Irmela
01178, 1931 EC, 1931EC, 1940 GC, 1940GC, 1962 JD, 1962JD, 1988 CK6, 1988CK6, J31E00C, J40G00C, J62J00D, J88C06KAll data for this body: [vot]
MPC data
Name (number) | Irmela (1178) |
---|---|
a | 2.67821 |
e | 0.18585 |
i / sin(i) | 6.9664 / 0.12129 |
q | 2.18046 |
Q | 3.17596 |
ω | 357.5694 |
Node | 169.9434 |
m | 28.8667 |
n | 0.2249 |
Epoch | 2460200.5 |
nobs | 5105 |
---|---|
nopp | 37 |
Years observed | 1931-2023 |
rms | 0.49 |
Proper elements data
ap | ep | sin(ip) | Author | Reference | Method |
---|---|---|---|---|---|
2.6787 | 0.2309 | 0.1136 | Novakovic_Radovic_Todovic | 2003A&A...403.1165K | Numeric-Oct-2022 |
Diameter data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
15.88 | 0.767 | 0.767 | Ryan&Woodward | 2010AJ....140..933R | IRAS-STM |
16.69 | 6.250 | 6.250 | Masiero | 2021PSJ.....2..162M | NEATM |
17.42 | 3.480 | 3.480 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
17.50 | 4.910 | 4.910 | Nugent | 2016AJ....152...63N | NEATM |
17.83 | 5.690 | 5.690 | Masiero | 2021PSJ.....2..162M | NEATM |
17.90 | 0.570 | 0.570 | Usui | 2011PASJ...63.1117U | NEATM |
18.41 | 5.380 | 5.380 | Nugent | 2016AJ....152...63N | NEATM |
18.87 | 1.890 | 1.890 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
19.09 | 0.800 | 0.800 | Tedesco | 2002AJ....123.1056T | STM |
19.66 | 0.050 | 0.050 | Masiero | 2014ApJ...791..121M | NEATM |
20.68 | 0.181 | 0.181 | Masiero | 2011ApJ...741...68M | NEATM |
22.50 | 1.421 | 1.421 | Ryan&Woodward | 2010AJ....140..933R | IRAS-NEATM |
Albedo data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
0.050 | 0.0031 | 0.0031 | Masiero | 2011ApJ...741...68M | NEATM |
0.059 | 0.0250 | 0.0440 | Masiero | 2021PSJ.....2..162M | NEATM |
0.067 | 0.0089 | 0.0089 | Ryan&Woodward | 2010AJ....140..933R | IRAS-NEATM |
0.070 | 0.0100 | 0.0100 | Masiero | 2014ApJ...791..121M | NEATM |
0.070 | 0.0400 | 0.0400 | Nugent | 2016AJ....152...63N | NEATM |
0.072 | 0.0340 | 0.0640 | Masiero | 2021PSJ.....2..162M | NEATM |
0.080 | 0.0700 | 0.0700 | Nugent | 2016AJ....152...63N | NEATM |
0.090 | 0.0180 | 0.0180 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
0.092 | 0.0080 | 0.0080 | Tedesco | 2002AJ....123.1056T | STM |
0.106 | 0.0420 | 0.0420 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
0.133 | 0.0129 | 0.0129 | Ryan&Woodward | 2010AJ....140..933R | IRAS-STM |
G data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
0.15 | MPC-2023-12-94 | MPC-2023-12-94 | Phot |
H data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
12.07 | MPC-2023-12-04 | MPC-2023-12-04 | Phot |
Period data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
11.98 | Polakis | 2019MPBu...46..400P | Lightcurve | ||
11.99 | Stephens | 2012MPBu...39...80S | Lightcurve | ||
11.99 | Pilcher | LCDB | Lightcurve | ||
19.17 | Binzel | 1987Icar...72..135B | Lightcurve |