1999 XK177

1999XK177, 43173, J99XH7K

All data for this body: [vot]

MPC data
Name (number) 1999 XK177 (43173)
a 3.16312
e 0.06087
i / sin(i) 16.8427 / 0.28975
q 2.97058
Q 3.35567
ω 204.3185
Node 86.3842
m 354.5125
n 0.1752
Epoch 2460800.5
nobs 3630
nopp 23
Years observed 1998-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Ursula (375)
 
ap 3.164
ep 0.060
sin(ip) 0.270
G 0.150
H 12.560
Mass
D 17.51 1.239
pV 0.060 0.0240
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 2.316
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
375 Ursula 0 Ursula Novakovic 2019EPSC...13.1671N HCM
375 Ursula 631 Ursula Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1639 0.0596 0.2698 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.45 1.320 1.320 Usui 2011PASJ...63.1117U NEATM
17.95 3.590 3.590 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0240 0.0240 Ali-Lagoa 2018A&A...612A..85A 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
12.56 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
B 0.386 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT