1999 XR11

1999XR11, 1976 UY19, 1976UY19, 41219, J76U19Y, J99X11R

All data for this body: [vot]

MPC data
Name (number) 1999 XR11 (41219)
a 2.75753
e 0.28974
i / sin(i) 17.1300 / 0.29454
q 1.95856
Q 3.55650
ω 300.2519
Node 28.1233
m 250.0062
n 0.2152
Epoch 2460800.5
nobs 1231
nopp 21
Years observed 1976-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.759
ep 0.234
sin(ip) 0.296
G 0.150
H 15.030
Mass
D 6.89 0.435
pV 0.041 0.0089
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 6.232
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7587 0.2339 0.2964 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.10 1.380 1.380 Masiero 2020PSJ.....1....5M NEATM
6.66 1.390 1.390 Masiero 2020PSJ.....1....5M NEATM
7.01 0.486 0.486 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.039 0.0103 0.0103 Masiero 2011ApJ...741...68M NEATM
0.044 0.0280 0.0280 Masiero 2020PSJ.....1....5M NEATM
0.047 0.0220 0.0220 Masiero 2020PSJ.....1....5M 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
15.03 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
C X 0.6518 0.4540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.2009 0.4540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.8377 0.4540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT