1998 SY40

1998SY40, 2009 QS12, 2009QS12, J98S40Y, K09Q12S, W9260

All data for this body: [vot]

MPC data
Name (number) 1998 SY40 (329260)
a 2.38421
e 0.19458
i / sin(i) 2.7000 / 0.04711
q 1.92029
Q 2.84813
ω 138.3547
Node 195.1468
m 101.6306
n 0.2677
Epoch 2460800.5
nobs 293
nopp 11
Years observed 1998-2025
rms 0.94
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.383
ep 0.156
sin(ip) 0.055
G 0.150
H 17.880
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 0.786
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana -0.1100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3827 0.1564 0.0553 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
17.88 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C C 0.1310 0.1310 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT