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 5.17894
e 0.07002
i / sin(i) 15.0375 / 0.25945
q 4.81630
Q 5.54158
ω 137.4707
Node 241.5297
m 66.4311
n 0.0836
Epoch 2460200.5
nobs 3274
nopp 28
Years observed 1974-2023
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
Value Standard error
G 0.150
H 9.970
Mass
D 57.02 0.308
pV 0.068 0.0058
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
9.97 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.70 Behrend LCDB Lightcurve
78.90 Mottola 2011AJ....141..170M Lightcurve