Natrees

1997 HL4, 1997HL4, 1998 SL4, 1998SL4, 26276, J97H04L, J98S04L

All data for this body: [vot]

MPC data
Name (number) Natrees (26276)
a 2.16925
e 0.15490
i / sin(i) 2.0772 / 0.03625
q 1.83324
Q 2.50526
ω 307.8140
Node 347.6416
m 176.4343
n 0.3085
Epoch 2460800.5
nobs 2660
nopp 20
Years observed 1997-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.169
ep 0.114
sin(ip) 0.041
G 0.150
H 15.070
Mass
D 2.44 0.525
pV 0.356 0.1038
Value
Rotational Period 8.329
Period quality 2
Spectral Class S
Spectral Class Score 6.616
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1687 0.1135 0.0409 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.44 0.525 0.525 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.356 0.1038 0.1038 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
15.07 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.3294 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
LS 0.56 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.7693 0.7693 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT