Orth

04533, 1957 FA, 1957FA, 1977 RK2, 1977RK2, 1986 EL, 1986EL, 1988 TW4, 1988TW4, J57F00A, J77R02K, J86E00L, J88T04W

All data for this body: [vot]

MPC data
Name (number) Orth (4533)
a 2.36883
e 0.24397
i / sin(i) 22.6972 / 0.38586
q 1.79090
Q 2.94675
ω 292.7404
Node 178.3923
m 288.3277
n 0.2703
Epoch 2460800.5
nobs 4607
nopp 26
Years observed 1957-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent Phocaea (25)
 
ap 2.369
ep 0.209
sin(ip) 0.400
G 0.150
H 13.020
Mass
D 7.41 0.082
pV 0.254 0.0216
Value
Rotational Period 24.000
Period quality 2
Spectral Class S
Spectral Class Score 34.948
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
25 Phocaea 0 Phocaea Novakovic 2019EPSC...13.1671N HCM
25 Phocaea 701 Phocaea -0.4600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3693 0.2087 0.4001 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.33 1.550 1.550 Nugent 2016AJ....152...63N NEATM
7.02 0.170 0.170 Masiero 2012ApJ...759L...8M NEATM
7.53 0.094 0.094 Masiero 2011ApJ...741...68M NEATM
7.92 1.620 1.620 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.216 0.0670 0.0970 Masiero 2021PSJ.....2..162M NEATM
0.237 0.0342 0.0342 Masiero 2011ApJ...741...68M NEATM
0.240 0.2200 0.2200 Nugent 2016AJ....152...63N NEATM
0.272 0.0300 0.0300 Masiero 2012ApJ...759L...8M 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
13.02 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.42 2 Synodic Pravec LCDB Lightcurve
11.389 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
11.39848 2 Sidereal Durech 2019A&A...631A...2D Model
11.3985 2 Sidereal Durech 2023A&A...675A..24D Model
24.0 2 Synodic Stephens 2009MPBu...36...18S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A 0.999 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S Bus VIS Carvano 2001Icar..149..173C SPEC
S Bus VIS Lazzaro 2004Icar..172..179L SPEC
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S Tholen VIS Lazzaro 2004Icar..172..179L SPEC
S 0.65 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.940000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S S 0.9913 0.9970 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 1.0000 0.9970 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT