Phyllis

00556, 1905AD, 1950QW, J05A00D, J50Q00W

All data for this body: [vot]

MPC data

Name (number)	Phyllis (556)
Packed designation	00556
a	2.46426
e	0.10432
i / sin(i)	5.2459 / 0.09143
q	2.20720
Q	2.72132
ω	177.8504
Node	286.0333
m	90.1528
n	0.2548
Epoch	2459600.5

n_obs	2879
n_opp	53
Years observed	1907-2022
rms	0.55

Best values

	Value	Standard error
Parent	Vesta (4)

a_p	2.465
e_p	0.119
sin(i_p)	0.106

	Value	Standard error
G	0.150
H	9.600
Mass
D	36.60	0.228
pV	0.193	0.0077

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
4	Vesta	401	Vesta		Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.4654	0.1193	0.1057	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Jan-2022

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
32.15	1.449	1.449	Ryan&Woodward	2010AJ....140..933R	IRAS-STM
35.06	3.510	3.510	Ali-Lagoa	2018A&A...612A..85A	NEATM
35.11	0.400	0.400	Usui	2011PASJ...63.1117U	NEATM
36.28	0.430	0.430	Masiero	2014ApJ...791..121M	NEATM
37.81	1.100	1.100	Tedesco	2002AJ....123.1056T	STM
38.52	0.409	0.409	Masiero	2011ApJ...741...68M	NEATM
39.65	3.960	3.960	Ali-Lagoa	2018A&A...612A..85A	NEATM
41.80	2.754	2.754	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.155	0.0219	0.0219	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM
0.179	0.0329	0.0329	Masiero	2011ApJ...741...68M	NEATM
0.185	0.0110	0.0110	Tedesco	2002AJ....123.1056T	STM
0.188	0.0380	0.0380	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.200	0.0200	0.0200	Masiero	2014ApJ...791..121M	NEATM
0.241	0.0480	0.0480	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.259	0.0232	0.0232	Ryan&Woodward	2010AJ....140..933R	IRAS-STM

G data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.15			MPC-2022-01-18	MPC-2022-01-18	Phot

H data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
9.60			MPC-2022-01-18	MPC-2022-01-18	Phot