Nagashimacho

14850, 1989 QH, 1989QH, 1998 HU93, 1998HU93, J89Q00H, J98H93U

All data for this body: [vot]

MPC data
Name (number) Nagashimacho (14850)
a 2.17191
e 0.14986
i / sin(i) 2.7803 / 0.04851
q 1.84643
Q 2.49738
ω 28.9282
Node 306.5745
m 58.5862
n 0.3079
Epoch 2460800.5
nobs 4267
nopp 21
Years observed 1989-2024
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.172
ep 0.096
sin(ip) 0.065
G 0.150
H 15.280
Mass
D 3.32 0.203
pV 0.185 0.0408
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.775
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1718 0.0960 0.0646 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.94 0.510 0.510 Masiero 2020PSJ.....1....5M NEATM
3.40 0.221 0.221 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.184 0.0499 0.0499 Masiero 2011ApJ...741...68M NEATM
0.186 0.0710 0.0710 Masiero 2020PSJ.....1....5M 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
15.28 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.19 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.639 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.0935 0.0820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT