Balder

04059, 1956 XQ, 1956XQ, 1977 TC4, 1977TC4, 1977 TM7, 1977TM7, 1977 VG2, 1977VG2, 1983 XW1, 1983XW1, 1987 SB5, 1987SB5, J56X00Q, J77T04C, J77T07M, J77V02G, J83X01W, J87S05B

All data for this body: [vot]

MPC data
Name (number) Balder (4059)
a 3.01952
e 0.06684
i / sin(i) 9.4647 / 0.16444
q 2.81771
Q 3.22134
ω 31.4663
Node 238.0442
m 146.2884
n 0.1878
Epoch 2460800.5
nobs 8599
nopp 34
Years observed 1954-2025
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.018
ep 0.084
sin(ip) 0.179
G 0.150
H 11.570
Mass
D 17.43 0.186
pV 0.105 0.0082
Value
Rotational Period 9.721
Period quality 3
Spectral Class X
Spectral Class Score 2.094
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -0.2500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0179 0.0840 0.1788 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.02 0.206 0.206 Masiero 2011ApJ...741...68M NEATM
18.82 0.600 0.600 Usui 2011PASJ...63.1117U NEATM
19.09 3.820 3.820 Ali-Lagoa 2018A&A...612A..85A NEATM
19.76 0.640 0.640 Masiero 2012ApJ...759L...8M NEATM
20.09 4.020 4.020 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.097 0.0092 0.0092 Masiero 2011ApJ...741...68M NEATM
0.137 0.0200 0.0200 Masiero 2012ApJ...759L...8M NEATM
0.137 0.0550 0.0550 Ali-Lagoa 2018A&A...612A..85A NEATM
0.152 0.0610 0.0610 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
11.57 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.7187 2 Sidereal Durech 2023A&A...675A..24D Model
9.7215 3 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X 0.349 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT