Oosterhoff

01738, 1927 UF, 1927UF, 1930 SP, 1930SP, 1939 GO, 1939GO, 1942 FD, 1942FD, 1943 TO, 1943TO, 1946 OG, 1946OG, 1949 JE, 1949JE, 1949 KH, 1949KH, 1952 HV, 1952HV, 1952 JJ, 1952JJ, 1959 RB1, 1959RB1, 2016 FC6, 2016FC6, J27U00F, J30S00P, J39G00O, J42F00D, J43T00O, J46O00G, J49J00E, J49K00H, J52H00V, J52J00J, J59R01B, K16F06C

All data for this body: [vot]

MPC data

Name (number)	Oosterhoff (1738)
a	2.18392
e	0.20303
i / sin(i)	4.8737 / 0.08496
q	1.74052
Q	2.62733
ω	284.5261
Node	44.0478
m	131.6631
n	0.3054
Epoch	2460800.5

n_obs	12500
n_opp	34
Years observed	1927-2025
rms	0.41

Best values

[raw, vot]

	Value	Standard error
Parent	Flora (8)

a_p	2.183
e_p	0.134
sin(i_p)	0.076
G	0.150
H	12.700
Mass
D	8.17	0.045
pV	0.311	0.0231

	Value
Rotational Period	4.448
Period quality	3
Spectral Class	S
Spectral Class Score	11.000

Family data

[raw, vot]

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
8	Flora	0	Flora		Novakovic	2019EPSC...13.1671N	HCM
8	Flora	402	Flora	-0.3000	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
2.1835	0.1343	0.0757	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

[raw, vot]

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
7.62	0.370	0.370	Usui	2011PASJ...63.1117U	NEATM
7.89	0.090	0.090	Masiero	2014ApJ...791..121M	NEATM
7.90	0.100	0.100	Hanus	2018Icar..309..297H	RADIOMETRY_TPM
7.98	0.800	0.800	Ali-Lagoa	2018A&A...612A..85A	NEATM
8.00	0.200	0.200	Hanus	2018Icar..309..297H	RADIOMETRY_TPM
8.07	0.120	0.120	Masiero	2011ApJ...741...68M	NEATM
8.13	0.170	0.170	Masiero	2014ApJ...791..121M	NEATM
8.72	0.085	0.085	Masiero	2011ApJ...741...68M	NEATM

Albedo data

[raw, vot]

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.284	0.0388	0.0388	Masiero	2011ApJ...741...68M	NEATM
0.309	0.0620	0.0620	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.320	0.0600	0.0600	Masiero	2014ApJ...791..121M	NEATM
0.329	0.0601	0.0601	Masiero	2011ApJ...741...68M	NEATM
0.340	0.0500	0.0500	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
12.70			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

[raw, vot]

Value	Quality	Side real or Synodic	Author	Reference	Method
4.448	2	Synodic	Erasmus	2020ApJS..247...13E	Lightcurve
4.4486	3	Synodic	Behrend	LCDB	Lightcurve
4.4486	3	Synodic	Hamanowa	LCDB	Lightcurve
4.448955	2	Sidereal	Durech	2016A&A...587A..48D	Model
4.44896	2	Sidereal	Hanus	2013A&A...559A.134H	Model
4.44896	2	Sidereal	Hanus	2018Icar..309..297H	Model
4.449	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve

Spectral Class Data

[raw, vot]

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
A		0.292		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT
S				Bus	VIS	Bus	2002Icar..158..146B	SPEC
S		1.000000		Mahlke	VIS	Mahlke	2022A&A...665A..26M	SPEC
S	Ad	None	None	Movis	NIR	Popescu	2018A&A...617A..12P	PHOT