Katherinewu

1986 ER4, 1986ER4, 2000 HY13, 2000HY13, 28765, J86E04R, K00H13Y

All data for this body: [vot]

MPC data
Name (number) Katherinewu (28765)
a 2.25442
e 0.11819
i / sin(i) 1.6485 / 0.02877
q 1.98796
Q 2.52087
ω 286.3307
Node 44.8974
m 50.2427
n 0.2912
Epoch 2460800.5
nobs 2679
nopp 22
Years observed 1986-2024
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.255
ep 0.073
sin(ip) 0.019
G 0.150
H 14.910
Mass
D 3.16 0.062
pV 0.208 0.0290
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 2.758
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2545 0.0729 0.0188 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.12 0.065 0.065 Masiero 2011ApJ...741...68M NEATM
3.63 0.223 0.223 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.176 0.0412 0.0412 Masiero 2011ApJ...741...68M NEATM
0.239 0.0407 0.0407 Masiero 2011ApJ...741...68M 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
14.91 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
D D 0.4597 0.4597 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
DL 0.07 Bus VIS Carvano 2010A&A...510A..43C PHOT
K 0.111 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT