1997 YR4

1997YR4, 2000 RL66, 2000RL66, 39818, J97Y04R, K00R66L

All data for this body: [vot]

MPC data
Name (number) 1997 YR4 (39818)
a 2.27205
e 0.14411
i / sin(i) 4.0736 / 0.07104
q 1.94462
Q 2.59948
ω 292.9519
Node 109.2717
m 53.7111
n 0.2878
Epoch 2460800.5
nobs 2347
nopp 19
Years observed 1997-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.272
ep 0.129
sin(ip) 0.062
G 0.150
H 15.430
Mass
D 2.03 0.352
pV 0.355 0.1512
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 15.068
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.3400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2718 0.1293 0.0618 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.03 0.352 0.352 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.355 0.1512 0.1512 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
15.43 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 0.53 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.4484 0.8040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5553 0.8040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9976 0.8040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT