Taiwan

02169, 1938 DV1, 1938DV1, 1964 VP1, 1964VP1, 1975 BH1, 1975BH1, 1977 RF8, 1977RF8, 1979 FG, 1979FG, J38D01V, J64V01P, J75B01H, J77R08F, J79F00G

All data for this body: [vot]

MPC data
Name (number) Taiwan (2169)
a 2.78864
e 0.05138
i / sin(i) 1.5270 / 0.02665
q 2.64537
Q 2.93191
ω 359.8390
Node 71.8580
m 348.1032
n 0.2116
Epoch 2460800.5
nobs 4650
nopp 37
Years observed 1938-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Astrid (1128)
 
ap 2.789
ep 0.048
sin(ip) 0.012
G 0.150
H 12.690
Mass
D 19.04 0.122
pV 0.048 0.0043
Value
Rotational Period 7.250
Period quality 2
Spectral Class Cgh
Spectral Class Score 21.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1128 Astrid 0 Astrid Novakovic 2019EPSC...13.1671N HCM
1128 Astrid 515 Astrid 0.2800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7886 0.0477 0.0119 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.06 5.020 5.020 Masiero 2021PSJ.....2..162M NEATM
16.52 4.570 4.570 Nugent 2016AJ....152...63N NEATM
16.81 1.500 1.500 Tedesco 2002AJ....123.1056T STM
17.44 5.290 5.290 Masiero 2021PSJ.....2..162M NEATM
17.96 6.050 6.050 Masiero 2020PSJ.....1....5M NEATM
18.22 0.510 0.510 Usui 2011PASJ...63.1117U NEATM
18.39 0.300 0.300 Masiero 2012ApJ...759L...8M NEATM
18.63 1.860 1.860 Ali-Lagoa 2018A&A...612A..85A NEATM
19.26 0.139 0.139 Masiero 2011ApJ...741...68M NEATM
19.39 5.646 5.646 Masiero 2017AJ....154..168M NEATM
19.56 3.910 3.910 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0206 0.0206 Masiero 2017AJ....154..168M NEATM
0.041 0.0320 0.0320 Masiero 2020PSJ.....1....5M NEATM
0.042 0.0059 0.0059 Masiero 2011ApJ...741...68M NEATM
0.047 0.0190 0.0190 Ali-Lagoa 2018A&A...612A..85A NEATM
0.050 0.0240 0.0460 Masiero 2021PSJ.....2..162M NEATM
0.050 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM
0.051 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.057 0.0150 0.0150 Masiero 2012ApJ...759L...8M NEATM
0.057 0.0250 0.0440 Masiero 2021PSJ.....2..162M NEATM
0.099 0.0210 0.0210 Tedesco 2002AJ....123.1056T STM
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
12.69 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.252 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Bus VIS Bus 2002Icar..158..146B SPEC
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.518 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C 0.85 Bus VIS Carvano 2010A&A...510A..43C PHOT
Cgh Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
P C 0.700000 0.290000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X X 0.5623 0.5623 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT