1998 HW97

1998HW97, 37969, J98H97W

All data for this body: [vot]

MPC data
Name (number) 1998 HW97 (37969)
a 2.55379
e 0.14309
i / sin(i) 6.9117 / 0.12034
q 2.18838
Q 2.91920
ω 331.6512
Node 245.5322
m 229.0493
n 0.2415
Epoch 2460800.5
nobs 1563
nopp 21
Years observed 1998-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent Rafita (1644)
 
ap 2.551
ep 0.171
sin(ip) 0.134
G 0.150
H 15.280
Mass
D 2.80 0.164
pV 0.247 0.0373
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 5.094
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1644 Rafita 518 Rafita -0.1900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5509 0.1708 0.1338 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.80 0.164 0.164 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.247 0.0373 0.0373 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
15.28 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
D D 0.4402 0.3230 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Ds Ds None None Movis NIR Popescu 2018A&A...617A..12P PHOT
L 0.403 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.25 Bus VIS Carvano 2010A&A...510A..43C PHOT
S D 0.6522 0.3230 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.4088 0.3230 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT