Iphthime

16974, 1974 WX, 1974WX, 1986 WS, 1986WS, 1998 WR21, 1998WR21, J74W00X, J86W00S, J98W21R

All data for this body: [vot]

MPC data
Name (number) Iphthime (16974)
a 5.17740
e 0.06910
i / sin(i) 15.0373 / 0.25945
q 4.81963
Q 5.53517
ω 137.2152
Node 241.5282
m 116.9887
n 0.0837
Epoch 2460800.5
nobs 4243
nopp 29
Years observed 1974-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 9.930
Mass
D 57.02 0.308
pV 0.068 0.0058
Value
Rotational Period 78.000
Period quality 2+
Spectral Class D
Spectral Class Score 15.709
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
54.33 10.870 10.870 Ali-Lagoa 2018A&A...612A..85A NEATM
54.73 0.900 0.900 Grav 2011ApJ...742...40G NEATM
55.43 4.000 4.000 Tedesco 2002AJ....123.1056T STM
57.15 3.850 3.850 Usui 2011PASJ...63.1117U NEATM
57.34 0.330 0.330 Grav 2012ApJ...759...49G NEATM
62.38 12.480 12.480 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0240 0.0240 Ali-Lagoa 2018A&A...612A..85A NEATM
0.065 0.0100 0.0100 Grav 2012ApJ...759...49G NEATM
0.069 0.0110 0.0110 Tedesco 2002AJ....123.1056T STM
0.071 0.0110 0.0110 Grav 2011ApJ...742...40G NEATM
0.080 0.0320 0.0320 Ali-Lagoa 2018A&A...612A..85A 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
9.93 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.7 1 Synodic Behrend LCDB Lightcurve
78.9 2+ Synodic Mottola 2011AJ....141..170M Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D 0.498 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
D 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
D D 0.9652 0.9652 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT