1999 XZ57

1999XZ57, 2001 FR55, 2001FR55, 49816, J99X57Z, K01F55R

All data for this body: [vot]

MPC data
Name (number) 1999 XZ57 (49816)
a 2.25755
e 0.08431
i / sin(i) 4.0230 / 0.07016
q 2.06722
Q 2.44787
ω 337.2386
Node 220.3291
m 58.1998
n 0.2906
Epoch 2460800.5
nobs 2678
nopp 19
Years observed 1998-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.257
ep 0.127
sin(ip) 0.084
G 0.150
H 15.180
Mass
D 2.51 0.409
pV 0.336 0.1216
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.3100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2574 0.1266 0.0838 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.51 0.409 0.409 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.336 0.1216 0.1216 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
15.18 MPC-2023-12-04 MPC-2023-12-04 Phot