Fountain

11670, 1981 EQ1, 1981EQ1, 1992 EA17, 1992EA17, 1998 AU9, 1998AU9, J81E01Q, J92E17A, J98A09U

All data for this body: [vot]

MPC data
Name (number) Fountain (11670)
a 3.09140
e 0.12971
i / sin(i) 0.8730 / 0.01524
q 2.69040
Q 3.49241
ω 245.6145
Node 22.4006
m 299.5294
n 0.1813
Epoch 2460800.5
nobs 4720
nopp 26
Years observed 1981-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.096
ep 0.138
sin(ip) 0.023
G 0.150
H 13.290
Mass
D 12.73 0.055
pV 0.058 0.0100
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 35.389
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis -0.4000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0962 0.1378 0.0234 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.73 0.055 0.055 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.058 0.0100 0.0100 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
13.29 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
B C 0.4836 0.4940 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.5540 0.4940 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.6575 0.4940 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.6673 0.4940 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.7024 0.4940 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.7154 0.4940 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.7963 0.4940 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.9002 0.4940 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.3313 0.4940 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.3970 0.4940 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.4679 0.4940 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.98 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.0812 0.4940 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.1639 0.4940 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT