2002 PY172

2002PY172, H6694, K02PH2Y

All data for this body: [vot]

MPC data
Name (number) 2002 PY172 (176694)
a 2.42204
e 0.17566
i / sin(i) 2.5692 / 0.04483
q 1.99657
Q 2.84750
ω 322.3750
Node 84.4947
m 305.2500
n 0.2615
Epoch 2460800.5
nobs 392
nopp 18
Years observed 1991-2025
rms 0.84
Best values
[raw, vot]

Value Standard error
Parent Massalia (20)
 
ap 2.422
ep 0.158
sin(ip) 0.028
G 0.150
H 17.450
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 0.820
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
20 Massalia 0 Massalia Novakovic 2019EPSC...13.1671N HCM
20 Massalia 404 Massalia 0.1600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4221 0.1584 0.0275 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
17.45 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 0.1366 0.0800 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X D 0.0390 0.0800 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT