Allancook

04419, 1932 HD, 1932HD, 1953 DH, 1953DH, 1985 CK, 1985CK, J32H00D, J53D00H, J85C00K

All data for this body: [vot]

MPC data
Name (number) Allancook (4419)
a 3.05578
e 0.21629
i / sin(i) 0.4100 / 0.00716
q 2.39484
Q 3.71671
ω 295.1565
Node 231.6705
m 162.9997
n 0.1845
Epoch 2460800.5
nobs 4246
nopp 33
Years observed 1932-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.059
ep 0.251
sin(ip) 0.029
G 0.150
H 12.700
Mass
D 15.12 0.552
pV 0.072 0.0140
Value
Rotational Period 5.270
Period quality 3-
Spectral Class B
Spectral Class Score 7.988
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0593 0.2513 0.0294 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.05 0.590 0.590 Usui 2011PASJ...63.1117U NEATM
15.62 1.560 1.560 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.072 0.0140 0.0140 Ali-Lagoa 2018A&A...612A..85A 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
12.70 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.274 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
5.275 3- Synodic Odden 2012MPBu...39..236O Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.887 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
B B 0.1110 0.1110 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT