Ahrensa

00950, 1904RF, 1921GG, 1955SU2, 1974VG3, J04R00F, J21G00G, J55S02U, J74V03G

All data for this body: [vot]

MPC data
Name (number) Ahrensa (950)
Packed designation 00950
a 2.37104
e 0.15905
i / sin(i) 23.5025 / 0.39879
q 1.99393
Q 2.74815
ω 348.6780
Node 181.7267
m 232.0878
n 0.2700
Epoch 2459600.5
nobs 3764
nopp 38
Years observed 1904-2022
rms 0.47
Best values
[raw, vot]

Value Standard error
Parent Phocaea (25)
 
ap 2.372
ep 0.202
sin(ip) 0.390
Value Standard error
G 0.150
H 11.260
Mass
D 14.35 0.066
pV 0.196 0.0121
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
25 Phocaea 701 Phocaea -0.9000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3716 0.2024 0.3897 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.22 0.993 0.993 Ryan&Woodward 2010AJ....140..933R IRAS-STM
13.70 0.260 0.260 Masiero 2014ApJ...791..121M NEATM
14.30 0.070 0.070 Masiero 2011ApJ...741...68M NEATM
15.03 1.800 1.800 Tedesco 2002AJ....123.1056T STM
15.26 3.050 3.050 Ali-Lagoa 2018A&A...612A..85A NEATM
16.21 0.530 0.530 Usui 2011PASJ...63.1117U NEATM
16.59 1.660 1.660 Ali-Lagoa 2018A&A...612A..85A NEATM
16.66 0.410 0.410 Masiero 2012ApJ...759L...8M NEATM
18.62 1.871 1.871 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.125 0.0253 0.0253 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.179 0.0540 0.0540 Tedesco 2002AJ....123.1056T STM
0.199 0.0203 0.0203 Masiero 2011ApJ...741...68M NEATM
0.220 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM
0.231 0.0310 0.0310 Masiero 2012ApJ...759L...8M NEATM
0.231 0.0460 0.0460 Ali-Lagoa 2018A&A...612A..85A NEATM
0.273 0.1090 0.1090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.284 0.0447 0.0447 Ryan&Woodward 2010AJ....140..933R IRAS-STM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.26 MPC-2022-01-18 MPC-2022-01-18 Phot