1998 RK26

1998RK26, 74180, J98R26K

All data for this body: [vot]

MPC data
Name (number) 1998 RK26 (74180)
a 2.62172
e 0.14880
i / sin(i) 13.7554 / 0.23778
q 2.23160
Q 3.01184
ω 146.1863
Node 148.4744
m 140.0577
n 0.2322
Epoch 2460800.5
nobs 1117
nopp 21
Years observed 1992-2025
rms 0.84
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.620
ep 0.129
sin(ip) 0.227
G 0.150
H 15.370
Mass
D 2.38 0.107
pV 0.326 0.0372
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 5.694
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia -0.1200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6196 0.1293 0.2274 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.38 0.107 0.107 Masiero 2011ApJ...741...68M NEATM
3.08 1.236 1.236 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.204 0.1099 0.1099 Masiero 2011ApJ...741...68M NEATM
0.342 0.0395 0.0395 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
15.37 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 L 0.4012 0.4310 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L L 0.5478 0.4310 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S L 0.1343 0.4310 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S L 0.4422 0.4310 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT