Zachia

00999, 1915 VC, 1915VC, 1923 PE, 1923PE, 1939 HA, 1939HA, 1940 RH, 1940RH, 1957 SH, 1957SH, 1972 CG, 1972CG, J15V00C, J23P00E, J39H00A, J40R00H, J57S00H, J72C00G

All data for this body: [vot]

MPC data
Name (number) Zachia (999)
a 2.61220
e 0.21577
i / sin(i) 9.7564 / 0.16946
q 2.04857
Q 3.17584
ω 127.9334
Node 214.8941
m 19.2661
n 0.2334
Epoch 2460800.5
nobs 5525
nopp 50
Years observed 1923-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.612
ep 0.175
sin(ip) 0.184
G 0.150
H 10.900
Mass
D 17.75 0.094
pV 0.216 0.0214
Value
Rotational Period 22.830
Period quality 3
Spectral Class S
Spectral Class Score 11.993
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6125 0.1748 0.1839 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.85 0.180 0.180 Masiero 2014ApJ...791..121M NEATM
18.01 0.111 0.111 Masiero 2011ApJ...741...68M NEATM
19.30 3.860 3.860 Ali-Lagoa 2018A&A...612A..85A NEATM
21.30 0.790 0.790 Usui 2011PASJ...63.1117U NEATM
23.02 4.600 4.600 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.177 0.0710 0.0710 Ali-Lagoa 2018A&A...612A..85A NEATM
0.201 0.0359 0.0359 Masiero 2011ApJ...741...68M NEATM
0.230 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.251 0.1000 0.1000 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
10.90 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
22.77 2 Synodic Warner 2000MPBu...27....4W Lightcurve
22.812 2 Synodic Pal 2020ApJS..247...26P Lightcurve
22.835 3- Synodic Dose 2021MPBu...48...69D Lightcurve
22.8364 2 Sidereal Durech 2020A&A...643A..59D Model
22.837 3 Synodic Brines 2017MPBu...44..145B Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.999 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9998 0.9990 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.1212 0.9990 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT