Hill

01642, 1908 FC, 1908FC, 1929 XB, 1929XB, 1931 FO, 1931FO, 1940 DA, 1940DA, 1940 FE, 1940FE, 1942 RB, 1942RB, 1951 RU, 1951RU, 1954 JS, 1954JS, 1956 TD1, 1956TD1, 1956 US, 1956US, 1958 DJ, 1958DJ, 1958 FL, 1958FL, J08F00C, J29X00B, J31F00O, J40D00A, J40F00E, J42R00B, J51R00U, J54J00S, J56T01D, J56U00S, J58D00J, J58F00L

All data for this body: [vot]

MPC data
Name (number) Hill (1642)
a 2.75061
e 0.06777
i / sin(i) 10.8038 / 0.18745
q 2.56420
Q 2.93702
ω 148.9632
Node 339.0195
m 276.3132
n 0.2161
Epoch 2460800.5
nobs 9773
nopp 47
Years observed 1908-2025
rms 0.48
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.751
ep 0.097
sin(ip) 0.195
G 0.150
H 10.930
Mass
D 18.12 0.429
pV 0.297 0.0395
Value
Rotational Period 6.050
Period quality 3
Spectral Class S
Spectral Class Score 39.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7513 0.0967 0.1954 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.24 0.730 0.730 Masiero 2012ApJ...759L...8M NEATM
17.52 3.500 3.500 Ali-Lagoa 2018A&A...612A..85A NEATM
19.10 0.540 0.540 Usui 2011PASJ...63.1117U NEATM
22.06 4.410 4.410 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.184 0.0740 0.0740 Ali-Lagoa 2018A&A...612A..85A NEATM
0.291 0.1160 0.1160 Ali-Lagoa 2018A&A...612A..85A NEATM
0.351 0.0510 0.0510 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
10.93 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.04326 2 Sidereal Durech 2020A&A...643A..59D Model
6.04326 2 Sidereal Durech 2023A&A...675A..24D Model
6.056 3 Synodic Behrend LCDB Lightcurve
6.18 3- Synodic Behrend LCDB 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-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
S Bus VIS Bus 2002Icar..158..146B SPEC
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC