1991 PT9

1991PT9, 1998 OL1, 1998OL1, 48453, J91P09T, J98O01L

All data for this body: [vot]

MPC data
Name (number) 1991 PT9 (48453)
a 2.28688
e 0.21792
i / sin(i) 24.7581 / 0.41879
q 1.78853
Q 2.78524
ω 358.1061
Node 286.7845
m 115.1349
n 0.2850
Epoch 2460200.5
nobs 2794
nopp 22
Years observed 1991-2023
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.287
ep 0.284
sin(ip) 0.407
Value Standard error
G 0.150
H 13.750
Mass
D 4.16 0.318
pV 0.307 0.0435
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2867 0.2837 0.4071 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.42 0.660 0.660 Nugent 2016AJ....152...63N NEATM
4.25 0.383 0.383 Masiero 2011ApJ...741...68M NEATM
5.49 1.120 1.120 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.160 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.300 0.1200 0.1200 Nugent 2016AJ....152...63N NEATM
0.427 0.0627 0.0627 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
13.75 MPC-2023-12-04 MPC-2023-12-04 Phot