Platz

11808, 1981 EM17, 1981EM17, 1994 LF, 1994LF, J81E17M, J94L00F

All data for this body: [vot]

MPC data
Name (number) Platz (11808)
a 2.55403
e 0.23927
i / sin(i) 7.3990 / 0.12878
q 1.94293
Q 3.16514
ω 153.3512
Node 200.0432
m 123.2633
n 0.2415
Epoch 2460800.5
nobs 5248
nopp 24
Years observed 1981-2025
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.554
ep 0.215
sin(ip) 0.134
G 0.150
H 13.930
Mass
D 4.56 0.285
pV 0.216 0.0334
Value
Rotational Period
Period quality None
Spectral Class K
Spectral Class Score 3.372
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5536 0.2150 0.1337 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.91 0.750 0.750 Nugent 2016AJ....152...63N NEATM
4.63 0.338 0.338 Masiero 2011ApJ...741...68M NEATM
4.72 1.510 1.510 Nugent 2016AJ....152...63N NEATM
4.90 0.857 0.857 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.200 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM
0.203 0.0493 0.0493 Masiero 2011ApJ...741...68M NEATM
0.227 0.0523 0.0523 Masiero 2011ApJ...741...68M NEATM
0.290 0.1600 0.1600 Nugent 2016AJ....152...63N NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.93 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K 0.562 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT