Delportia

01274, 1918 RA, 1918RA, 1926 AA, 1926AA, 1928 RX, 1928RX, 1932 WC, 1932WC, 1934 JD, 1934JD, J18R00A, J26A00A, J28R00X, J32W00C, J34J00D

All data for this body: [vot]

MPC data
Name (number) Delportia (1274)
a 2.22863
e 0.11413
i / sin(i) 4.3950 / 0.07663
q 1.97427
Q 2.48299
ω 244.7974
Node 327.0385
m 142.1663
n 0.2962
Epoch 2460800.5
nobs 4835
nopp 45
Years observed 1918-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.229
ep 0.143
sin(ip) 0.072
G 0.150
H 11.940
Mass
D 10.39 0.044
pV 0.288 0.0229
Value
Rotational Period 5.500
Period quality 3
Spectral Class S
Spectral Class Score 15.573
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2289 0.1430 0.0720 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.38 0.048 0.048 Masiero 2011ApJ...741...68M NEATM
12.73 2.550 2.550 Ali-Lagoa 2018A&A...612A..85A NEATM
12.95 0.220 0.220 Usui 2011PASJ...63.1117U NEATM
13.90 1.390 1.390 Ali-Lagoa 2018A&A...612A..85A NEATM
9.61 0.120 0.120 Masiero 2014ApJ...791..121M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.196 0.0390 0.0390 Ali-Lagoa 2018A&A...612A..85A NEATM
0.234 0.0940 0.0940 Ali-Lagoa 2018A&A...612A..85A NEATM
0.310 0.0340 0.0340 Masiero 2011ApJ...741...68M NEATM
0.460 0.0600 0.0600 Masiero 2014ApJ...791..121M 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
11.94 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.5 2 Synodic Behrend LCDB Lightcurve
5.56 3 Synodic Benishek 2020MPBu...47..231B Lightcurve
5.615 3 Synodic Sheridan LCDB Lightcurve
5.62 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
s Tholen VIS Lazzaro 2004Icar..172..179L SPEC
S 0.901 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 1.000000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S S 0.8611 0.8611 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
SI Bus VIS Lazzaro 2004Icar..172..179L SPEC