Ptolemaeus

04001, 1949 PV, 1949PV, 1949 QD1, 1949QD1, 1982 BU9, 1982BU9, 1987 OE, 1987OE, J49P00V, J49Q01D, J82B09U, J87O00E

All data for this body: [vot]

MPC data
Name (number) Ptolemaeus (4001)
a 2.28735
e 0.17214
i / sin(i) 5.4566 / 0.09509
q 1.89360
Q 2.68110
ω 204.0182
Node 130.6332
m 315.5091
n 0.2849
Epoch 2460800.5
nobs 4245
nopp 26
Years observed 1949-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.287
ep 0.125
sin(ip) 0.084
G 0.150
H 13.750
Mass
D 4.57 0.281
pV 0.385 0.0531
Value
Rotational Period 5.024
Period quality 2
Spectral Class S
Spectral Class Score 30.117
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.9300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
298 Baptistina 403 Baptistina 2.0200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2871 0.1250 0.0843 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.96 0.870 0.870 Nugent 2016AJ....152...63N NEATM
4.64 0.297 0.297 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.320 0.1600 0.1600 Nugent 2016AJ....152...63N NEATM
0.393 0.0563 0.0563 Masiero 2011ApJ...741...68M 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
13.75 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.0241 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Bus VIS Bus 2002Icar..158..146B SPEC
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.51 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.995 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S Q 0.870000 0.130000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S S 0.9721 0.9840 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9907 0.9840 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT