Messick

06690, 1981 SY1, 1981SY1, 1988 UM, 1988UM, J81S01Y, J88U00M

All data for this body: [vot]

MPC data
Name (number) Messick (6690)
a 2.26021
e 0.15416
i / sin(i) 3.7562 / 0.06551
q 1.91178
Q 2.60864
ω 333.2399
Node 319.2143
m 350.9075
n 0.2901
Epoch 2460800.5
nobs 4054
nopp 26
Years observed 1981-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.260
ep 0.125
sin(ip) 0.071
G 0.150
H 13.680
Mass
D 3.97 0.183
pV 0.448 0.0602
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.6000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2603 0.1254 0.0713 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.73 0.810 0.810 Nugent 2016AJ....152...63N NEATM
3.98 0.188 0.188 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.280 0.1400 0.1400 Nugent 2016AJ....152...63N NEATM
0.486 0.0667 0.0667 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
13.68 MPC-2023-12-04 MPC-2023-12-04 Phot