Pelcak

06149, 1977 AA3, 1977AA3, 1979 SS, 1979SS, 1990 QD4, 1990QD4, J77A03A, J79S00S, J90Q04D

All data for this body: [vot]

MPC data
Name (number) Pelcak (6149)
a 2.38695
e 0.17476
i / sin(i) 6.3670 / 0.11090
q 1.96980
Q 2.80410
ω 18.1643
Node 334.8297
m 133.4713
n 0.2673
Epoch 2460800.5
nobs 3299
nopp 25
Years observed 1977-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.388
ep 0.135
sin(ip) 0.115
G 0.150
H 14.440
Mass
D 3.96 0.138
pV 0.258 0.0648
Value
Rotational Period 75.086
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3876 0.1352 0.1152 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.96 0.138 0.138 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.258 0.0648 0.0648 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
14.44 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
75.0866 2 Synodic Pal 2020ApJS..247...26P Lightcurve