Athalia

00515, 1903 SH, 1903SH, 1931 TQ, 1931TQ, 1937 WO, 1937WO, 1937 WQ, 1937WQ, 1937 WR, 1937WR, 1937 YH, 1937YH, 1953 TD, 1953TD, 1974 QA3, 1974QA3, 1977 CF, 1977CF, J03S00H, J31T00Q, J37W00O, J37W00Q, J37W00R, J37Y00H, J53T00D, J74Q03A, J77C00F

All data for this body: [vot]

MPC data

Name (number)	Athalia (515)
a	3.11794
e	0.17709
i / sin(i)	2.0391 / 0.03558
q	2.56577
Q	3.67010
ω	300.5001
Node	121.0821
m	319.0123
n	0.1790
Epoch	2460800.5

n_obs	7551
n_opp	48
Years observed	1903-2025
rms	0.52

Best values

[raw, vot]

	Value	Standard error
Parent	Themis (24)

a_p	3.121
e_p	0.155
sin(i_p)	0.019
G	0.150
H	10.950
Mass
D	41.54	0.136
pV	0.036	0.0026

	Value
Rotational Period	10.630
Period quality	3
Spectral Class	X
Spectral Class Score	5.953

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	-0.3900	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
3.1210	0.1555	0.0186	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

[raw, vot]

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
32.75	10.790	10.790	Nugent	2016AJ....152...63N	NEATM
33.30	11.030	11.030	Masiero	2021PSJ.....2..162M	NEATM
35.17	11.830	11.830	Nugent	2016AJ....152...63N	NEATM
38.22	2.100	2.100	Tedesco	2002AJ....123.1056T	STM
38.77	7.750	7.750	Ali-Lagoa	2018A&A...612A..85A	NEATM
38.80	0.660	0.660	Masiero	2012ApJ...759L...8M	NEATM
39.76	1.380	1.380	Usui	2011PASJ...63.1117U	NEATM
41.19	0.150	0.150	Masiero	2014ApJ...791..121M	NEATM
43.62	8.720	8.720	Ali-Lagoa	2018A&A...612A..85A	NEATM
45.28	0.399	0.399	Masiero	2011ApJ...741...68M	NEATM

Albedo data

[raw, vot]

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.028	0.0045	0.0045	Masiero	2011ApJ...741...68M	NEATM
0.038	0.0050	0.0050	Masiero	2012ApJ...759L...8M	NEATM
0.039	0.0050	0.0050	Tedesco	2002AJ....123.1056T	STM
0.040	0.0100	0.0100	Masiero	2014ApJ...791..121M	NEATM
0.049	0.0200	0.0200	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.060	0.0500	0.0500	Nugent	2016AJ....152...63N	NEATM
0.062	0.0250	0.0250	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.065	0.0300	0.0570	Masiero	2021PSJ.....2..162M	NEATM
0.070	0.1100	0.1100	Nugent	2016AJ....152...63N	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
10.95			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

[raw, vot]

Value	Quality	Side real or Synodic	Author	Reference	Method
10.636	3	Synodic	Pilcher	2015MPBu...42...91P	Lightcurve

Spectral Class Data

[raw, vot]

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
Cb				Bus	VIS	Bus	2002Icar..158..146B	SPEC
P		1.000000		Mahlke	VIS	Mahlke	2022A&A...665A..26M	SPEC
X		0.856		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT
X	X	0.1361	0.1350	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT