Ilmatar
00385, 1894EA, 1918CC, 1942FQ, 1953TQ, 1987QG3, I94E00A, J18C00C, J42F00Q, J53T00Q, J87Q03GAll data for this body: [vot]
MPC data
Name (number) | Ilmatar (385) |
---|---|
Packed designation | 00385 |
a | 2.84758 |
e | 0.12562 |
i / sin(i) | 13.5833 / 0.23486 |
q | 2.48987 |
Q | 3.20528 |
ω | 189.0591 |
Node | 344.8578 |
m | 214.9489 |
n | 0.2051 |
Epoch | 2459600.5 |
nobs | 2742 |
---|---|
nopp | 67 |
Years observed | 1894-2022 |
rms | 0.63 |
Proper elements data
ap | ep | sin(ip) | Author | Reference | Method |
---|---|---|---|---|---|
2.8467 | 0.1849 | 0.2375 | Novakovic_Radovic_Todovic | 2003A&A...403.1165K | Numeric-Jan-2022 |
Mass data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
7.4200e+17 | Folkner | 2014IPNPR.196C...1F | Ephem | ||
1.0390e+18 | 5.1500e+17 | 5.1500e+17 | Fienga | 2020MNRAS.492..589F | Ephem |
Diameter data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
68.13 | 6.810 | 6.810 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
69.00 | nan | nan | Marchis | 2006Icar..185...39M | AO |
80.87 | 8.090 | 8.090 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
83.69 | 0.750 | 0.750 | Usui | 2011PASJ...63.1117U | NEATM |
85.84 | 0.580 | 0.580 | Masiero | 2014ApJ...791..121M | NEATM |
91.53 | 1.600 | 1.600 | Tedesco | 2002AJ....123.1056T | STM |
93.41 | 2.882 | 2.882 | Ryan&Woodward | 2010AJ....140..933R | IRAS-STM |
94.45 | 2.560 | 2.560 | Masiero | 2011ApJ...741...68M | NEATM |
96.69 | 5.079 | 5.079 | Ryan&Woodward | 2010AJ....140..933R | IRAS-NEATM |
96.80 | 9.680 | 9.680 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
Albedo data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
0.187 | 0.0370 | 0.0370 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
0.196 | 0.0207 | 0.0207 | Ryan&Woodward | 2010AJ....140..933R | IRAS-NEATM |
0.200 | 0.0327 | 0.0327 | Masiero | 2011ApJ...741...68M | NEATM |
0.206 | 0.0130 | 0.0130 | Ryan&Woodward | 2010AJ....140..933R | IRAS-STM |
0.213 | 0.0080 | 0.0080 | Tedesco | 2002AJ....123.1056T | STM |
0.240 | 0.0400 | 0.0400 | Masiero | 2014ApJ...791..121M | NEATM |
0.268 | 0.0540 | 0.0540 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
0.377 | 0.0750 | 0.0750 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
G data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
0.15 | MPC-2022-01-18 | MPC-2022-01-18 | Phot |
H data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
7.61 | MPC-2022-01-18 | MPC-2022-01-18 | Phot |