Sappho

00080, 1864 JA, 1864JA, I64J00A

All data for this body: [vot]

MPC data
Name (number) Sappho (80)
a 2.29579
e 0.19957
i / sin(i) 8.6770 / 0.15086
q 1.83762
Q 2.75396
ω 139.6396
Node 218.6406
m 0.6438
n 0.2833
Epoch 2460800.5
nobs 3515
nopp 76
Years observed 1865-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.296
ep 0.152
sin(ip) 0.163
G 0.150
H 8.050
Mass 6.200e+17 1.492e+17
D 73.62 0.534
pV 0.180 0.0043
Value
Rotational Period 14.000
Period quality 3
Spectral Class S
Spectral Class Score 68.790
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2960 0.1520 0.1626 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.6000e+17 2.1100e+17 2.1100e+17 Fienga 2020MNRAS.492..589F Ephem
7.8000e+17 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
60.38 12.080 12.080 Ali-Lagoa 2018A&A...612A..85A NEATM
66.00 8.000 8.000 Hanus 2017A&A...601A.114H AO/OCCULT/LC
67.00 11.000 11.000 Durech 2011Icar..214..652D OCCULT
68.56 1.030 1.030 Masiero 2014ApJ...791..121M NEATM
70.84 0.930 0.930 Usui 2011PASJ...63.1117U NEATM
72.00 9.000 9.000 Hanus 2013Icar..226.1045H AO/LC
74.25 3.000 3.000 Masiero 2014ApJ...791..121M NEATM
78.39 1.700 1.700 Tedesco 2002AJ....123.1056T STM
79.00 1.393 1.393 Masiero 2011ApJ...741...68M NEATM
79.00 9.125 9.125 Masiero 2011ApJ...741...68M NEATM
79.97 8.000 8.000 Ali-Lagoa 2018A&A...612A..85A NEATM
81.15 2.652 2.652 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
84.85 2.109 2.109 Ryan&Woodward 2010AJ....140..933R IRAS-STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.158 0.0079 0.0079 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.173 0.0107 0.0107 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.181 0.0360 0.0360 Ali-Lagoa 2018A&A...612A..85A NEATM
0.181 0.0298 0.0298 Masiero 2011ApJ...741...68M NEATM
0.181 0.0568 0.0568 Masiero 2011ApJ...741...68M NEATM
0.185 0.0080 0.0080 Tedesco 2002AJ....123.1056T STM
0.210 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.240 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM
0.317 0.1270 0.1270 Ali-Lagoa 2018A&A...612A..85A 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
8.05 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
14.025 3- Synodic Pilcher 2010MPBu...37..148P Lightcurve
14.03 3 Synodic Debehogne 1990acm..proc...45D Lightcurve
14.03086 2 Sidereal Hanus 2017A&A...601A.114H Model
14.03087 2 Sidereal Durech 2009A&A...493..291D Model
14.03087 2 Sidereal Durech 2011Icar..214..652D Model
14.03087 2 Sidereal Hanus 2013Icar..226.1045H Model
14.03087 2 Sidereal Martikainen 2021A&A...649A..98M Model
14.03088 2 Sidereal Durech LCDB Model
14.0387 2 Sidereal Michalowski 1993Icar..106..563M Model
14.05 3 Synodic Harris 1983Icar...54...59H Lightcurve
20.0 0 Synodic Scaltriti 1978Icar...34..428S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
S 0.970000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
So Howell VISNIR Howell 1994JGR....9910847H PHOT
S Bus-DeMeo VISNIR Bourdelle de Micas 2022A&A...665A..83B SPEC
S Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
S Bus VIS Bus 2002Icar..158..146B SPEC
S Tholen VIS Clark 1995Icar..113..387C PHOT