Alfven

01778, 1936 HK, 1936HK, 1952 DD1, 1952DD1, 1958 FB, 1958FB, 1959 NN, 1959NN, 4506 P-L, 4506P-L, J36H00K, J52D01D, J58F00B, J59N00N, PLS4506

All data for this body: [vot]

MPC data
Name (number) Alfven (1778)
a 3.13931
e 0.13474
i / sin(i) 2.4730 / 0.04315
q 2.71631
Q 3.56231
ω 135.4392
Node 106.1061
m 318.0674
n 0.1772
Epoch 2460800.5
nobs 7191
nopp 41
Years observed 1954-2025
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.144
ep 0.156
sin(ip) 0.022
G 0.150
H 11.890
Mass
D 20.62 0.240
pV 0.095 0.0069
Value
Rotational Period 4.800
Period quality 3-
Spectral Class C
Spectral Class Score 6.720
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
656 Beagle 0 Beagle Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.1800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1441 0.1561 0.0225 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
20.62 0.240 0.240 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.095 0.0069 0.0069 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
11.89 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.805 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
4.8188 2 Sidereal Durech 2020A&A...643A..59D Model
4.82 3- Synodic Chang 2014ApJ...788...17C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.971 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C 0.960000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC