Irma
00177, 1877 VA, 1877VA, 1900 UB, 1900UB, 1900 VA, 1900VA, 1912 HE, 1912HE, 1937 UA, 1937UA, 1962 DB, 1962DB, I77V00A, J00U00B, J00V00A, J12H00E, J37U00A, J62D00BAll data for this body: [vot]
MPC data
Name (number) | Irma (177) |
---|---|
a | 2.77156 |
e | 0.23426 |
i / sin(i) | 1.3814 / 0.02411 |
q | 2.12230 |
Q | 3.42081 |
ω | 39.5594 |
Node | 346.9516 |
m | 236.4163 |
n | 0.2136 |
Epoch | 2460200.5 |
nobs | 4375 |
---|---|
nopp | 55 |
Years observed | 1900-2023 |
rms | 0.57 |
Proper elements data
ap | ep | sin(ip) | Author | Reference | Method |
---|---|---|---|---|---|
2.7699 | 0.1992 | 0.0384 | Novakovic_Radovic_Todovic | 2003A&A...403.1165K | Numeric-Oct-2022 |
Mass data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
1.9321e+17 | 9.6134e+16 | 9.6134e+16 | Fienga | INPOP19a | Ephem |
3.0400e+17 | Folkner | 2014IPNPR.196C...1F | Ephem |
Diameter data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
102.40 | 18.700 | 18.700 | Nugent | 2016AJ....152...63N | NEATM |
67.40 | 15.740 | 15.740 | Masiero | 2021PSJ.....2..162M | NEATM |
67.42 | 0.290 | 0.290 | Nugent | 2016AJ....152...63N | NEATM |
68.52 | 24.302 | 24.302 | Masiero | 2017AJ....154..168M | NEATM |
68.64 | 6.860 | 6.860 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
69.05 | 0.650 | 0.650 | Masiero | 2014ApJ...791..121M | NEATM |
70.82 | 7.080 | 7.080 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
72.31 | 2.478 | 2.478 | Masiero | 2011ApJ...741...68M | NEATM |
73.08 | 0.810 | 0.810 | Usui | 2011PASJ...63.1117U | NEATM |
73.22 | 1.600 | 1.600 | Tedesco | 2002AJ....123.1056T | STM |
73.32 | 17.490 | 17.490 | Masiero | 2020PSJ.....1....5M | NEATM |
73.36 | 8.585 | 8.585 | Ryan&Woodward | 2010AJ....140..933R | MSX-STM |
74.79 | 4.624 | 4.624 | Ryan&Woodward | 2010AJ....140..933R | IRAS-NEATM |
77.08 | 1.899 | 1.899 | Ryan&Woodward | 2010AJ....140..933R | IRAS-STM |
78.91 | 11.022 | 11.022 | Ryan&Woodward | 2010AJ....140..933R | MSX-NEATM |
83.68 | 22.240 | 22.240 | Masiero | 2012ApJ...759L...8M | NEATM |
Albedo data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
0.020 | 0.0100 | 0.0100 | Nugent | 2016AJ....152...63N | NEATM |
0.032 | 0.0260 | 0.0260 | Masiero | 2012ApJ...759L...8M | NEATM |
0.035 | 0.0490 | 0.0490 | Masiero | 2020PSJ.....1....5M | NEATM |
0.038 | 0.0130 | 0.0200 | Masiero | 2021PSJ.....2..162M | NEATM |
0.042 | 0.0254 | 0.0254 | Masiero | 2017AJ....154..168M | NEATM |
0.048 | 0.0024 | 0.0024 | Ryan&Woodward | 2010AJ....140..933R | IRAS-STM |
0.050 | 0.0100 | 0.0100 | Nugent | 2016AJ....152...63N | NEATM |
0.051 | 0.0062 | 0.0062 | Ryan&Woodward | 2010AJ....140..933R | IRAS-NEATM |
0.052 | 0.0109 | 0.0109 | Ryan&Woodward | 2010AJ....140..933R | MSX-NEATM |
0.053 | 0.0020 | 0.0020 | Tedesco | 2002AJ....123.1056T | STM |
0.054 | 0.0095 | 0.0095 | Masiero | 2011ApJ...741...68M | NEATM |
0.055 | 0.0110 | 0.0110 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
0.056 | 0.0111 | 0.0111 | Ryan&Woodward | 2010AJ....140..933R | MSX-STM |
0.058 | 0.0120 | 0.0120 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
0.060 | 0.0100 | 0.0100 | Masiero | 2014ApJ...791..121M | NEATM |
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 |
---|---|---|---|---|---|
9.67 | MPC-2023-12-04 | MPC-2023-12-04 | Phot |