1998 SY42

1998SY42, 1996 AE12, 1996AE12, 44374, J96A12E, J98S42Y

All data for this body: [vot]

MPC data
Name (number) 1998 SY42 (44374)
a 2.74719
e 0.08675
i / sin(i) 7.1974 / 0.12529
q 2.50887
Q 2.98552
ω 245.1784
Node 16.1600
m 45.8106
n 0.2165
Epoch 2460800.5
nobs 1415
nopp 22
Years observed 1996-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.747
ep 0.104
sin(ip) 0.125
G 0.150
H 15.010
Mass
D 3.03 0.431
pV 0.211 0.0529
Value
Rotational Period 2.957
Period quality 2
Spectral Class D
Spectral Class Score 9.953
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7471 0.1043 0.1249 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.03 0.431 0.431 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.211 0.0529 0.0529 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
15.01 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.95736 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
A D 0.1501 0.3070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C D 0.2273 0.3070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.3359 0.3070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.5876 0.3070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.7353 0.3070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L D 0.2092 0.3070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S D 0.3178 0.3070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X D 0.0507 0.3070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X D 0.5646 0.3070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT