1998 SP27

1998SP27, 40203, J98S27P

All data for this body: [vot]

MPC data
Name (number) 1998 SP27 (40203)
a 1.93385
e 0.10308
i / sin(i) 23.3573 / 0.39646
q 1.73452
Q 2.13318
ω 57.7375
Node 63.9836
m 230.3065
n 0.3665
Epoch 2460800.5
nobs 2147
nopp 17
Years observed 1976-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Hungaria (434)
 
ap 1.934
ep 0.092
sin(ip) 0.366
G 0.150
H 15.390
Mass
D 1.25 0.185
pV 1.000 0.0716
Value
Rotational Period 5.440
Period quality 3
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
434 Hungaria 0 Hungaria Novakovic 2019EPSC...13.1671N HCM
434 Hungaria 3 Hungaria -0.3500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.9340 0.0920 0.3661 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.25 0.185 0.185 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.000 0.0716 0.0716 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
15.39 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.44 3 Synodic Warner 2010MPBu...37...57W Lightcurve
5.447 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
5.448 3 Synodic Warner 2013MPBu...40..217W Lightcurve