McElroy

01853, 1930 YP, 1930YP, 1950 NX, 1950NX, 1950 OM, 1950OM, 1957 XE, 1957XE, J30Y00P, J50N00X, J50O00M, J57X00E

All data for this body: [vot]

MPC data
Name (number) McElroy (1853)
a 3.06544
e 0.04570
i / sin(i) 15.7841 / 0.27201
q 2.92536
Q 3.20552
ω 94.1348
Node 298.6060
m 257.0180
n 0.1836
Epoch 2460800.5
nobs 5417
nopp 35
Years observed 1930-2025
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.064
ep 0.024
sin(ip) 0.290
G 0.150
H 10.870
Mass
D 23.47 0.126
pV 0.223 0.0149
Value
Rotational Period 8.010
Period quality 3-
Spectral Class X
Spectral Class Score 15.320
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0639 0.0243 0.2902 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.47 0.640 0.640 Masiero 2012ApJ...759L...8M NEATM
19.89 3.980 3.980 Ali-Lagoa 2018A&A...612A..85A NEATM
21.09 0.670 0.670 Usui 2011PASJ...63.1117U NEATM
21.14 1.000 1.000 Tedesco 2002AJ....123.1056T STM
22.58 4.520 4.520 Ali-Lagoa 2018A&A...612A..85A NEATM
23.81 0.150 0.150 Masiero 2014ApJ...791..121M NEATM
24.07 0.282 0.282 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.182 0.0730 0.0730 Ali-Lagoa 2018A&A...612A..85A NEATM
0.199 0.0276 0.0276 Masiero 2011ApJ...741...68M NEATM
0.200 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.234 0.0940 0.0940 Ali-Lagoa 2018A&A...612A..85A NEATM
0.249 0.0260 0.0260 Tedesco 2002AJ....123.1056T STM
0.304 0.0550 0.0550 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
10.87 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.6261 2 Synodic Pal 2020ApJS..247...26P Lightcurve
8.016 3- Synodic Warner 2005MPBu...32....4W Lightcurve
8.023 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
8.026 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
8.0264 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.77 Bus VIS Carvano 2010A&A...510A..43C PHOT
X 0.990 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.4120 0.6890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.8947 0.6890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT