Ahnert

03181, 1932 RK, 1932RK, 1936 XJ, 1936XJ, 1951 GC1, 1951GC1, 1964 DE, 1964DE, 1964 EC, 1964EC, 1975 NH1, 1975NH1, 1975 RD, 1975RD, 1979 SC12, 1979SC12, 1979 UO4, 1979UO4, 1979 WD8, 1979WD8, 1979 WU1, 1979WU1, 1982 RE1, 1982RE1, J32R00K, J36X00J, J51G01C, J64D00E, J64E00C, J75N01H, J75R00D, J79S12C, J79U04O, J79W01U, J79W08D, J82R01E

All data for this body: [vot]

MPC data
Name (number) Ahnert (3181)
a 2.22933
e 0.06482
i / sin(i) 3.9628 / 0.06911
q 2.08483
Q 2.37382
ω 305.6376
Node 221.0508
m 117.9858
n 0.2961
Epoch 2460800.5
nobs 4830
nopp 34
Years observed 1931-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.229
ep 0.121
sin(ip) 0.081
G 0.150
H 12.720
Mass
D 8.46 0.029
pV 0.221 0.0139
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 20.850
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.4500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2291 0.1206 0.0809 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.96 0.100 0.100 Masiero 2014ApJ...791..121M NEATM
8.09 1.930 1.930 Nugent 2016AJ....152...63N NEATM
8.51 0.031 0.031 Masiero 2011ApJ...741...68M NEATM
8.57 0.240 0.240 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.186 0.0266 0.0266 Masiero 2011ApJ...741...68M NEATM
0.220 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.230 0.1400 0.1400 Nugent 2016AJ....152...63N NEATM
0.264 0.0290 0.0290 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
12.72 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A 0.175 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L S 0.550000 0.450000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S Bus VIS Bus 2002Icar..158..146B SPEC
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S Tholen VIS Lazzaro 2004Icar..172..179L SPEC
S 0.95 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
SI Bus VIS Lazzaro 2004Icar..172..179L SPEC