Akiyama

02153, 1955 UQ1, 1955UQ1, 1972 YA, 1972YA, 1973 AK3, 1973AK3, 1977 VW, 1977VW, 1978 XD, 1978XD, 1979 FS, 1979FS, J55U01Q, J72Y00A, J73A03K, J77V00W, J78X00D, J79F00S

All data for this body: [vot]

MPC data
Name (number) Akiyama (2153)
a 3.12431
e 0.15170
i / sin(i) 1.1688 / 0.02040
q 2.65035
Q 3.59827
ω 36.1651
Node 47.2231
m 193.1701
n 0.1785
Epoch 2460800.5
nobs 4543
nopp 37
Years observed 1954-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.117
ep 0.153
sin(ip) 0.019
G 0.150
H 12.130
Mass
D 22.27 0.218
pV 0.065 0.0066
Value
Rotational Period 12.530
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis -0.2900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1171 0.1529 0.0187 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.79 1.400 1.400 Tedesco 2002AJ....123.1056T STM
19.40 6.880 6.880 Nugent 2016AJ....152...63N NEATM
19.86 6.380 6.380 Nugent 2016AJ....152...63N NEATM
21.15 0.360 0.360 Masiero 2012ApJ...759L...8M NEATM
23.17 0.280 0.280 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.057 0.0080 0.0080 Masiero 2012ApJ...759L...8M NEATM
0.060 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.069 0.0170 0.0170 Masiero 2012ApJ...759L...8M NEATM
0.070 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM
0.109 0.0200 0.0200 Tedesco 2002AJ....123.1056T STM
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
12.13 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.513 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
12.531 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve
12.532 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
12.5327 2 Sidereal Durech 2023A&A...675A..24D Model