Echo
00060, 1860 RB, 1860RB, 1899 EB, 1899EB, I60R00B, I99E00BAll data for this body: [vot]
MPC data
Name (number) | Echo (60) |
---|---|
a | 2.39241 |
e | 0.18504 |
i / sin(i) | 3.6012 / 0.06281 |
q | 1.94972 |
Q | 2.83510 |
ω | 270.9159 |
Node | 191.5394 |
m | 274.9896 |
n | 0.2663 |
Epoch | 2460200.5 |
nobs | 6609 |
---|---|
nopp | 73 |
Years observed | 1861-2023 |
rms | 0.47 |
Proper elements data
ap | ep | sin(ip) | Author | Reference | Method |
---|---|---|---|---|---|
2.3931 | 0.2021 | 0.0714 | Novakovic_Radovic_Todovic | 2003A&A...403.1165K | Numeric-Oct-2022 |
Mass data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
3.1500e+17 | Folkner | 2009IPNPR.178C...1F | Ephem | ||
3.4200e+17 | Folkner | 2014IPNPR.196C...1F | Ephem | ||
8.3978e+16 | 4.1562e+16 | 4.1562e+16 | Fienga | INPOP19a | Ephem |
Diameter data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
43.22 | 0.570 | 0.570 | Masiero | 2014ApJ...791..121M | NEATM |
58.95 | 1.240 | 1.240 | Usui | 2011PASJ...63.1117U | NEATM |
59.36 | 2.991 | 2.991 | Ryan&Woodward | 2010AJ....140..933R | IRAS-NEATM |
59.75 | 5.980 | 5.980 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
60.00 | 3.519 | 3.519 | Masiero | 2011ApJ...741...68M | NEATM |
60.20 | 1.800 | 1.800 | Tedesco | 2002AJ....123.1056T | STM |
63.13 | 3.260 | 3.260 | Ryan&Woodward | 2010AJ....140..933R | IRAS-STM |
Albedo data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
0.191 | 0.0245 | 0.0245 | Masiero | 2011ApJ...741...68M | NEATM |
0.208 | 0.0420 | 0.0420 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
0.232 | 0.0239 | 0.0239 | Ryan&Woodward | 2010AJ....140..933R | IRAS-STM |
0.254 | 0.0160 | 0.0160 | Tedesco | 2002AJ....123.1056T | STM |
0.262 | 0.0264 | 0.0264 | Ryan&Woodward | 2010AJ....140..933R | IRAS-NEATM |
0.370 | 0.0300 | 0.0300 | 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 |
---|---|---|---|---|---|
8.65 | MPC-2023-12-04 | MPC-2023-12-04 | Phot |
Period data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
25.16 | Michalowski | 1993Icar..106..563M | Model | ||
25.21 | Harris | 1989Icar...77..171H | Lightcurve | ||
25.21 | Florence | 1984MPBu...11...33F | Lightcurve | ||
25.21 | Zeigler | 1985Icar...62..512Z | Lightcurve | ||
25.23 | Durech | 2016A&A...587A..48D | Model | ||
25.23 | Durech | 2023A&A...675A..24D | Model | ||
30.00 | Gehrels | 1962ApJ...135..906G | Lightcurve | ||
52.00 | Harris | 1983Icar...54...59H | Lightcurve |