1998 KW9

1998KW9, 1999 RP123, 1999RP123, 35627, J98K09W, J99RC3P

All data for this body: [vot]

MPC data
Name (number) 1998 KW9 (35627)
a 3.14156
e 0.22229
i / sin(i) 9.2372 / 0.16052
q 2.44323
Q 3.83989
ω 34.7740
Node 285.8035
m 235.9394
n 0.1770
Epoch 2460800.5
nobs 3269
nopp 23
Years observed 1998-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Lixiaohua (3556)
 
ap 3.154
ep 0.200
sin(ip) 0.177
G 0.150
H 13.080
Mass
D 15.16 0.050
pV 0.039 0.0013
Value
Rotational Period 30.711
Period quality 2
Spectral Class T
Spectral Class Score 21.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
3556 Lixiaohua 0 Lixiaohua Novakovic 2019EPSC...13.1671N HCM
3556 Lixiaohua 613 Lixiaohua 0.0300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1541 0.1995 0.1766 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.15 0.060 0.060 Masiero 2014ApJ...791..121M NEATM
15.16 0.089 0.089 Masiero 2011ApJ...741...68M NEATM
15.82 5.860 5.860 Masiero 2012ApJ...759L...8M NEATM
16.01 4.767 4.767 Masiero 2017AJ....154..168M NEATM
18.80 5.780 5.780 Masiero 2020PSJ.....1....5M NEATM
19.32 2.940 2.940 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0800 0.0800 Nugent 2016AJ....152...63N NEATM
0.039 0.0013 0.0013 Masiero 2011ApJ...741...68M NEATM
0.041 0.0310 0.0310 Masiero 2020PSJ.....1....5M NEATM
0.054 0.0430 0.0430 Masiero 2012ApJ...759L...8M NEATM
0.058 0.0375 0.0375 Masiero 2017AJ....154..168M NEATM
0.060 0.0100 0.0100 Masiero 2014ApJ...791..121M 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
13.08 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
30.7119 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D P 0.750000 0.250000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
T Bus-DeMeo VISNIR De Pra 2020Icar..33813473D SPEC