Alekseev

09933, 1985 SM3, 1985SM3, 1988 PQ1, 1988PQ1, J85S03M, J88P01Q

All data for this body: [vot]

MPC data
Name (number) Alekseev (9933)
a 2.15246
e 0.14152
i / sin(i) 3.8565 / 0.06726
q 1.84785
Q 2.45706
ω 83.8323
Node 307.8508
m 179.5987
n 0.3121
Epoch 2460800.5
nobs 3614
nopp 23
Years observed 1985-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.152
ep 0.131
sin(ip) 0.069
G 0.150
H 14.340
Mass
D 3.40 0.063
pV 0.303 0.0055
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 59.692
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1523 0.1309 0.0688 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.26 0.100 0.100 Masiero 2012ApJ...759L...8M NEATM
3.49 0.082 0.082 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.303 0.0055 0.0055 Masiero 2011ApJ...741...68M NEATM
0.380 0.0700 0.0700 Masiero 2012ApJ...759L...8M 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
14.34 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A S 0.8558 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6200 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6848 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7244 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7845 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8349 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8435 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8600 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8796 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8829 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9286 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9505 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9550 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT