Phildavis

04448, 1964 WH, 1964WH, 1972 XA2, 1972XA2, 1976 YB4, 1976YB4, 1986 EO, 1986EO, J64W00H, J72X02A, J76Y04B, J86E00O

All data for this body: [vot]

MPC data
Name (number) Phildavis (4448)
a 2.54620
e 0.08549
i / sin(i) 16.8038 / 0.28910
q 2.32852
Q 2.76388
ω 46.8513
Node 83.2766
m 265.5164
n 0.2426
Epoch 2460800.5
nobs 9738
nopp 29
Years observed 1964-2025
rms 0.41
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.547
ep 0.135
sin(ip) 0.276
G 0.150
H 12.010
Mass
D 12.45 0.053
pV 0.177 0.0248
Value
Rotational Period 14.910
Period quality 3
Spectral Class S
Spectral Class Score 5.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5473 0.1347 0.2761 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.44 0.054 0.054 Masiero 2011ApJ...741...68M NEATM
12.69 0.240 0.240 Masiero 2014ApJ...791..121M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.170 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM
0.182 0.0317 0.0317 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
12.01 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
14.914 3 Synodic Gross 2003MPBu...30...44G Lightcurve
14.92613 2 Sidereal Martikainen 2021A&A...649A..98M Model
14.92631 2 Sidereal Durech 2018A&A...617A..57D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A S 0.590000 0.410000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S Tholen VIS Lazzaro 2004Icar..172..179L SPEC
Sk Bus VIS Lazzaro 2004Icar..172..179L SPEC