1998 YD7

1998YD7, 2000 GF55, 2000GF55, 49442, J98Y07D, K00G55F

All data for this body: [vot]

MPC data
Name (number) 1998 YD7 (49442)
a 2.87815
e 0.11133
i / sin(i) 1.6708 / 0.02916
q 2.55773
Q 3.19857
ω 81.0888
Node 21.5132
m 141.3073
n 0.2019
Epoch 2460800.5
nobs 3825
nopp 23
Years observed 1997-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.877
ep 0.123
sin(ip) 0.028
G 0.150
H 13.310
Mass
D 7.32 0.255
pV 0.239 0.0282
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.304
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8765 0.1230 0.0284 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.52 0.540 0.540 Masiero 2011ApJ...741...68M NEATM
7.55 0.289 0.289 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.196 0.0474 0.0474 Masiero 2011ApJ...741...68M NEATM
0.262 0.0350 0.0350 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
13.31 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
S 0.884 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT