1998 SM87

1998SM87, 40217, 4224 P-L, 4224P-L, J98S87M, PLS4224

All data for this body: [vot]

MPC data
Name (number) 1998 SM87 (40217)
a 3.08435
e 0.08618
i / sin(i) 8.5928 / 0.14941
q 2.81854
Q 3.35016
ω 77.2396
Node 216.7932
m 34.8490
n 0.1820
Epoch 2460800.5
nobs 1769
nopp 24
Years observed 1960-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.085
ep 0.082
sin(ip) 0.162
G 0.150
H 14.130
Mass
D
pV
Value
Rotational Period 4.810
Period quality 2
Spectral Class S
Spectral Class Score 5.916
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0853 0.0815 0.1616 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
14.13 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.81001 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
S 0.986 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT