1998 QQ39

1998QQ39, 12551, 1978 EW4, 1978EW4, 1979 PG, 1979PG, 1987 SN21, 1987SN21, 1991 XV, 1991XV, J78E04W, J79P00G, J87S21N, J91X00V, J98Q39Q

All data for this body: [vot]

MPC data
Name (number) 1998 QQ39 (12551)
a 2.42193
e 0.09535
i / sin(i) 5.4952 / 0.09576
q 2.19100
Q 2.65286
ω 255.5253
Node 8.2224
m 90.9692
n 0.2615
Epoch 2460800.5
nobs 4227
nopp 29
Years observed 1953-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.423
ep 0.097
sin(ip) 0.096
G 0.150
H 13.130
Mass
D
pV
Value
Rotational Period 11.200
Period quality 3
Spectral Class V
Spectral Class Score 3.870
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4230 0.0971 0.0955 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
13.13 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.1984 2 Sidereal Durech 2023A&A...675A..24D Model
11.19841 2 Sidereal Durech 2016A&A...587A..48D Model
11.202 3 Synodic Durech 2016A&A...587A..48D Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
V 0.645 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT