Guillermina

03649, 1976 HQ, 1976HQ, 1976 JD2, 1976JD2, 1976 KY1, 1976KY1, 1978 VK12, 1978VK12, 1986 AK1, 1986AK1, J76H00Q, J76J02D, J76K01Y, J78V12K, J86A01K

All data for this body: [vot]

MPC data
Name (number) Guillermina (3649)
a 3.14221
e 0.04900
i / sin(i) 7.1617 / 0.12467
q 2.98823
Q 3.29619
ω 104.1080
Node 117.7327
m 290.4480
n 0.1769
Epoch 2460800.5
nobs 4448
nopp 32
Years observed 1976-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.140
ep 0.086
sin(ip) 0.106
G 0.150
H 12.220
Mass
D 21.95 0.324
pV 0.047 0.0061
Value
Rotational Period 3.883
Period quality 2
Spectral Class X
Spectral Class Score 6.242
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1397 0.0861 0.1064 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
21.23 6.580 6.580 Nugent 2016AJ....152...63N NEATM
21.85 0.334 0.334 Masiero 2011ApJ...741...68M NEATM
21.93 7.660 7.660 Nugent 2016AJ....152...63N NEATM
22.98 4.600 4.600 Ali-Lagoa 2018A&A...612A..85A NEATM
23.27 1.570 1.570 Usui 2011PASJ...63.1117U NEATM
24.72 4.940 4.940 Ali-Lagoa 2018A&A...612A..85A NEATM
26.08 4.890 4.890 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.038 0.0120 0.0120 Masiero 2012ApJ...759L...8M NEATM
0.040 0.0160 0.0160 Ali-Lagoa 2018A&A...612A..85A NEATM
0.047 0.0190 0.0190 Ali-Lagoa 2018A&A...612A..85A NEATM
0.050 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.050 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.054 0.0093 0.0093 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
12.22 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.88264 2 Sidereal Durech 2023A&A...675A..24D Model
3.882648 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 0.210 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.73 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.1238 0.2200 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.3399 0.2200 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT