+ 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
]
74041 (1998 HC88)
Classification:
Main-belt Asteroid
SPK-ID:
2074041
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 18
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1927590267256484
6.4378e-08
a
2.566872040675944
1.5897e-08
au
q
2.072084284385971
1.6885e-07
au
i
11.89454923970189
4.1268e-06
deg
node
226.9616346190496
3.3882e-05
deg
peri
56.26158900012393
3.7041e-05
deg
M
349.4625634100646
1.3536e-05
deg
t
p
2458644.468052497616
(2019-Jun-09.96805250)
5.6396e-05
TDB
period
1502.120441157383
4.11
1.3955e-05
3.821e-08
d
yr
n
.2396612083400052
2.2264e-09
deg/d
Q
3.061659796965919
1.8962e-08
au
Orbit Determination Parameters
# obs. used (total)
464
data-arc span
8730 days (23.90 yr)
first obs. used
1995-10-24
last obs. used
2019-09-18
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.58122
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 02:43:11
Additional Information
Earth MOID
= 1.08186 au
Jupiter MOID
= 2.12454 au
T_jup
= 3.376
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.7
n/a
MPO436300
diameter
diameter
4.487
km
0.252
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.035
0.009
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
74041 (1998 HC88)
Discovered 1998-Apr-21 by LINEAR at Socorro
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
Alternate Designations
1998 HC88
= 2003 SQ101
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-05 23:01 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin