1994 PH18

1994PH18, 13597, 1991 VN11, 1991VN11, J91V11N, J94P18H

All data for this body: [vot]

MPC data
Name (number) 1994 PH18 (13597)
a 2.35618
e 0.16734
i / sin(i) 2.5316 / 0.04417
q 1.96190
Q 2.75046
ω 73.7748
Node 166.4246
m 255.7434
n 0.2725
Epoch 2460800.5
nobs 1598
nopp 22
Years observed 1991-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.355
ep 0.185
sin(ip) 0.043
G 0.150
H 15.650
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 7.798
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
135 Hertha 0 Hertha Novakovic 2019EPSC...13.1671N HCM
44 Nysa 405 Nysa-Polana -0.5700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3552 0.1850 0.0433 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
15.65 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
L 0.63 Bus VIS Carvano 2010A&A...510A..43C PHOT
L L 0.5002 0.3810 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L L 0.5895 0.3810 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.869 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
V L 0.5305 0.3810 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT