Dalem

1991 RO29, 1991RO29, 1998 HD148, 1998HD148, 20358, J91R29O, J98HE8D

All data for this body: [vot]

MPC data
Name (number) Dalem (20358)
a 2.59746
e 0.14763
i / sin(i) 12.1349 / 0.21022
q 2.21401
Q 2.98091
ω 190.0101
Node 234.4175
m 327.2099
n 0.2354
Epoch 2460800.5
nobs 3276
nopp 22
Years observed 1991-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.599
ep 0.148
sin(ip) 0.219
G 0.150
H 13.510
Mass
D 6.08 0.149
pV 0.226 0.0273
Value
Rotational Period 4.372
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia -0.5200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5987 0.1476 0.2188 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.03 0.170 0.170 Masiero 2011ApJ...741...68M NEATM
6.24 0.308 0.308 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.217 0.0435 0.0435 Masiero 2011ApJ...741...68M NEATM
0.233 0.0351 0.0351 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
13.51 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.37183 2 Sidereal Durech 2023A&A...675A..24D Model