1999 SN1

1999SN1, 36173, J99S01N

All data for this body: [vot]

MPC data
Name (number) 1999 SN1 (36173)
a 2.62124
e 0.12807
i / sin(i) 14.3382 / 0.24765
q 2.28553
Q 2.95696
ω 183.8534
Node 39.2524
m 197.8633
n 0.2322
Epoch 2460800.5
nobs 3720
nopp 22
Years observed 1976-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.620
ep 0.169
sin(ip) 0.233
G 0.150
H 13.260
Mass
D 6.02 0.076
pV 0.343 0.0666
Value
Rotational Period 3.667
Period quality 2
Spectral Class S
Spectral Class Score 53.876
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6203 0.1688 0.2329 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.98 0.079 0.079 Masiero 2011ApJ...741...68M NEATM
6.61 0.280 0.280 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.342 0.0678 0.0678 Masiero 2011ApJ...741...68M NEATM
0.369 0.3520 0.3520 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
13.26 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.667096 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.712 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.2892 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.4422 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.4489 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7725 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7879 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8153 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8761 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9198 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9565 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9589 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 1.0000 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X S 0.2811 0.6850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT