SAF

04162, 1940 WA, 1940WA, 1951 AS1, 1951AS1, 1987 OP, 1987OP, J40W00A, J51A01S, J87O00P

All data for this body: [vot]

MPC data
Name (number) SAF (4162)
a 2.83884
e 0.13170
i / sin(i) 14.2192 / 0.24563
q 2.46496
Q 3.21271
ω 157.9765
Node 254.0667
m 250.7732
n 0.2061
Epoch 2460800.5
nobs 4696
nopp 29
Years observed 1940-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.837
ep 0.143
sin(ip) 0.259
G 0.150
H 11.720
Mass
D 26.10 0.304
pV 0.050 0.0020
Value
Rotational Period 7.701
Period quality 3
Spectral Class C
Spectral Class Score 5.329
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8369 0.1435 0.2594 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
19.62 6.960 6.960 Nugent 2016AJ....152...63N NEATM
19.85 5.510 5.510 Masiero 2020PSJ.....1....5M NEATM
22.73 8.257 8.257 Masiero 2017AJ....154..168M NEATM
23.31 1.300 1.300 Tedesco 2002AJ....123.1056T STM
24.44 2.312 2.312 Ryan&Woodward 2010AJ....140..933R IRAS-STM
24.77 0.474 0.474 Masiero 2011ApJ...741...68M NEATM
26.60 2.660 2.660 Ali-Lagoa 2018A&A...612A..85A NEATM
27.38 3.982 3.982 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
27.44 0.460 0.460 Usui 2011PASJ...63.1117U NEATM
28.86 1.400 1.400 Masiero 2012ApJ...759L...8M NEATM
29.67 2.970 2.970 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.048 0.0136 0.0136 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.048 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.049 0.0024 0.0024 Masiero 2011ApJ...741...68M NEATM
0.049 0.0060 0.0060 Masiero 2012ApJ...759L...8M NEATM
0.052 0.0325 0.0325 Masiero 2017AJ....154..168M NEATM
0.058 0.0107 0.0107 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.060 0.0120 0.0120 Ali-Lagoa 2018A&A...612A..85A NEATM
0.062 0.0080 0.0080 Tedesco 2002AJ....123.1056T STM
0.064 0.0510 0.0510 Masiero 2020PSJ.....1....5M NEATM
0.090 0.0800 0.0800 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
11.72 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.2195 2- Synodic Pal 2020ApJS..247...26P Lightcurve
7.7 2- Synodic Behrend LCDB Lightcurve
7.7 2 Synodic Dose 2022MPBu...49..141D Lightcurve
7.7011 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
C C 0.8881 0.2760 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L 0.208 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT