Schwassmannia

00989, 1922 WD, 1922WD, 1935 UE, 1935UE, 1935 UF, 1935UF, J22W00D, J35U00E, J35U00F

All data for this body: [vot]

MPC data
Name (number) Schwassmannia (989)
a 2.66063
e 0.24970
i / sin(i) 14.6904 / 0.25360
q 1.99627
Q 3.32499
ω 165.5568
Node 243.3049
m 87.6645
n 0.2271
Epoch 2460200.5
nobs 4104
nopp 33
Years observed 1922-2023
rms 0.46
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.659
ep 0.249
sin(ip) 0.255
Value Standard error
G 0.150
H 11.830
Mass
D 13.77 0.053
pV 0.199 0.0175
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6595 0.2492 0.2550 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.20 1.120 1.120 Usui 2011PASJ...63.1117U NEATM
12.63 0.120 0.120 Masiero 2014ApJ...791..121M NEATM
12.68 2.540 2.540 Ali-Lagoa 2018A&A...612A..85A NEATM
12.86 0.800 0.800 Tedesco 2002AJ....123.1056T STM
14.06 0.059 0.059 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.172 0.0262 0.0262 Masiero 2011ApJ...741...68M NEATM
0.203 0.0270 0.0270 Tedesco 2002AJ....123.1056T STM
0.209 0.0840 0.0840 Ali-Lagoa 2018A&A...612A..85A NEATM
0.310 0.0600 0.0600 Masiero 2014ApJ...791..121M 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
11.83 MPC-2023-12-04 MPC-2023-12-04 Phot