1998 XR77

1998XR77, 1999 CL33, 1999CL33, 2001 KX9, 2001KX9, 49423, J98X77R, J99C33L, K01K09X

All data for this body: [vot]

MPC data
Name (number) 1998 XR77 (49423)
a 2.55624
e 0.28013
i / sin(i) 6.3502 / 0.11060
q 1.84016
Q 3.27232
ω 292.2512
Node 82.7506
m 198.3426
n 0.2412
Epoch 2460800.5
nobs 2493
nopp 21
Years observed 1998-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.558
ep 0.184
sin(ip) 0.093
G 0.150
H 15.170
Mass
D 2.86 0.028
pV 0.259 0.0226
Value
Rotational Period 5.380
Period quality 2
Spectral Class S
Spectral Class Score 26.819
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5580 0.1836 0.0926 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.86 0.028 0.028 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.259 0.0226 0.0226 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
15.17 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.3834 2 Synodic Pal 2020ApJS..247...26P Lightcurve
5.384 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K S 0.2330 0.4010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.665 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.2741 0.4010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5886 0.4010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9558 0.4010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9900 0.4010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9964 0.4010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X S 0.4501 0.4010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT