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JPL Small-Body Database Browser
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74240 (1998 SY52)
Classification:
Main-belt Asteroid
SPK-ID:
2074240
[
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 19
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1683242270412184
4.3041e-08
a
2.653028798248032
1.5495e-08
au
q
2.206459776464839
1.1658e-07
au
i
13.62407014903488
4.971e-06
deg
node
207.987243434236
2.1602e-05
deg
peri
195.8050542249734
2.7639e-05
deg
M
259.1388686390604
1.8595e-05
deg
t
p
2459042.714224034820
(2020-Jul-12.21422403)
8.3383e-05
TDB
period
1578.379287486233
4.32
1.3828e-05
3.786e-08
d
yr
n
.2280820604110595
1.9982e-09
deg/d
Q
3.099597820031224
1.8103e-08
au
Orbit Determination Parameters
# obs. used (total)
695
data-arc span
7645 days (20.93 yr)
first obs. used
1998-09-30
last obs. used
2019-09-05
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.56073
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 02:43:28
Additional Information
Earth MOID
= 1.21677 au
Jupiter MOID
= 2.32634 au
T_jup
= 3.329
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.1
n/a
MPO432295
74240 (1998 SY52)
Discovered 1998-Sep-30 by Spacewatch at Kitt Peak
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-10 05:36 UT
(server date/time)
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