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248 Lameia (A885 LA)
Classification:
Main-belt Asteroid
SPK-ID:
2000248
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
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 97
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.06577236880035019
3.0744e-08
a
2.470839323715336
5.5107e-09
au
q
2.308326368469523
7.6748e-08
au
i
4.060719412049128
3.3572e-06
deg
node
246.7875317030217
4.6195e-05
deg
peri
11.20702062261657
5.3791e-05
deg
M
259.033717760862
2.8911e-05
deg
t
p
2459398.368034070397
(2021-Jul-02.86803407)
0.00011415
TDB
period
1418.617077789374
3.88
4.7459e-06
1.299e-08
d
yr
n
.2537682688558824
8.4897e-10
deg/d
Q
2.633352278961149
5.8731e-09
au
Orbit Determination Parameters
# obs. used (total)
3653
data-arc span
49330 days (135.06 yr)
first obs. used
1885-06-06
last obs. used
2020-06-28
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.40995
source
ORB
producer
Otto Matic
solution date
2020-Nov-13 04:31:45
Additional Information
Earth MOID
= 1.29336 au
Jupiter MOID
= 2.39093 au
T_jup
= 3.478
[ 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
10.3
n/a
MPO502155
diameter
diameter
50.120
km
0.311
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)
rotation period
rot_per
11.912
h
n/a
LCDB (Rev. 2020-October); Warner et al., 2009
Published Reference List:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Pilcher, F.; Benishek, V.; Hills, K. (2015) Minor Planet Bull. 42, 137-139.]
geometric albedo
albedo
0.062
0.007
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)
B-V
BV
0.830
0.020
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2
#obs=1; phase=4.89 deg.
U-B
UB
0.340
0.030
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2
#obs=1; phase=4.89 deg.
248 Lameia (A885 LA)
Discovered 1885-Jun-05 by Palisa, J. at Vienna
Reference:
DISCOVERY.DB
Last Updated:
2003-08-29
[ hide close-approach data ]
Close-Approach Data
...sorted by
Date/Time (TDB)
Date/Time (TDB)
Time Uncertainty
(days_HH:MM)
Body
Nominal Distance (au)
Minimum Distance (au)
Maximum Distance (au)
V-relative (km/s)
V-infinity (km/s)
JD (TDB)
Time Uncertainty (minutes)
Semi-major axis (km)
Semi-minor axis (km)
range-LOV angle (deg)
N-sigma
BP
Orbit Ref.
Reference
Modified
2051-Mar-16 03:09
< 00:01
Eunom
0.0493677544749761
0.049366413729994
0.0493690952890704
5.20900411631371
5.20900406172588
2470246.631413328
0.271579362972839
125.634609065282
33.5129265633867
-61.4879432214625
195544.788833418
T
97
CATAB v2.0f-lin.ifort 2020-Nov-13 04:31:55
2020-Nov-13 04:31
2072-Jun-03 05:11
< 00:01
Iris
0.0480603515243116
0.0480566853569363
0.0480640177522341
5.25241527639936
5.252415253626
2477996.716111397
0.444967458385424
202.239879106503
34.988787602715
-25.7754868943571
94884.3577464564
T
97
CATAB v2.0f-lin.ifort 2020-Nov-13 04:31:55
2020-Nov-13 04:31
Alternate Designations
A885 LA
= 1959 LO
[
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Orbit Diagram
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Orbital Elements
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2021-Jan-16 14:44 UT
(server date/time)
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Webmaster
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