1998 YR27

1998YR27, 1990 AC, 1990AC, 28223, J90A00C, J98Y27R

All data for this body: [vot]

MPC data
Name (number) 1998 YR27 (28223)
a 2.71849
e 0.25137
i / sin(i) 10.0374 / 0.17429
q 2.03515
Q 3.40184
ω 339.7112
Node 125.6748
m 315.8797
n 0.2199
Epoch 2460800.5
nobs 2396
nopp 22
Years observed 1990-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.721
ep 0.264
sin(ip) 0.150
G 0.150
H 14.240
Mass
D 6.25 0.343
pV 0.091 0.0137
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.382
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7215 0.2640 0.1502 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.23 1.370 1.370 Masiero 2020PSJ.....1....5M NEATM
5.58 1.357 1.357 Masiero 2017AJ....154..168M NEATM
6.37 0.367 0.367 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.085 0.0370 0.0370 Masiero 2017AJ....154..168M NEATM
0.091 0.0149 0.0149 Masiero 2011ApJ...741...68M NEATM
0.135 0.1040 0.1040 Masiero 2020PSJ.....1....5M 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
14.24 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 0.897 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
X X 0.4619 0.4619 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT