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1535 Paijanne (1939 RC)
Classification:
Main-belt Asteroid
SPK-ID:
2001535
[
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 2459200.5 (2020-Dec-17.0) TDB
Reference:
JPL 40
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1923941287420403
3.4088e-08
a
3.16505483523769
1.371e-08
au
q
2.556116867791353
1.0984e-07
au
i
6.056475837245467
3.5608e-06
deg
node
264.7741640650282
3.7478e-05
deg
peri
40.12209044654317
3.8476e-05
deg
M
232.8068962564908
1.0353e-05
deg
t
p
2459927.160158300152
(2022-Dec-13.66015830)
6.0473e-05
TDB
period
2056.696859254089
5.63
1.3364e-05
3.659e-08
d
yr
n
.1750379490201404
1.1373e-09
deg/d
Q
3.773992802684027
1.6348e-08
au
Orbit Determination Parameters
# obs. used (total)
3087
data-arc span
31922 days (87.40 yr)
first obs. used
1933-08-28
last obs. used
2021-01-20
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.41446
source
ORB
producer
Otto Matic
solution date
2021-Feb-24 00:56:13
Additional Information
Earth MOID
= 1.54265 au
Jupiter MOID
= 1.49091 au
T_jup
= 3.166
[ show covariance matrix ]
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
11.49
n/a
E2021B10
diameter
diameter
23.836
km
0.206
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)
rotation period
rot_per
8.8448
h
n/a
LCDB (Rev. 2020-October); Warner et al., 2009
Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo
albedo
0.164
0.031
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)
1535 Paijanne (1939 RC)
Discovered 1939-Sep-09 by Vaisala, Y. at Turku
Reference:
DISCOVERY.DB
Last Updated:
2003-08-29
[ show close-approach data ]
Alternate Designations
1939 RC
= 1933 QE1 = 1944 OA = 1956 XB = 1985 XE2 = A916 OB
[
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-Feb-25 17:19 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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