562141805201841
1.77e-08
au
q
2.143346251526921
1.489e-07
au
i
11.47326695510139
6.1129e-06
deg
node
254.1298515648595
2.3476e-05
deg
peri
100.7245651089322
3.109e-05
deg
M
88.11782004904435
2.2375e-05
deg
t
p
2458233.839256528227
(2018-Apr-25.33925653)
9.185e-05
TDB
period
1497.970190097433
4.10
1.5522e-05
4.25e-08
d
yr
n
.2403252096602699
2.4903e-09
deg/d
Q
2.980937358876762
2.0593e-08
au
Orbit Determination Parameters
# obs. used (total)
537
data-arc span
6448 days (17.65 yr)
first obs. used
2001-06-15
last obs. used
2019-02-09
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.53881
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 04:12:56
Additional Information
Earth MOID
= 1.17407 au
Jupiter MOID
= 2.57282 au
T_jup
= 3.388
[ 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
15.1
n/a
MPO417787
diameter
diameter
6.458
km
2.205
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)
geometric albedo
albedo
0.042
0.029
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)
146324 (2001 LY18)
Discovered 2001-Jun-15 by LINEAR at Socorro
Reference:
20070106/Numbers.arc
Last Updated:
2007-01-09
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-14 16:45 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin