Millman

02904, 1939 VF, 1939VF, 1939 XG, 1939XG, 1960 WO, 1960WO, 1960 XB, 1960XB, 1981 WK9, 1981WK9, 1981 YB, 1981YB, J39V00F, J39X00G, J60W00O, J60X00B, J81W09K, J81Y00B

All data for this body: [vot]

MPC data
Name (number) Millman (2904)
a 2.60255
e 0.13972
i / sin(i) 15.4010 / 0.26557
q 2.23891
Q 2.96618
ω 331.5529
Node 79.4533
m 128.1773
n 0.2348
Epoch 2460800.5
nobs 4785
nopp 27
Years observed 1960-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.603
ep 0.135
sin(ip) 0.246
G 0.150
H 11.820
Mass
D 15.64 0.090
pV 0.161 0.0109
Value
Rotational Period 12.660
Period quality 3-
Spectral Class X
Spectral Class Score 11.966
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6030 0.1354 0.2462 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.77 0.300 0.300 Masiero 2012ApJ...759L...8M NEATM
14.35 1.430 1.430 Ali-Lagoa 2018A&A...612A..85A NEATM
15.46 0.130 0.130 Masiero 2014ApJ...791..121M NEATM
15.60 0.240 0.240 Usui 2011PASJ...63.1117U NEATM
16.70 1.670 1.670 Ali-Lagoa 2018A&A...612A..85A NEATM
16.88 2.000 2.000 Tedesco 2002AJ....123.1056T STM
16.93 0.172 0.172 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.135 0.0270 0.0270 Ali-Lagoa 2018A&A...612A..85A NEATM
0.142 0.0197 0.0197 Masiero 2011ApJ...741...68M NEATM
0.142 0.0410 0.0410 Tedesco 2002AJ....123.1056T STM
0.170 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.183 0.0370 0.0370 Ali-Lagoa 2018A&A...612A..85A NEATM
0.248 0.0400 0.0400 Masiero 2012ApJ...759L...8M 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
11.82 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.6603 3- Synodic Benishek 2016MPBu...43..339B Lightcurve
12.6607 2 Sidereal Durech 2023A&A...675A..24D Model
12.66093 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.95 Bus VIS Carvano 2010A&A...510A..43C PHOT
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.6776 0.6776 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT