2000 SM309

2000SM309, 1972 TW1, 1972TW1, 1979 WG7, 1979WG7, 19843, 1993 VT4, 1993VT4, J72T01W, J79W07G, J93V04T, K00SU9M

All data for this body: [vot]

MPC data
Name (number) 2000 SM309 (19843)
a 2.29590
e 0.24308
i / sin(i) 2.3609 / 0.04120
q 1.73781
Q 2.85399
ω 185.2272
Node 193.5224
m 42.8903
n 0.2833
Epoch 2460800.5
nobs 1976
nopp 26
Years observed 1953-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.295
ep 0.209
sin(ip) 0.047
G 0.150
H 15.450
Mass
D 2.23 0.263
pV 0.276 0.0620
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 3.510
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2954 0.2092 0.0474 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.17 0.443 0.443 Masiero 2011ApJ...741...68M NEATM
2.22 0.430 0.430 Masiero 2012ApJ...759L...8M NEATM
2.34 0.500 0.500 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.219 0.1040 0.1040 Masiero 2020PSJ.....1....5M NEATM
0.299 0.1270 0.1270 Masiero 2012ApJ...759L...8M NEATM
0.313 0.0971 0.0971 Masiero 2011ApJ...741...68M 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
15.45 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
S 0.585 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT