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2912 Lapalma (1942 DM)
Classification:
Main-belt Asteroid
SPK-ID:
2002912
[
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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[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference:
JPL 38
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.07169298072383513
3.899e-08
a
2.288614420723827
7.0185e-09
au
q
2.124536831174582
9.0845e-08
au
i
7.2787099647072
3.2034e-06
deg
node
108.1389901911705
3.1968e-05
deg
peri
75.97264716754509
3.9483e-05
deg
M
182.6487475275513
2.4659e-05
deg
t
p
2459623.501555719076
(2022-Feb-13.00155572)
8.7509e-05
TDB
period
1264.612214079001
3.46
5.8173e-06
1.593e-08
d
yr
n
.284672246552816
1.3095e-09
deg/d
Q
2.452692010273071
7.5217e-09
au
Orbit Determination Parameters
# obs. used (total)
2627
data-arc span
28761 days (78.74 yr)
first obs. used
1942-02-18
last obs. used
2020-11-16
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.44294
source
ORB
producer
Otto Matic
solution date
2020-Dec-18 02:09:04
Additional Information
Earth MOID
= 1.1409 au
Jupiter MOID
= 2.52849 au
T_jup
= 3.586
[ show covariance matrix ]
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
12.6
n/a
MPO384777
diameter
diameter
6.519
km
0.289
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)
rotation period
rot_per
5.71076
h
n/a
LCDB (Rev. 2020-October); Warner et al., 2009
Published Reference List:
[Brinsfield, J. (2008) Minor Planet Bull. 35, 119-122.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo
albedo
0.456
0.052
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)
SMASSII spectral type
spec_B
V
n/a
EAR-A-5-DDR-TAXONOMY-V4.0
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)
2912 Lapalma (1942 DM)
Discovered 1942-Feb-18 by Oterma, L. at Turku
Reference:
DISCOVERY.DB
Last Updated:
2003-08-29
Alternate Designations
1942 DM
= 1956 EN = 1973 AJ2 = 1973 CB = 1979 YJ = 1980 BG = 1980 DY5
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2021-Jan-24 22:02 UT
(server date/time)
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