1998 HK19

1998HK19, 1999 NP46, 1999NP46, 37944, J98H19K, J99N46P

All data for this body: [vot]

MPC data
Name (number) 1998 HK19 (37944)
a 2.56270
e 0.15098
i / sin(i) 8.6520 / 0.15043
q 2.17578
Q 2.94962
ω 194.7557
Node 217.1914
m 349.6775
n 0.2402
Epoch 2460800.5
nobs 2768
nopp 22
Years observed 1998-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.564
ep 0.138
sin(ip) 0.158
G 0.150
H 14.410
Mass
D 3.62 0.644
pV 0.338 0.0911
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 17.833
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5636 0.1379 0.1581 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.62 0.644 0.644 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.338 0.0911 0.0911 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
14.41 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.400 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.80 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9778 0.9880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9943 0.9880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT