Roadrunner

16421, 1988 BJ, 1988BJ, J88B00J

All data for this body: [vot]

MPC data
Name (number) Roadrunner (16421)
a 1.93085
e 0.06399
i / sin(i) 22.8193 / 0.38783
q 1.80729
Q 2.05441
ω 234.4344
Node 309.7596
m 46.1271
n 0.3674
Epoch 2460200.5
nobs 3279
nopp 19
Years observed 1988-2023
rms 0.45
Best values
[raw, vot]

Value Standard error
Parent
 
ap 1.931
ep 0.057
sin(ip) 0.432
Value Standard error
G 0.150
H 14.580
Mass
D 3.26 0.037
pV 0.260 0.0404
Rotational Period 174.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.9307 0.0565 0.4321 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.25 0.037 0.037 Masiero 2011ApJ...741...68M NEATM
3.40 0.960 0.960 Nugent 2016AJ....152...63N NEATM
3.72 1.213 1.213 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.244 0.1375 0.1375 Masiero 2017AJ....154..168M NEATM
0.250 0.1200 0.1200 Nugent 2016AJ....152...63N NEATM
0.263 0.0451 0.0451 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
14.58 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
173.00 Warner 2012MPBu...39..158W Lightcurve
174.00 Warner 2014MPBu...41...27W Lightcurve