Herba

00880, 1917 OC, 1917OC, 1954 YC, 1954YC, J17O00C, J54Y00C

All data for this body: [vot]

MPC data
Name (number) Herba (880)
a 3.00039
e 0.32232
i / sin(i) 15.1371 / 0.26113
q 2.03329
Q 3.96748
ω 100.8876
Node 262.5570
m 228.9332
n 0.1896
Epoch 2460800.5
nobs 5452
nopp 32
Years observed 1917-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.002
ep 0.257
sin(ip) 0.308
G 0.150
H 11.310
Mass
D 31.85 0.262
pV 0.051 0.0051
Value
Rotational Period 12.260
Period quality 3
Spectral Class X
Spectral Class Score 2.814
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0024 0.2567 0.3084 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
27.48 2.750 2.750 Ali-Lagoa 2018A&A...612A..85A NEATM
30.69 0.550 0.550 Masiero 2012ApJ...759L...8M NEATM
30.78 12.432 12.432 Masiero 2017AJ....154..168M NEATM
32.13 0.440 0.440 Usui 2011PASJ...63.1117U NEATM
32.33 0.414 0.414 Masiero 2011ApJ...741...68M NEATM
33.47 3.350 3.350 Ali-Lagoa 2018A&A...612A..85A NEATM
34.72 8.966 8.966 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0182 0.0182 Masiero 2017AJ....154..168M NEATM
0.044 0.0111 0.0111 Masiero 2011ApJ...741...68M NEATM
0.047 0.0322 0.0322 Masiero 2017AJ....154..168M NEATM
0.049 0.0090 0.0090 Masiero 2012ApJ...759L...8M NEATM
0.052 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.077 0.0150 0.0150 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
11.31 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.215 3- Synodic Warner 2007MPBu...34...32W Lightcurve
12.2499 2 Synodic Pal 2020ApJS..247...26P Lightcurve
12.266 3 Synodic Pilcher 2012MPBu...39...57P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X 0.469 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT