Aristarchus

03999, 1943 EW, 1943EW, 1951 GD1, 1951GD1, 1970 DA, 1970DA, 1972 TJ1, 1972TJ1, 1974 EH, 1974EH, 1975 NA1, 1975NA1, 1976 UQ4, 1976UQ4, 1979 QC7, 1979QC7, 1980 XF1, 1980XF1, 1984 YH3, 1984YH3, 1989 AL, 1989AL, J43E00W, J51G01D, J70D00A, J72T01J, J74E00H, J75N01A, J76U04Q, J79Q07C, J80X01F, J84Y03H, J89A00L

All data for this body: [vot]

MPC data
Name (number) Aristarchus (3999)
a 2.46094
e 0.11864
i / sin(i) 2.5353 / 0.04423
q 2.16897
Q 2.75291
ω 211.4860
Node 296.3424
m 116.0656
n 0.2553
Epoch 2460800.5
nobs 4476
nopp 35
Years observed 1943-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.459
ep 0.154
sin(ip) 0.060
G 0.150
H 12.790
Mass
D 18.23 0.128
pV 0.042 0.0040
Value
Rotational Period 12.608
Period quality 2+
Spectral Class C
Spectral Class Score 16.264
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4589 0.1540 0.0597 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.06 4.530 4.530 Masiero 2020PSJ.....1....5M NEATM
15.51 3.910 3.910 Nugent 2016AJ....152...63N NEATM
16.51 3.300 3.300 Ali-Lagoa 2018A&A...612A..85A NEATM
16.72 3.970 3.970 Masiero 2021PSJ.....2..162M NEATM
17.03 0.760 0.760 Usui 2011PASJ...63.1117U NEATM
17.18 4.990 4.990 Masiero 2020PSJ.....1....5M NEATM
17.42 4.387 4.387 Masiero 2017AJ....154..168M NEATM
17.56 10.130 10.130 Masiero 2012ApJ...759L...8M NEATM
18.14 3.700 3.700 Tedesco 2002AJ....123.1056T STM
18.27 0.131 0.131 Masiero 2011ApJ...741...68M NEATM
18.28 4.250 4.250 Masiero 2021PSJ.....2..162M NEATM
19.09 3.820 3.820 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.036 0.0120 0.0180 Masiero 2021PSJ.....2..162M NEATM
0.037 0.0130 0.0190 Masiero 2021PSJ.....2..162M NEATM
0.041 0.0047 0.0047 Masiero 2011ApJ...741...68M NEATM
0.045 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.045 0.0370 0.0370 Masiero 2020PSJ.....1....5M NEATM
0.050 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.051 0.0460 0.0460 Masiero 2020PSJ.....1....5M NEATM
0.057 0.1290 0.1290 Masiero 2012ApJ...759L...8M NEATM
0.059 0.0350 0.0350 Tedesco 2002AJ....123.1056T STM
0.061 0.0240 0.0240 Ali-Lagoa 2018A&A...612A..85A NEATM
0.077 0.0485 0.0485 Masiero 2017AJ....154..168M 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
12.79 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.5714 2 Sidereal Durech 2023A&A...675A..24D Model
12.58 2+ Synodic Ditteon 2010MPBu...37....1D Lightcurve
12.6087 3- Synodic Fornas LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.970000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
C Tholen VIS Xu 1995Icar..115....1X SPEC
C 0.839 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C 0.890000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC