+ 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
]
441922 (2010 HK45)
Classification:
Main-belt Asteroid
SPK-ID:
2441922
[
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
.1417904806126135
8.866e-08
a
3.120094459257612
6.3801e-08
au
q
2.677694766322722
2.9778e-07
au
i
14.6558718786419
6.9075e-06
deg
node
260.9051929085199
3.9389e-05
deg
peri
83.47385269131136
6.353e-05
deg
M
180.7123618838124
3.9081e-05
deg
t
p
2459603.031172761554
(2022-Jan-23.53117276)
0.00021794
TDB
period
2013.029040854844
5.51
6.1745e-05
1.69e-07
d
yr
n
.1788349758963855
5.4853e-09
deg/d
Q
3.562494152192501
7.2847e-08
au
Orbit Determination Parameters
# obs. used (total)
103
data-arc span
4982 days (13.64 yr)
first obs. used
2005-09-01
last obs. used
2019-04-23
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.60081
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 13:27:49
Additional Information
Earth MOID
= 1.7192 au
Jupiter MOID
= 1.9481 au
T_jup
= 3.151
[ hide covariance matrix ]
Orbital Elements at Epoch 2457180.5 (2015-Jun-07.0) TDB
Reference:
JPL 8
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1411547474154185
8.8968e-08
q
2.680738223023645
2.9889e-07
au
t
p
2457591.241966335054
(2016-Jul-21.74196634)
0.00022448
TDB
node
260.9175627683815
3.9389e-05
deg
peri
83.84877250750702
6.364e-05
deg
i
14.65367837628146
6.9069e-06
deg
Orbit Determination Parameters
# obs. used (total)
103
data-arc span
4982 days (13.64 yr)
first obs. used
2005-09-01
last obs. used
2019-04-23
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.60081
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 13:27:49
Additional Information
Jupiter MOID
= 1.9481 au
T_jup
= 3.151
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
7.915380199467007E-15
-2.618435526712834E-14
7.195821954625155E-12
-6.569714544916163E-14
1.568952986630306E-12
-6.273367051507039E-14
q
-2.618435526712834E-14
8.933808824870703E-14
-2.520126467415167E-11
2.453433960642295E-13
-5.661066563574346E-12
2.149261734133974E-13
tp
7.195821954625155E-12
-2.520126467415167E-11
5.039281161859628E-8
-2.969937964259986E-10
1.1358778889689E-8
-1.004832017951882E-10
node
-6.569714544916163E-14
2.453433960642295E-13
-2.969937964259986E-10
1.551466690816146E-9
-1.566305428339225E-9
-5.836334642217343E-11
peri
1.568952986630306E-12
-5.661066563574346E-12
1.1358778889689E-8
-1.566305428339225E-9
4.050046588936928E-9
3.482965114575782E-11
i
-6.273367051507039E-14
2.149261734133974E-13
-1.004832017951882E-10
-5.836334642217343E-11
3.482965114575782E-11
4.770517929778005E-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
16.2
n/a
MPO386693
diameter
diameter
3.991
km
1.344
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.048
0.019
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
441922 (2010 HK45)
Discovered 2010-Apr-23 by WISE at WISE
Reference:
Last Updated:
2015-09-02
[ show close-approach data ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-14 08:06 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin