1997 YN7

1997YN7, 16855, 1981 AH2, 1981AH2, J81A02H, J97Y07N

All data for this body: [vot]

MPC data
Name (number) 1997 YN7 (16855)
a 2.60296
e 0.12514
i / sin(i) 15.5686 / 0.26839
q 2.27723
Q 2.92870
ω 274.5239
Node 110.4827
m 275.8703
n 0.2347
Epoch 2460800.5
nobs 3253
nopp 23
Years observed 1981-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Maria (170)
 
ap 2.602
ep 0.090
sin(ip) 0.256
G 0.150
H 13.730
Mass
D 5.13 0.105
pV 0.267 0.0277
Value
Rotational Period 10.570
Period quality 2
Spectral Class S
Spectral Class Score 7.044
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
170 Maria 0 Maria Novakovic 2019EPSC...13.1671N HCM
170 Maria 506 Maria 0.5200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6023 0.0904 0.2563 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.13 0.105 0.105 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.267 0.0277 0.0277 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
13.73 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.578 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K S 0.3261 0.4460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L 0.43 Bus VIS Carvano 2010A&A...510A..43C PHOT
L S 0.4133 0.4460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.8406 0.4460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT