Welther

03682, 1923 NB, 1923NB, 1951 YO, 1951YO, 1978 NP3, 1978NP3, 1984 AA, 1984AA, J23N00B, J51Y00O, J78N03P, J84A00A

All data for this body: [vot]

MPC data
Name (number) Welther (3682)
a 2.75865
e 0.31865
i / sin(i) 13.6022 / 0.23518
q 1.87962
Q 3.63767
ω 114.3769
Node 255.3692
m 48.8544
n 0.2151
Epoch 2460800.5
nobs 6246
nopp 31
Years observed 1923-2025
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.756
ep 0.265
sin(ip) 0.272
G 0.150
H 11.900
Mass
D 19.24 0.093
pV 0.118 0.0060
Value
Rotational Period 3.597
Period quality 3
Spectral Class T
Spectral Class Score 10.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7564 0.2649 0.2718 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.13 3.570 3.570 Nugent 2016AJ....152...63N NEATM
16.83 4.950 4.950 Masiero 2012ApJ...759L...8M NEATM
19.09 0.230 0.230 Masiero 2014ApJ...791..121M NEATM
19.26 0.110 0.110 Masiero 2011ApJ...741...68M NEATM
19.32 0.700 0.700 Tedesco 2002AJ....123.1056T STM
19.34 0.300 0.300 Usui 2011PASJ...63.1117U NEATM
19.57 3.910 3.910 Ali-Lagoa 2018A&A...612A..85A NEATM
19.59 1.490 1.490 Ryan&Woodward 2010AJ....140..933R IRAS-STM
19.82 2.861 2.861 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
20.46 2.050 2.050 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.093 0.0190 0.0190 Ali-Lagoa 2018A&A...612A..85A NEATM
0.102 0.0410 0.0410 Ali-Lagoa 2018A&A...612A..85A NEATM
0.117 0.0178 0.0178 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.119 0.0090 0.0090 Tedesco 2002AJ....123.1056T STM
0.120 0.0132 0.0132 Masiero 2011ApJ...741...68M NEATM
0.120 0.0340 0.0340 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.133 0.1230 0.1230 Masiero 2012ApJ...759L...8M NEATM
0.140 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.260 0.1800 0.1800 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
11.90 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.5958 2 Synodic Behrend LCDB Lightcurve
3.597 3 Synodic Szekely 2005P&SS...53..925S Lightcurve
3.5973 3- Synodic Behrend LCDB Lightcurve
3.5973 3 Synodic Stephens 2002MPBu...29...41S Lightcurve
3.599 3- Synodic Klinglesmith 2016MPBu...43..123K Lightcurve
3.603 3- Synodic Behrend LCDB Lightcurve
3.61 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K X DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
M P 0.710000 0.240000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
T Bus VIS Lazzaro 2004Icar..172..179L SPEC
T Tholen VIS Lazzaro 2004Icar..172..179L SPEC
X 0.290 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT