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1209 Pumma (1927 HA)
Classification:
Main-belt Asteroid
SPK-ID:
2001209
[
Ephemeris
|
Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference:
JPL 43
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1284034119629118
3.1504e-08
a
3.168656189543563
1.3567e-08
au
q
2.76178992346877
9.7982e-08
au
i
6.939133033858012
3.4677e-06
deg
node
89.76122393995907
3.2008e-05
deg
peri
176.7383044242544
3.5197e-05
deg
M
117.7390165572289
1.5078e-05
deg
t
p
2458326.703099418746
(2018-Jul-27.20309942)
8.5617e-05
TDB
period
2060.20817314495
5.64
1.3232e-05
3.623e-08
d
yr
n
.1747396232539223
1.1223e-09
deg/d
Q
3.575522455618355
1.5309e-08
au
Orbit Determination Parameters
# obs. used (total)
3040
data-arc span
34177 days (93.57 yr)
first obs. used
1927-04-22
last obs. used
2020-11-16
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.45499
source
ORB
producer
Otto Matic
solution date
2020-Dec-18 01:59:09
Additional Information
Earth MOID
= 1.74589 au
Jupiter MOID
= 1.51221 au
T_jup
= 3.179
[ show covariance matrix ]
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Orbital Elements
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
10.7
n/a
MPO502164
diameter
diameter
26.889
km
0.253
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)
rotation period
rot_per
8.5001
h
n/a
LCDB (Rev. 2020-October); Warner et al., 2009
Published Reference List:
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo
albedo
0.141
0.028
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)
1209 Pumma (1927 HA)
Discovered 1927-Apr-22 by Reinmuth, K. at Heidelberg
Reference:
DISCOVERY.DB
Last Updated:
2003-08-29
[ show close-approach data ]
Alternate Designations
1927 HA
= 1950 JQ = 1963 UU
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Discovery Circumstances
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Close-Approach Data
]
2021-Jan-22 10:31 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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