+ 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
]
344108 (1999 TB255)
Classification:
Main-belt Asteroid
SPK-ID:
2344108
[
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 8
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1988103333406626
6.9283e-08
a
2.619141400427155
1.6426e-08
au
q
2.098429025541902
1.7611e-07
au
i
6.769240976633596
5.9331e-06
deg
node
333.1866364632782
6.446e-05
deg
peri
55.50448980646178
6.6678e-05
deg
M
223.4018465933788
1.8245e-05
deg
t
p
2459187.961179176928
(2020-Dec-04.46117918)
8.1935e-05
TDB
period
1548.234871624868
4.24
1.4565e-05
3.988e-08
d
yr
n
.2325228598049734
2.1874e-09
deg/d
Q
3.139853775312407
1.9692e-08
au
Orbit Determination Parameters
# obs. used (total)
181
data-arc span
7201 days (19.72 yr)
first obs. used
1999-10-13
last obs. used
2019-07-01
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52562
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 06:29:14
Additional Information
Earth MOID
= 1.11076 au
Jupiter MOID
= 2.36051 au
T_jup
= 3.368
[ 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
16.9
n/a
MPO294659
344108 (1999 TB255)
Discovered 1999-Oct-13 by LINEAR at Socorro
Reference:
20121128/Numbers.arc
Last Updated:
2012-12-03
[ show close-approach data ]
Alternate Designations
1999 TB255
= 2005 ED4
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-14 08:07 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin