1974 XW

1974XW, 11439, 1975 AE1, 1975AE1, 1978 VW14, 1978VW14, 1984 CU, 1984CU, 1988 AA3, 1988AA3, 1991 VW2, 1991VW2, J74X00W, J75A01E, J78V14W, J84C00U, J88A03A, J91V02W

All data for this body: [vot]

MPC data
Name (number) 1974 XW (11439)
a 2.64302
e 0.18597
i / sin(i) 4.8002 / 0.08368
q 2.15149
Q 3.13454
ω 28.0651
Node 79.4624
m 244.8266
n 0.2294
Epoch 2460800.5
nobs 4537
nopp 25
Years observed 1974-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.645
ep 0.197
sin(ip) 0.065
G 0.150
H 13.960
Mass
D 9.21 0.076
pV 0.063 0.0119
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6447 0.1970 0.0650 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.30 3.750 3.750 Masiero 2020PSJ.....1....5M NEATM
11.63 3.390 3.390 Masiero 2020PSJ.....1....5M NEATM
9.20 0.076 0.076 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.045 0.0350 0.0350 Masiero 2020PSJ.....1....5M NEATM
0.046 0.0300 0.0300 Masiero 2020PSJ.....1....5M NEATM
0.070 0.0140 0.0140 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
13.96 MPC-2023-12-04 MPC-2023-12-04 Phot