Dawn

01618, 1927 CF, 1927CF, 1948 NF, 1948NF, 1951 AK, 1951AK, 1952 HF, 1952HF, 1964 VH2, 1964VH2, 1964 VV, 1964VV, J27C00F, J48N00F, J51A00K, J52H00F, J64V00V, J64V02H

All data for this body: [vot]

MPC data
Name (number) Dawn (1618)
a 2.86830
e 0.03090
i / sin(i) 3.2225 / 0.05621
q 2.77968
Q 2.95693
ω 178.1647
Node 102.8012
m 298.2309
n 0.2029
Epoch 2460800.5
nobs 5738
nopp 46
Years observed 1948-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.869
ep 0.046
sin(ip) 0.036
G 0.150
H 11.170
Mass
D 17.35 0.099
pV 0.135 0.0141
Value
Rotational Period 43.600
Period quality 3-
Spectral Class S
Spectral Class Score 9.650
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
832 Karin 0 Karin Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis -0.1600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
832 Karin 610 Karin 8.9600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8688 0.0459 0.0365 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.20 2.840 2.840 Ali-Lagoa 2018A&A...612A..85A NEATM
16.10 0.400 0.400 Hanus 2018Icar..309..297H RADIOMETRY_TPM
16.50 0.400 0.400 Hanus 2018Icar..309..297H RADIOMETRY_TPM
16.74 1.080 1.080 Usui 2011PASJ...63.1117U NEATM
17.49 0.137 0.137 Masiero 2011ApJ...741...68M NEATM
17.50 0.170 0.170 Masiero 2014ApJ...791..121M NEATM
19.59 1.700 1.700 Tedesco 2002AJ....123.1056T STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.116 0.0240 0.0240 Tedesco 2002AJ....123.1056T STM
0.140 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.145 0.0367 0.0367 Masiero 2011ApJ...741...68M NEATM
0.333 0.1330 0.1330 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
11.17 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
43.19 2+ Synodic Slivan 2008Icar..195..226S Lightcurve
43.209 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve
43.219 2 Sidereal Hanus 2013A&A...559A.134H Model
43.222 2 Sidereal Durech 2023A&A...675A..24D Model
43.242 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
43.405 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
43.64 3- Synodic Polakis 2020MPBu...47..314P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Bus VIS Bus 2002Icar..158..146B SPEC
S 0.930000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC