Momcheva

08260, 1949 OA1, 1949OA1, 1978 XB1, 1978XB1, 1981 SD9, 1981SD9, 1984 SH, 1984SH, 1987 QX11, 1987QX11, J49O01A, J78X01B, J81S09D, J84S00H, J87Q11X

All data for this body: [vot]

MPC data
Name (number) Momcheva (8260)
a 2.15575
e 0.17279
i / sin(i) 2.8272 / 0.04932
q 1.78325
Q 2.52825
ω 176.7556
Node 114.5648
m 350.7525
n 0.3114
Epoch 2460800.5
nobs 4405
nopp 28
Years observed 1949-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.156
ep 0.119
sin(ip) 0.042
G 0.150
H 13.950
Mass
D 3.86 0.850
pV 0.300 0.1300
Value
Rotational Period 78.060
Period quality 2
Spectral Class S
Spectral Class Score 3.216
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1557 0.1188 0.0424 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.86 0.850 0.850 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.300 0.1300 0.1300 Nugent 2016AJ....152...63N 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
13.95 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
78.065 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.536 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT