Rollandia

01269, 1902EA, 1906SA, 1907WB, 1918EG, 1926GC1, 1930SH, 1931VY, 1936LE, 1961PB, J02E00A, J06S00A, J07W00B, J18E00G, J26G01C, J30S00H, J31V00Y, J36L00E, J61P00B

All data for this body: [vot]

MPC data
Name (number) Rollandia (1269)
Packed designation 01269
a 3.90019
e 0.09843
i / sin(i) 2.7589 / 0.04813
q 3.51630
Q 4.28409
ω 19.4630
Node 134.7098
m 120.9101
n 0.1280
Epoch 2459600.5
nobs 3727
nopp 56
Years observed 1906-2021
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.962
ep 0.124
sin(ip) 0.033
Value Standard error
G 0.150
H 8.780
Mass
D 9.01 0.010
pV 0.047 0.0021
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.9618 0.1245 0.0332 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
9.00 0.010 0.010 Grav 2012ApJ...744..197G NEATM
99.44 9.940 9.940 Ali-Lagoa 2018A&A...612A..85A NEATM
105.19 2.800 2.800 Tedesco 2002AJ....123.1056T STM
105.27 6.643 6.643 Ryan&Woodward 2010AJ....140..933R IRAS-STM
107.85 1.660 1.660 Usui 2011PASJ...63.1117U NEATM
108.09 21.620 21.620 Ali-Lagoa 2018A&A...612A..85A NEATM
111.95 5.216 5.216 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
0.042 0.0040 0.0040 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.047 0.0030 0.0030 Tedesco 2002AJ....123.1056T STM
0.048 0.0090 0.0090 Grav 2012ApJ...744..197G NEATM
0.049 0.0066 0.0066 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.054 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.064 0.0130 0.0130 Ali-Lagoa 2018A&A...612A..85A NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.78 MPC-2022-01-18 MPC-2022-01-18 Phot