1999SY27

1984YB, 2002LX14, D4577, J84Y00B, J99S27Y, K02L14X

All data for this body: [vot]

MPC data
Name (number) 1999SY27 (134577)
Packed designation D4577
a 2.46001
e 0.08790
i / sin(i) 28.6388 / 0.47929
q 2.24378
Q 2.67623
ω 125.3343
Node 252.6043
m 271.0458
n 0.2554
Epoch 2459600.5
nobs 953
nopp 15
Years observed 1999-2021
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.462
ep 0.100
sin(ip) 0.472
Value Standard error
G 0.150
H 14.250
Mass
D 6.84 0.214
pV 0.072 0.0092
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4617 0.0997 0.4725 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
6.20 2.097 2.097 Masiero 2017AJ....154..168M NEATM
6.58 0.238 0.238 Masiero 2011ApJ...741...68M NEATM
7.02 2.360 2.360 Masiero 2020PSJ.....1....5M NEATM
8.08 0.530 0.530 Masiero 2012ApJ...759L...8M NEATM
8.14 2.210 2.210 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
0.056 0.0620 0.0620 Masiero 2020PSJ.....1....5M NEATM
0.068 0.0100 0.0100 Masiero 2012ApJ...759L...8M NEATM
0.075 0.0590 0.0590 Masiero 2020PSJ.....1....5M NEATM
0.103 0.0735 0.0735 Masiero 2017AJ....154..168M NEATM
0.112 0.0307 0.0307 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.25 MPC-2022-01-18 MPC-2022-01-18 Phot