Sawamura

16552, 1984 YG5, 1984YG5, 1991 SB, 1991SB, 1997 EU54, 1997EU54, J84Y05G, J91S00B, J97E54U

All data for this body: [vot]

MPC data
Name (number) Sawamura (16552)
a 2.42144
e 0.13249
i / sin(i) 2.4956 / 0.04354
q 2.10061
Q 2.74226
ω 180.3725
Node 216.2043
m 308.1046
n 0.2616
Epoch 2460800.5
nobs 4962
nopp 23
Years observed 1984-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.421
ep 0.112
sin(ip) 0.055
G 0.150
H 14.550
Mass
D 7.30 0.036
pV 0.080 0.0139
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 6.250
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4214 0.1121 0.0547 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.83 1.300 1.300 Nugent 2016AJ....152...63N NEATM
5.99 1.510 1.510 Masiero 2020PSJ.....1....5M NEATM
6.50 1.090 1.090 Masiero 2012ApJ...759L...8M NEATM
7.30 0.036 0.036 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.076 0.0162 0.0162 Masiero 2011ApJ...741...68M NEATM
0.080 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.094 0.0890 0.0890 Masiero 2020PSJ.....1....5M NEATM
0.096 0.0340 0.0340 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
14.55 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.988 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.0536 0.0470 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT