Postrema

01484, 1911 KC, 1911KC, 1933 DH, 1933DH, 1938 HC, 1938HC, J11K00C, J33D00H, J38H00C

All data for this body: [vot]

MPC data
Name (number) Postrema (1484)
a 2.73645
e 0.20698
i / sin(i) 17.2960 / 0.29731
q 2.17005
Q 3.30285
ω 126.9030
Node 72.5995
m 83.4361
n 0.2177
Epoch 2460800.5
nobs 4641
nopp 39
Years observed 1933-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Postrema (1484)
 
ap 2.738
ep 0.239
sin(ip) 0.284
G 0.150
H 10.830
Mass
D 41.94 0.243
pV 0.014 0.0008
Value
Rotational Period 12.192
Period quality 3-
Spectral Class P
Spectral Class Score 6.720
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1484 Postrema 0 Postrema Novakovic 2019EPSC...13.1671N HCM
1484 Postrema 541 Postrema Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7379 0.2390 0.2844 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
34.70 1.954 1.954 Masiero 2011ApJ...741...68M NEATM
38.82 6.780 6.780 Nugent 2016AJ....152...63N NEATM
38.98 10.100 10.100 Masiero 2021PSJ.....2..162M NEATM
39.07 9.460 9.460 Nugent 2016AJ....152...63N NEATM
40.06 14.210 14.210 Masiero 2021PSJ.....2..162M NEATM
40.53 11.020 11.020 Masiero 2020PSJ.....1....5M NEATM
40.87 0.280 0.280 Masiero 2014ApJ...791..121M NEATM
41.10 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
43.05 12.993 12.993 Masiero 2017AJ....154..168M NEATM
43.18 1.000 1.000 Tedesco 2002AJ....123.1056T STM
43.43 16.280 16.280 Masiero 2021PSJ.....2..162M NEATM
45.88 2.361 2.361 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
47.00 0.620 0.620 Usui 2011PASJ...63.1117U NEATM
48.01 4.800 4.800 Ali-Lagoa 2018A&A...612A..85A NEATM
50.88 5.090 5.090 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.012 0.0013 0.0013 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.014 0.0010 0.0010 Tedesco 2002AJ....123.1056T STM
0.020 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.033 0.0070 0.0070 Ali-Lagoa 2018A&A...612A..85A NEATM
0.035 0.0170 0.0320 Masiero 2021PSJ.....2..162M NEATM
0.037 0.0074 0.0074 Masiero 2011ApJ...741...68M NEATM
0.037 0.0070 0.0070 Ali-Lagoa 2018A&A...612A..85A NEATM
0.041 0.0306 0.0306 Masiero 2017AJ....154..168M NEATM
0.041 0.0260 0.0260 Masiero 2020PSJ.....1....5M NEATM
0.044 0.0160 0.0260 Masiero 2021PSJ.....2..162M NEATM
0.045 0.0210 0.0380 Masiero 2021PSJ.....2..162M NEATM
0.050 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.050 0.0200 0.0200 Nugent 2016AJ....152...63N 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
10.83 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.1896 2 Sidereal Durech 2023A&A...675A..24D Model
12.18978 2 Sidereal Durech 2016A&A...587A..48D Model
12.19 2+ Synodic Behrend LCDB Lightcurve
12.1923 3- Synodic Julian 2006MPBu...33..103J Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B Bus VIS Bus 2002Icar..158..146B SPEC
P 0.960000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC