1999 BX8

1999BX8, 1979 WD1, 1979WD1, 1997 RH11, 1997RH11, 31430, J79W01D, J97R11H, J99B08X

All data for this body: [vot]

MPC data
Name (number) 1999 BX8 (31430)
a 2.38606
e 0.15304
i / sin(i) 2.2066 / 0.03850
q 2.02090
Q 2.75123
ω 279.5344
Node 192.3472
m 60.9425
n 0.2674
Epoch 2460800.5
nobs 2325
nopp 22
Years observed 1979-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.387
ep 0.176
sin(ip) 0.047
G 0.150
H 14.980
Mass
D 3.11 0.102
pV 0.264 0.0365
Value
Rotational Period 54.800
Period quality 2
Spectral Class S
Spectral Class Score 2.406
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
135 Hertha 0 Hertha Novakovic 2019EPSC...13.1671N HCM
44 Nysa 405 Nysa-Polana -0.4300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3868 0.1765 0.0469 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.11 0.102 0.102 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.264 0.0365 0.0365 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
14.98 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
54.87 2 Sidereal Durech 2018A&A...617A..57D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.401 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT