1999 SY3

1999SY3, 19697, 1997 EF56, 1997EF56, J97E56F, J99S03Y

All data for this body: [vot]

MPC data
Name (number) 1999 SY3 (19697)
a 3.21747
e 0.13560
i / sin(i) 0.4833 / 0.00843
q 2.78120
Q 3.65375
ω 302.2729
Node 345.2093
m 213.8742
n 0.1708
Epoch 2460800.5
nobs 2360
nopp 25
Years observed 1993-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.220
ep 0.133
sin(ip) 0.026
G 0.150
H 13.880
Mass
D 8.98 0.147
pV 0.060 0.0110
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.020
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 0.6800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2205 0.1328 0.0257 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.98 0.147 0.147 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0110 0.0110 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
13.88 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.51 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.2116 0.2116 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT