Bias

1988 AV4, 1988AV4, 1998 VR38, 1998VR38, 38050, J88A04V, J98V38R

All data for this body: [vot]

MPC data
Name (number) Bias (38050)
a 5.19026
e 0.07598
i / sin(i) 28.5595 / 0.47807
q 4.79589
Q 5.58463
ω 193.9654
Node 233.5267
m 67.0752
n 0.0834
Epoch 2460800.5
nobs 4277
nopp 27
Years observed 1982-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 9.890
Mass
D 61.49 0.329
pV 0.058 0.0067
Value
Rotational Period 18.850
Period quality 3
Spectral Class D
Spectral Class Score 11.802
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
40.06 8.010 8.010 Ali-Lagoa 2018A&A...612A..85A NEATM
50.44 4.240 4.240 Usui 2011PASJ...63.1117U NEATM
57.95 11.590 11.590 Ali-Lagoa 2018A&A...612A..85A NEATM
61.60 0.330 0.330 Grav 2012ApJ...759...49G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.056 0.0070 0.0070 Grav 2012ApJ...759...49G NEATM
0.067 0.0270 0.0270 Ali-Lagoa 2018A&A...612A..85A NEATM
0.141 0.0560 0.0560 Ali-Lagoa 2018A&A...612A..85A 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
9.89 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
18.854 3 Synodic Molnar 2008MPBu...35...82M Lightcurve
18.88 2- Synodic Melita 2010P&SS...58.1035M Lightcurve
18.917 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D 0.812 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
D 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Ds Ds None None Movis NIR Popescu 2018A&A...617A..12P PHOT