Archimedes

03600, 1951 AU1, 1951AU1, 1978 SL7, 1978SL7, 1980 EV, 1980EV, 1984 AG1, 1984AG1, J51A01U, J78S07L, J80E00V, J84A01G

All data for this body: [vot]

MPC data
Name (number) Archimedes (3600)
a 2.56703
e 0.13010
i / sin(i) 7.8845 / 0.13718
q 2.23306
Q 2.90100
ω 145.4481
Node 5.3962
m 357.6858
n 0.2396
Epoch 2460800.5
nobs 4213
nopp 30
Years observed 1951-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Rafita (1644)
 
ap 2.566
ep 0.172
sin(ip) 0.136
G 0.150
H 13.030
Mass
D 6.77 0.205
pV 0.321 0.0567
Value
Rotational Period 5.430
Period quality 3
Spectral Class S
Spectral Class Score 10.980
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1644 Rafita 518 Rafita 0.3400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5659 0.1719 0.1359 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.77 0.205 0.205 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.321 0.0567 0.0567 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
13.03 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.436 2+ Synodic Dose 2021MPBu...48..125D Lightcurve
5.4381 2 Sidereal Durech 2023A&A...675A..24D Model
5.439 3 Synodic Benishek 2018MPBu...45...82B Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Tholen VIS Lazzaro 2004Icar..172..179L SPEC
S 0.180 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.980000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
SI Bus VIS Lazzaro 2004Icar..172..179L SPEC