Simeisa

00748, 1913 EL, 1913EL, 1925 QG, 1925QG, 1936 BG, 1936BG, 1941 SU, 1941SU, 1942 XU, 1942XU, 1944 DC, 1944DC, 1951 CX, 1951CX, 1957 UL1, 1957UL1, 1963 MC, 1963MC, J13E00L, J25Q00G, J36B00G, J41S00U, J42X00U, J44D00C, J51C00X, J57U01L, J63M00C

All data for this body: [vot]

MPC data
Name (number) Simeisa (748)
a 3.95242
e 0.18968
i / sin(i) 2.2591 / 0.03942
q 3.20273
Q 4.70212
ω 177.9387
Node 265.3881
m 189.7405
n 0.1254
Epoch 2460800.5
nobs 7187
nopp 63
Years observed 1920-2025
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.965
ep 0.168
sin(ip) 0.062
G 0.150
H 9.090
Mass
D 103.93 0.869
pV 0.043 0.0015
Value
Rotational Period 11.900
Period quality 3
Spectral Class P
Spectral Class Score 11.930
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.9649 0.1683 0.0618 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
102.97 2.200 2.200 Tedesco 2002AJ....123.1056T STM
103.71 1.130 1.130 Grav 2012ApJ...744..197G NEATM
104.34 5.002 5.002 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
106.88 21.380 21.380 Ali-Lagoa 2018A&A...612A..85A NEATM
111.75 2.310 2.310 Usui 2011PASJ...63.1117U NEATM
114.94 11.490 11.490 Ali-Lagoa 2018A&A...612A..85A NEATM
91.51 3.214 3.214 Ryan&Woodward 2010AJ....140..933R IRAS-STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.038 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.041 0.0039 0.0039 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.041 0.0070 0.0070 Grav 2012ApJ...744..197G NEATM
0.042 0.0020 0.0020 Tedesco 2002AJ....123.1056T STM
0.044 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.053 0.0037 0.0037 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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
9.09 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.88 2 Synodic Dahlgren 1998Icar..133..247D Lightcurve
11.903 2 Synodic Pilcher 2021MPBu...48..233P Lightcurve
11.904 3 Synodic Colazo 2022MPBu...49..304C Lightcurve
11.905 3 Synodic Pilcher 2022MPBu...49..164P Lightcurve
11.919 2 Synodic Behrend LCDB Lightcurve
15.9401 2 Sidereal Durech 2019A&A...631A...2D Model
23.633 2 Synodic Warner 2021MPBu...48..164W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Ds Ds None None Movis NIR Popescu 2018A&A...617A..12P PHOT
P Tholen VIS Fornasier 2014Icar..233..163F SPEC
P 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.07 Bus VIS Carvano 2010A&A...510A..43C PHOT
X 0.284 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.3071 0.5250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.6552 0.5250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT