+ View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Small-Body Database Browser
Search:
[
help
]
3569 Kumon (1938 DN1)
Classification:
Main-belt Asteroid
SPK-ID:
2003569
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference:
JPL 38
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1230599596009245
3.4927e-08
a
2.592214375473761
1.0141e-08
au
q
2.273216579151024
9.2219e-08
au
i
14.0234941473337
4.1152e-06
deg
node
161.8134643653984
1.2569e-05
deg
peri
314.9610316684827
1.8672e-05
deg
M
343.6732271084915
1.3787e-05
deg
t
p
2459269.635745437477
(2021-Feb-24.13574544)
5.8461e-05
TDB
period
1524.420565097482
4.17
8.9456e-06
2.449e-08
d
yr
n
.2361553027047881
1.3858e-09
deg/d
Q
2.911212171796497
1.1389e-08
au
Orbit Determination Parameters
# obs. used (total)
2567
data-arc span
30286 days (82.92 yr)
first obs. used
1938-02-20
last obs. used
2021-01-21
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.40631
source
ORB
producer
Otto Matic
solution date
2021-Feb-24 01:11:37
Additional Information
Earth MOID
= 1.30867 au
Jupiter MOID
= 2.18138 au
T_jup
= 3.366
[ 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
12.5
n/a
MPO502187
diameter
diameter
7.700
km
0.165
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
rotation period
rot_per
7.49
h
n/a
LCDB (Rev. 2020-October); Warner et al., 2009
Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Clark, M. (2019) Minor Planet Bull. 46, 346-349.]
geometric albedo
albedo
0.248
0.027
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
3569 Kumon (1938 DN1)
Discovered 1938-Feb-20 by Reinmuth, K. at Heidelberg
Reference:
DISCOVERY.DB
Last Updated:
2003-08-29
[ show close-approach data ]
Alternate Designations
1938 DN1
= 1955 GB = 1984 DJ3
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2021-Feb-26 10:12 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin