Hirayama
01999, 1935 GF, 1935GF, 1940 EH, 1940EH, 1951 EY1, 1951EY1, 1951 FA, 1951FA, 1965 UF, 1965UF, 1969 NB, 1969NB, 1973 DR, 1973DR, 1975 NE, 1975NE, J35G00F, J40E00H, J51E01Y, J51F00A, J65U00F, J69N00B, J73D00R, J75N00EAll data for this body: [vot]
MPC data
Name (number) | Hirayama (1999) |
---|---|
a | 3.11422 |
e | 0.11817 |
i / sin(i) | 12.5342 / 0.21702 |
q | 2.74622 |
Q | 3.48221 |
ω | 356.0261 |
Node | 147.8560 |
m | 75.1333 |
n | 0.1793 |
Epoch | 2460200.5 |
nobs | 6958 |
---|---|
nopp | 36 |
Years observed | 1940-2023 |
rms | 0.41 |
Proper elements data
ap | ep | sin(ip) | Author | Reference | Method |
---|---|---|---|---|---|
3.1160 | 0.1459 | 0.1998 | Novakovic_Radovic_Todovic | 2003A&A...403.1165K | Numeric-Oct-2022 |
Diameter data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
29.10 | 0.899 | 0.899 | Ryan&Woodward | 2010AJ....140..933R | IRAS-STM |
30.08 | 7.970 | 7.970 | Nugent | 2016AJ....152...63N | NEATM |
31.46 | 8.707 | 8.707 | Masiero | 2017AJ....154..168M | NEATM |
32.54 | 8.730 | 8.730 | Masiero | 2020PSJ.....1....5M | NEATM |
33.16 | 3.320 | 3.320 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
33.95 | 2.100 | 2.100 | Tedesco | 2002AJ....123.1056T | STM |
35.68 | 0.550 | 0.550 | Usui | 2011PASJ...63.1117U | NEATM |
37.21 | 3.720 | 3.720 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
37.58 | 7.520 | 7.520 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
38.05 | 1.443 | 1.443 | Ryan&Woodward | 2010AJ....140..933R | IRAS-NEATM |
38.28 | 0.400 | 0.400 | Masiero | 2012ApJ...759L...8M | NEATM |
Albedo data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
0.053 | 0.0050 | 0.0050 | Masiero | 2012ApJ...759L...8M | NEATM |
0.059 | 0.0240 | 0.0240 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
0.060 | 0.0120 | 0.0120 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
0.069 | 0.0850 | 0.0850 | Masiero | 2020PSJ.....1....5M | NEATM |
0.070 | 0.0054 | 0.0054 | Ryan&Woodward | 2010AJ....140..933R | IRAS-NEATM |
0.075 | 0.0150 | 0.0150 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
0.077 | 0.0530 | 0.0530 | Masiero | 2017AJ....154..168M | NEATM |
0.080 | 0.1000 | 0.1000 | Nugent | 2016AJ....152...63N | NEATM |
0.088 | 0.0120 | 0.0120 | Tedesco | 2002AJ....123.1056T | STM |
0.120 | 0.0040 | 0.0040 | 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 |
---|---|---|---|---|---|
11.14 | MPC-2023-12-04 | MPC-2023-12-04 | Phot |
Period data
Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
---|---|---|---|---|---|
13.59 | Hamanowa | LCDB | Lightcurve | ||
15.43 | Behrend | LCDB | Lightcurve | ||
15.62 | Durech | 2019A&A...631A...2D | Model | ||
15.63 | Behrend | LCDB | Lightcurve | ||
15.63 | Menke | 2008MPBu...35..155M | Lightcurve | ||
2.00 | Erasmus | 2018ApJS..237...19E | Lightcurve | ||
2.00 | Erasmus | 2019ApJS..242...15E | Lightcurve |