1999 NB13

1999NB13, 1989 YK2, 1989YK2, 40353, J89Y02K, J99N13B

All data for this body: [vot]

MPC data
Name (number) 1999 NB13 (40353)
a 2.40924
e 0.19623
i / sin(i) 13.5508 / 0.23431
q 1.93647
Q 2.88201
ω 57.2907
Node 296.4569
m 269.3723
n 0.2636
Epoch 2460800.5
nobs 3031
nopp 22
Years observed 1989-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.409
ep 0.119
sin(ip) 0.249
G 0.150
H 13.700
Mass
D 6.22 0.213
pV 0.211 0.0176
Value
Rotational Period 6.054
Period quality 2
Spectral Class L
Spectral Class Score 6.418
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4090 0.1186 0.2491 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.16 0.247 0.247 Masiero 2011ApJ...741...68M NEATM
6.40 0.420 0.420 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.188 0.0300 0.0300 Masiero 2012ApJ...759L...8M NEATM
0.223 0.0217 0.0217 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
13.70 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.054307 2 Sidereal Durech 2020A&A...643A..59D Model
6.05433 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
L 0.69 Bus VIS Carvano 2010A&A...510A..43C PHOT
L L 0.8397 0.8380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT