1999 YN4

1999YN4, 18882, J99Y04N

All data for this body: [vot]

MPC data
Name (number) 1999 YN4 (18882)
a 1.68513
e 0.23203
i / sin(i) 36.8144 / 0.59923
q 1.29413
Q 2.07612
ω 242.6777
Node 291.6663
m 139.9991
n 0.4506
Epoch 2460800.5
nobs 2881
nopp 17
Years observed 1954-2025
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 16.150
Mass
D
pV
Value
Rotational Period 2.460
Period quality 3
Spectral Class S
Spectral Class Score 30.500
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
16.15 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.346 2+ Synodic Warner 2022MPBu...49...83W Lightcurve
2.466 3 Synodic Skiff 2023MPBu...50...74S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Bus-DeMeo VISNIR Binzel 2019Icar..324...41B SPEC
S Tholen VIS Binzel 2001Icar..151..139B SPEC
S 0.900000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
Sr Bus-DeMeo VISNIR Thomas 2014Icar..228..217T SPEC