1998 HP19

1998HP19, 1998 HL28, 1998HL28, 1999 RS16, 1999RS16, 37945, J98H19P, J98H28L, J99R16S

All data for this body: [vot]

MPC data
Name (number) 1998 HP19 (37945)
a 2.58209
e 0.16678
i / sin(i) 11.0015 / 0.19084
q 2.15144
Q 3.01274
ω 306.3886
Node 2.4423
m 90.8076
n 0.2375
Epoch 2460800.5
nobs 1855
nopp 19
Years observed 1995-2024
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.582
ep 0.138
sin(ip) 0.194
G 0.150
H 15.080
Mass
D 3.23 1.142
pV 0.186 0.1402
Value
Rotational Period 44.618
Period quality 2
Spectral Class S
Spectral Class Score 3.613
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5820 0.1381 0.1939 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.23 1.142 1.142 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.186 0.1402 0.1402 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
15.08 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
44.6184 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.10 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.5688 0.5688 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT