O'Steen

02525, 1931 XO, 1931XO, 1936 RL, 1936RL, 1939 DA, 1939DA, 1953 RB1, 1953RB1, 1953 TO, 1953TO, 1959 UO, 1959UO, 1965 UM2, 1965UM2, 1975 RJ, 1975RJ, 1977 BN, 1977BN, 1981 VG, 1981VG, 1988 BJ3, 1988BJ3, J31X00O, J36R00L, J39D00A, J53R01B, J53T00O, J59U00O, J65U02M, J75R00J, J77B00N, J81V00G, J88B03J

All data for this body: [vot]

MPC data

Name (number)	O'Steen (2525)
a	3.15064
e	0.17720
i / sin(i)	2.7750 / 0.04841
q	2.59236
Q	3.70892
ω	286.9874
Node	86.7802
m	310.6144
n	0.1762
Epoch	2460800.5

n_obs	7435
n_opp	41
Years observed	1931-2025
rms	0.59

Best values

[raw, vot]

	Value	Standard error
Parent	Themis (24)

a_p	3.141
e_p	0.156
sin(i_p)	0.029
G	0.150
H	11.200
Mass
D	31.54	0.179
pV	0.119	0.0097

	Value
Rotational Period	3.560
Period quality	3
Spectral Class	B
Spectral Class Score	20.468

Family data

[raw, vot]

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
24	Themis	0	Themis		Novakovic	2019EPSC...13.1671N	HCM
24	Themis	602	Themis	0.1600	Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

[raw, vot]

a_p	e_p	sin(i_p)	Author	Reference	Method
3.1407	0.1562	0.0285	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

[raw, vot]

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
20.46	4.790	4.790	Nugent	2016AJ....152...63N	NEATM
22.58	6.010	6.010	Nugent	2016AJ....152...63N	NEATM
26.31	0.820	0.820	Masiero	2012ApJ...759L...8M	NEATM
29.18	5.840	5.840	Ali-Lagoa	2018A&A...612A..85A	NEATM
29.88	0.270	0.270	Masiero	2014ApJ...791..121M	NEATM
30.21	0.970	0.970	Usui	2011PASJ...63.1117U	NEATM
31.40	nan	nan	Ali-Lagoa	2016A&A...591A..14A	NEATM
32.08	6.420	6.420	Ali-Lagoa	2018A&A...612A..85A	NEATM
33.78	0.262	0.262	Masiero	2011ApJ...741...68M	NEATM

Albedo data

[raw, vot]

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.073	0.0290	0.0290	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.088	0.0350	0.0350	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.098	0.0170	0.0170	Masiero	2011ApJ...741...68M	NEATM
0.100	0.0700	0.0700	Nugent	2016AJ....152...63N	NEATM
0.111	0.0220	0.0220	Masiero	2012ApJ...759L...8M	NEATM
0.120	0.0500	0.0500	Nugent	2016AJ....152...63N	NEATM
0.190	0.0200	0.0200	Masiero	2014ApJ...791..121M	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
11.20			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

[raw, vot]

Value	Quality	Side real or Synodic	Author	Reference	Method
3.55	2	Synodic	Apostolovska	2004MPBu...31...44A	Lightcurve
3.569	3	Synodic	Skiff	2019MPBu...46..458S	Lightcurve
3.57	2	Synodic	Aznar	LCDB	Lightcurve
5.538	2-	Synodic	Clark	2006MPBu...33...53C	Lightcurve

Spectral Class Data

[raw, vot]

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
A		1.000000		Mahlke	VIS	Mahlke	2022A&A...665A..26M	SPEC
B				Bus	VIS	Lazzaro	2004Icar..172..179L	SPEC
B				DeMeo-Carry	VIS	DeMeo	2013Icar..226..723D	PHOT
B				Tholen	VIS	Lazzaro	2004Icar..172..179L	SPEC
B	B	0.6918	0.3850	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
B	B	0.7196	0.3850	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
C		0.18		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
C		0.751		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT
C		0.960000		Mahlke	VISNIR	Mahlke	2022A&A...665A..26M	SPEC
C	B	0.4664	0.3850	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
Cb				Bus-DeMeo	VISNIR	Hasegawa	2021PASJ...73..240H	PHOT