+ 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
]
74578 (1999 NF28)
Classification:
Main-belt Asteroid
SPK-ID:
2074578
[
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 23
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1894529726980404
4.8689e-08
a
2.374608894263714
1.5077e-08
au
q
1.924732180250247
1.1675e-07
au
i
23.36501204879887
6.0315e-06
deg
node
106.2102016078274
1.3461e-05
deg
peri
275.2138820239448
1.9808e-05
deg
M
83.33669053376737
1.6205e-05
deg
t
p
2458291.099998768850
(2018-Jun-21.59999877)
5.946e-05
TDB
period
1336.55416035608
3.66
1.273e-05
3.485e-08
d
yr
n
.269349354240976
2.5653e-09
deg/d
Q
2.824485608277182
1.7934e-08
au
Orbit Determination Parameters
# obs. used (total)
924
data-arc span
7418 days (20.31 yr)
first obs. used
1999-07-14
last obs. used
2019-11-04
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52998
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 06:48:57
Additional Information
Earth MOID
= 1.07834 au
Jupiter MOID
= 2.80699 au
T_jup
= 3.409
[ 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
14.6
n/a
MPO366104
diameter
diameter
2.892
km
0.414
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.441
0.088
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
74578 (1999 NF28)
Discovered 1999-Jul-14 by LINEAR at Socorro
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
1999 NF28
= 2000 WS55
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-05 19:54 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin