1999 XK9

1999XK9, 2001 KM59, 2001KM59, 49782, J99X09K, K01K59M

All data for this body: [vot]

MPC data
Name (number) 1999 XK9 (49782)
a 2.34597
e 0.27546
i / sin(i) 21.7309 / 0.37025
q 1.69975
Q 2.99218
ω 283.9777
Node 252.0942
m 316.5880
n 0.2743
Epoch 2460800.5
nobs 3155
nopp 23
Years observed 1979-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Phocaea (25)
 
ap 2.345
ep 0.254
sin(ip) 0.405
G 0.150
H 13.840
Mass
D 4.46 0.528
pV 0.243 0.0658
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 10.537
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
25 Phocaea 0 Phocaea Novakovic 2019EPSC...13.1671N HCM
25 Phocaea 701 Phocaea -0.5500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3454 0.2535 0.4053 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.91 0.840 0.840 Nugent 2016AJ....152...63N NEATM
4.72 0.860 0.860 Nugent 2016AJ....152...63N NEATM
4.98 1.110 1.110 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.210 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM
0.250 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM
0.259 0.1060 0.1060 Masiero 2012ApJ...759L...8M 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
13.84 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
S 0.961 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.7952 0.7952 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT