Hasegawa

03227, 1928 DF, 1928DF, 1947 CC, 1947CC, 1951 EN, 1951EN, 1955 FR, 1955FR, 1957 UZ, 1957UZ, 1957 WL1, 1957WL1, 1959 JM, 1959JM, 1961 XX, 1961XX, 1966 BA, 1966BA, 1972 RW1, 1972RW1, 1974 ET, 1974ET, 1978 GB2, 1978GB2, 1978 JR2, 1978JR2, 1980 VT2, 1980VT2, J28D00F, J47C00C, J51E00N, J55F00R, J57U00Z, J57W01L, J59J00M, J61X00X, J66B00A, J72R01W, J74E00T, J78G02B, J78J02R, J80V02T

All data for this body: [vot]

MPC data
Name (number) Hasegawa (3227)
a 2.44766
e 0.13379
i / sin(i) 3.9131 / 0.06824
q 2.12020
Q 2.77512
ω 332.5496
Node 154.3651
m 168.4140
n 0.2574
Epoch 2460800.5
nobs 5089
nopp 37
Years observed 1928-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.446
ep 0.164
sin(ip) 0.063
G 0.150
H 12.750
Mass
D 7.88 0.195
pV 0.273 0.0296
Value
Rotational Period 6.530
Period quality 3
Spectral Class L
Spectral Class Score 4.224
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4461 0.1640 0.0630 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.53 1.350 1.350 Nugent 2016AJ....152...63N NEATM
7.91 0.210 0.210 Masiero 2011ApJ...741...68M NEATM
7.94 0.590 0.590 Masiero 2012ApJ...759L...8M NEATM
7.99 1.810 1.810 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.180 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM
0.260 0.1800 0.1800 Nugent 2016AJ....152...63N NEATM
0.280 0.0390 0.0390 Masiero 2012ApJ...759L...8M NEATM
0.282 0.0518 0.0518 Masiero 2011ApJ...741...68M 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
12.75 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.1 1 Synodic DeGraff 1998AAS...193.9608D Lightcurve
6.1 1 Synodic DeGraff LCDB Lightcurve
6.534 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
6.5352 2 Sidereal Durech 2023A&A...675A..24D Model
6.536 3 Synodic Ditteon 2004MPBu...31...54D Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.704 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT