Rolandmeier

12870, 1990 SN15, 1990SN15, 1997 ES9, 1997ES9, 1998 MK37, 1998MK37, J90S15N, J97E09S, J98M37K

All data for this body: [vot]

MPC data
Name (number) Rolandmeier (12870)
a 2.57558
e 0.17617
i / sin(i) 7.1994 / 0.12532
q 2.12183
Q 3.02932
ω 359.3886
Node 276.0866
m 193.7085
n 0.2384
Epoch 2460800.5
nobs 2611
nopp 23
Years observed 1990-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Rafita (1644)
 
ap 2.575
ep 0.174
sin(ip) 0.139
G 0.150
H 14.010
Mass
D 4.82 0.097
pV 0.230 0.0154
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 2.988
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1644 Rafita 518 Rafita 0.5500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5752 0.1742 0.1386 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.95 0.440 0.440 Masiero 2012ApJ...759L...8M NEATM
4.87 0.099 0.099 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.225 0.0157 0.0157 Masiero 2011ApJ...741...68M NEATM
0.343 0.0770 0.0770 Masiero 2012ApJ...759L...8M 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
14.01 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 0.498 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT