Chikako

04577, 1947 GF, 1947GF, 1951 CJ1, 1951CJ1, 1951 DK, 1951DK, 1975 XE7, 1975XE7, 1988 WG, 1988WG, J47G00F, J51C01J, J51D00K, J75X07E, J88W00G

All data for this body: [vot]

MPC data
Name (number) Chikako (4577)
a 2.62312
e 0.28914
i / sin(i) 9.3644 / 0.16271
q 1.86468
Q 3.38156
ω 65.8634
Node 57.4994
m 175.2505
n 0.2320
Epoch 2460800.5
nobs 3480
nopp 28
Years observed 1947-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.622
ep 0.310
sin(ip) 0.162
G 0.150
H 12.500
Mass
D 11.70 0.031
pV 0.189 0.0197
Value
Rotational Period 5.800
Period quality 3
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6217 0.3098 0.1622 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.27 0.080 0.080 Masiero 2014ApJ...791..121M NEATM
11.78 0.034 0.034 Masiero 2011ApJ...741...68M NEATM
11.95 2.540 2.540 Masiero 2020PSJ.....1....5M NEATM
13.02 3.590 3.590 Nugent 2016AJ....152...63N NEATM
13.51 3.240 3.240 Masiero 2021PSJ.....2..162M NEATM
13.80 4.280 4.280 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.090 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.100 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM
0.167 0.0590 0.0900 Masiero 2021PSJ.....2..162M NEATM
0.184 0.0336 0.0336 Masiero 2011ApJ...741...68M NEATM
0.207 0.0970 0.0970 Masiero 2020PSJ.....1....5M NEATM
0.220 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.50 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.83 3 Synodic Cooney 2003MPBu...30....3C Lightcurve
5.831 3 Synodic Behrend LCDB Lightcurve
5.83275 2 Sidereal Durech 2020A&A...643A..59D Model