Stevenson

05211, 1989 NX, 1989NX, J89N00X

All data for this body: [vot]

MPC data
Name (number) Stevenson (5211)
a 2.29547
e 0.24388
i / sin(i) 26.7859 / 0.45066
q 1.73565
Q 2.85529
ω 185.5537
Node 133.8510
m 95.2309
n 0.2834
Epoch 2460800.5
nobs 4940
nopp 25
Years observed 1979-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.295
ep 0.296
sin(ip) 0.413
G 0.150
H 13.360
Mass
D 5.63 0.025
pV 0.261 0.0269
Value
Rotational Period 14.100
Period quality 3
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
25 Phocaea 0 Phocaea Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2946 0.2965 0.4134 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.92 0.920 0.920 Masiero 2020PSJ.....1....5M NEATM
5.54 0.050 0.050 Masiero 2014ApJ...791..121M NEATM
5.66 0.029 0.029 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.241 0.0380 0.0380 Masiero 2011ApJ...741...68M NEATM
0.280 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM
0.297 0.1220 0.1220 Masiero 2020PSJ.....1....5M 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
13.36 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
14.18 3 Synodic Warner 2013MPBu...40..208W Lightcurve
14.206 2 Synodic Waszczak 2015AJ....150...75W Lightcurve