Ianrees

1998 SM4, 1998SM4, 26277, J98S04M

All data for this body: [vot]

MPC data
Name (number) Ianrees (26277)
a 2.42124
e 0.21704
i / sin(i) 1.7659 / 0.03082
q 1.89574
Q 2.94675
ω 175.1001
Node 203.4892
m 16.0218
n 0.2616
Epoch 2460800.5
nobs 1788
nopp 20
Years observed 1997-2024
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.421
ep 0.183
sin(ip) 0.041
G 0.150
H 15.060
Mass
D 3.06 0.770
pV 0.207 0.1490
Value
Rotational Period 8.680
Period quality 2-
Spectral Class S
Spectral Class Score 1.974
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
135 Hertha 0 Hertha Novakovic 2019EPSC...13.1671N HCM
44 Nysa 405 Nysa-Polana 0.0000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4214 0.1834 0.0405 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.06 0.770 0.770 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.207 0.1490 0.1490 Masiero 2020PSJ.....1....5M 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
15.06 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.688 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S 0.3290 0.3290 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT