Delamere

16975, 1989 SU8, 1989SU8, 1998 YX29, 1998YX29, J89S08U, J98Y29X

All data for this body: [vot]

MPC data
Name (number) Delamere (16975)
a 2.39150
e 0.21911
i / sin(i) 10.6751 / 0.18524
q 1.86749
Q 2.91550
ω 230.4426
Node 8.0670
m 316.1889
n 0.2665
Epoch 2460800.5
nobs 3939
nopp 21
Years observed 1989-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Chaldaea (313)
 
ap 2.392
ep 0.234
sin(ip) 0.189
G 0.150
H 13.960
Mass
D 7.50 0.063
pV 0.143 0.0021
Value
Rotational Period 16.272
Period quality 2
Spectral Class C
Spectral Class Score 6.196
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
313 Chaldaea 415 Chaldaea 0.3000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3920 0.2342 0.1886 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.38 1.270 1.270 Masiero 2020PSJ.....1....5M NEATM
6.45 0.350 0.350 Usui 2011PASJ...63.1117U NEATM
6.56 1.720 1.720 Masiero 2020PSJ.....1....5M NEATM
7.19 0.720 0.720 Ali-Lagoa 2018A&A...612A..85A NEATM
7.54 0.064 0.064 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.099 0.0590 0.0590 Masiero 2020PSJ.....1....5M NEATM
0.107 0.0210 0.0210 Ali-Lagoa 2018A&A...612A..85A NEATM
0.128 0.0720 0.0720 Masiero 2020PSJ.....1....5M NEATM
0.143 0.0021 0.0021 Masiero 2011ApJ...741...68M 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
13.96 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
16.2721 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C C 0.4633 0.5320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.5693 0.5320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT