Astrid

01128, 1917 SQ, 1917SQ, 1920 JA, 1920JA, 1929 EB, 1929EB, 1949 QF2, 1949QF2, 1954 UL3, 1954UL3, 1964 VW, 1964VW, 1972 LM1, 1972LM1, J17S00Q, J20J00A, J29E00B, J49Q02F, J54U03L, J64V00W, J72L01M

All data for this body: [vot]

MPC data
Name (number) Astrid (1128)
a 2.78804
e 0.04369
i / sin(i) 1.0119 / 0.01766
q 2.66624
Q 2.90984
ω 235.7332
Node 59.4393
m 119.8281
n 0.2117
Epoch 2460800.5
nobs 9747
nopp 65
Years observed 1920-2025
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent Astrid (1128)
 
ap 2.788
ep 0.048
sin(ip) 0.011
G 0.150
H 11.110
Mass
D 44.58 0.206
pV 0.050 0.0022
Value
Rotational Period 10.220
Period quality 2+
Spectral Class Cgh
Spectral Class Score 21.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1128 Astrid 0 Astrid Novakovic 2019EPSC...13.1671N HCM
1128 Astrid 515 Astrid 0.0000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7875 0.0480 0.0115 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
33.17 9.950 9.950 Masiero 2021PSJ.....2..162M NEATM
34.69 2.100 2.100 Tedesco 2002AJ....123.1056T STM
36.62 1.105 1.105 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
38.93 12.070 12.070 Masiero 2021PSJ.....2..162M NEATM
39.01 2.451 2.451 Ryan&Woodward 2010AJ....140..933R IRAS-STM
41.59 13.030 13.030 Masiero 2021PSJ.....2..162M NEATM
41.85 0.280 0.280 Masiero 2014ApJ...791..121M NEATM
41.97 0.720 0.720 Usui 2011PASJ...63.1117U NEATM
43.25 4.320 4.320 Ali-Lagoa 2018A&A...612A..85A NEATM
44.78 0.912 0.912 Masiero 2011ApJ...741...68M NEATM
45.03 10.370 10.370 Nugent 2016AJ....152...63N NEATM
45.13 18.800 18.800 Masiero 2020PSJ.....1....5M NEATM
45.21 4.520 4.520 Ali-Lagoa 2018A&A...612A..85A NEATM
45.75 12.320 12.320 Masiero 2020PSJ.....1....5M NEATM
46.34 12.908 12.908 Masiero 2017AJ....154..168M NEATM
52.48 0.400 0.400 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.031 0.0040 0.0040 Masiero 2012ApJ...759L...8M NEATM
0.032 0.0165 0.0165 Masiero 2017AJ....154..168M NEATM
0.032 0.0340 0.0340 Masiero 2020PSJ.....1....5M NEATM
0.033 0.0310 0.0310 Masiero 2020PSJ.....1....5M NEATM
0.033 0.0190 0.0430 Masiero 2021PSJ.....2..162M NEATM
0.035 0.0180 0.0360 Masiero 2021PSJ.....2..162M NEATM
0.040 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.043 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.044 0.0210 0.0390 Masiero 2021PSJ.....2..162M NEATM
0.046 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.046 0.0181 0.0181 Masiero 2011ApJ...741...68M NEATM
0.050 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.061 0.0068 0.0068 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.069 0.0042 0.0042 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.077 0.0100 0.0100 Tedesco 2002AJ....123.1056T STM
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
11.11 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.2 1 Synodic Behrend LCDB Lightcurve
10.228 2+ Synodic Behrend LCDB Lightcurve
10.229 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
10.2339 2 Sidereal Durech 2023A&A...675A..24D Model
10.234 2 Sidereal Durech 2020A&A...643A..59D Model
10.25 2 Synodic Polakis 2021MPBu...48..239P Lightcurve
14.552 2- Synodic Ditteon 2018MPBu...45...13D Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Bus VIS Bus 2002Icar..158..146B SPEC
C 0.980000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
Cgh Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT