+ 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
]
215957 (2005 NT55)
Classification:
Main-belt Asteroid
SPK-ID:
2215957
[
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 17
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2471133710098348
4.3557e-08
a
2.697199423096064
1.5995e-08
au
q
2.030685381369014
1.2025e-07
au
i
12.19224770253263
5.5307e-06
deg
node
224.125136614769
2.1936e-05
deg
peri
62.90526205658785
2.5221e-05
deg
M
54.47040582519295
1.0875e-05
deg
t
p
2458355.691707813397
(2018-Aug-25.19170781)
4.8079e-05
TDB
period
1617.960869797958
4.43
1.4392e-05
3.94e-08
d
yr
n
.2225022908279326
1.9792e-09
deg/d
Q
3.363713464823114
1.9947e-08
au
Orbit Determination Parameters
# obs. used (total)
336
data-arc span
6625 days (18.14 yr)
first obs. used
2001-10-07
last obs. used
2019-11-27
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52765
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 17:01:31
Additional Information
Earth MOID
= 1.04745 au
Jupiter MOID
= 1.90442 au
T_jup
= 3.293
[ hide covariance matrix ]
Orbital Elements at Epoch 2457207.5 (2015-Jul-04.0) TDB
Reference:
JPL 17
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2479491772644931
4.3233e-08
q
2.027789761030018
1.1934e-07
au
t
p
2456739.319824475854
(2014-Mar-22.81982448)
4.5207e-05
TDB
node
224.1433701029503
2.1952e-05
deg
peri
63.13056031611762
2.5241e-05
deg
i
12.18929283109639
5.5301e-06
deg
Orbit Determination Parameters
# obs. used (total)
336
data-arc span
6625 days (18.14 yr)
first obs. used
2001-10-07
last obs. used
2019-11-27
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52765
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 17:01:31
Additional Information
Jupiter MOID
= 1.90442 au
T_jup
= 3.293
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
1.869072493179885E-15
-5.133827261242919E-15
-3.665898978935638E-13
2.0431756939429E-14
-1.85018114753457E-13
-8.444079246216455E-15
q
-5.133827261242919E-15
1.42412252448414E-14
1.006192066257017E-12
-5.881459929368946E-14
5.212100458456303E-13
2.487421820779703E-14
tp
-3.665898978935638E-13
1.006192066257017E-12
2.043672068898544E-9
-2.943842536599712E-11
5.730422672699807E-10
1.662553091252656E-12
node
2.0431756939429E-14
-5.881459929368946E-14
-2.943842536599712E-11
4.819061903117217E-10
-4.787813130368541E-10
-5.964674046399713E-12
peri
-1.85018114753457E-13
5.212100458456303E-13
5.730422672699807E-10
-4.787813130368541E-10
6.371010310713308E-10
6.591609750747035E-12
i
-8.444079246216455E-15
2.487421820779703E-14
1.662553091252656E-12
-5.964674046399713E-12
6.591609750747035E-12
3.058237834972954E-11
[
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
16.0
n/a
MPO433413
215957 (2005 NT55)
Discovered 2005-Jul-11 by Lowe, A. at Mayhill
Reference:
20090607/Numbers.arc
Last Updated:
2009-06-08
[ show close-approach data ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-11 06:07 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin