Dulov

10991, 1949 WH1, 1949WH1, 1974 RY1, 1974RY1, 1985 SL6, 1985SL6, 1992 QL, 1992QL, J49W01H, J74R01Y, J85S06L, J92Q00L

All data for this body: [vot]

MPC data
Name (number) Dulov (10991)
a 2.35392
e 0.22687
i / sin(i) 2.7411 / 0.04782
q 1.81988
Q 2.88795
ω 134.9786
Node 183.4758
m 28.3405
n 0.2729
Epoch 2460800.5
nobs 3173
nopp 28
Years observed 1949-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.354
ep 0.192
sin(ip) 0.053
G 0.150
H 14.430
Mass
D 4.26 0.027
pV 0.176 0.0179
Value
Rotational Period 78.400
Period quality 2
Spectral Class C
Spectral Class Score 2.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3539 0.1920 0.0531 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.92 0.750 0.750 Masiero 2020PSJ.....1....5M NEATM
4.25 0.028 0.028 Masiero 2011ApJ...741...68M NEATM
4.46 0.110 0.110 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.162 0.0220 0.0220 Masiero 2011ApJ...741...68M NEATM
0.203 0.0330 0.0330 Masiero 2012ApJ...759L...8M NEATM
0.213 0.0890 0.0890 Masiero 2020PSJ.....1....5M 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
14.43 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
78.43 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.41 Bus VIS Carvano 2010A&A...510A..43C PHOT