1999 SX25

1999SX25, 1998 MT, 1998MT, 40739, J98M00T, J99S25X

All data for this body: [vot]

MPC data
Name (number) 1999 SX25 (40739)
a 2.57550
e 0.12820
i / sin(i) 12.3007 / 0.21304
q 2.24534
Q 2.90567
ω 325.9600
Node 251.4302
m 195.2895
n 0.2385
Epoch 2460800.5
nobs 2374
nopp 21
Years observed 1998-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.575
ep 0.164
sin(ip) 0.228
G 0.150
H 14.140
Mass
D 4.08 0.130
pV 0.320 0.0283
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 14.989
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 -0.5900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5750 0.1637 0.2279 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.08 0.130 0.130 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.320 0.0283 0.0283 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
14.14 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 Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S 0.132 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.4243 0.7820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9513 0.7820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9906 0.7820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT