+ 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
]
5539 Limporyen (1965 UA1)
Classification:
Main-belt Asteroid
SPK-ID:
2005539
[
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 31
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1575394924520842
2.7573e-08
a
2.435960465665319
7.9319e-09
au
q
2.052200490271062
6.7573e-08
au
i
1.823454704709159
4.0169e-06
deg
node
295.5131441303788
0.00010039
deg
peri
122.3896557904171
0.00010143
deg
M
358.4377327362755
1.4279e-05
deg
t
p
2458606.526381373334
(2019-May-03.02638137)
5.5093e-05
TDB
period
1388.685114753182
3.80
6.7827e-06
1.857e-08
d
yr
n
.2592380347246572
1.2662e-09
deg/d
Q
2.819720441059576
9.1815e-09
au
Orbit Determination Parameters
# obs. used (total)
2083
data-arc span
19766 days (54.12 yr)
first obs. used
1965-10-16
last obs. used
2019-11-28
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.48337
source
ORB
producer
Otto Matic
solution date
2019-Dec-03 21:19:23
Additional Information
Earth MOID
= 1.0647 au
Jupiter MOID
= 2.50705 au
T_jup
= 3.487
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
13.8
n/a
MPO452244
diameter
diameter
10.362
km
0.151
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.055
0.008
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
5539 Limporyen
Discovered 1965 Oct. 16 at the Purple Mountain Observatory.
Lim Poryen (b. 1914) is a prestigious philanthropist who helped launch many schools and a first-class Limporyen library in China.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference:
20041126/MPCPages.arc
Last Updated:
2004-12-06
[ show close-approach data ]
Alternate Designations
1965 UA1
= 1984 UY4 = 1988 XQ3 = 1991 NS3
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-06 00:59 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin