Druzhba

01621, 1926TM, 1927AE, 1931EO, 1946UH, 1949QS1, 1951EK1, 1951ER1, 1958GA, 1979QP4, J26T00M, J27A00E, J31E00O, J46U00H, J49Q01S, J51E01K, J51E01R, J58G00A, J79Q04P

All data for this body: [vot]

MPC data
Name (number) Druzhba (1621)
Packed designation 01621
a 2.22954
e 0.11944
i / sin(i) 3.1725 / 0.05534
q 1.96324
Q 2.49585
ω 238.6649
Node 181.8317
m 186.1462
n 0.2961
Epoch 2459600.5
nobs 3568
nopp 39
Years observed 1926-2021
rms 0.51
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.230
ep 0.127
sin(ip) 0.062
Value Standard error
G 0.150
H 11.870
Mass
D 11.85 0.160
pV 0.259 0.0242
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.6500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2300 0.1272 0.0625 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
9.08 0.800 0.800 Tedesco 2002AJ....123.1056T STM
10.80 1.080 1.080 Ali-Lagoa 2018A&A...612A..85A NEATM
11.60 1.160 1.160 Ali-Lagoa 2018A&A...612A..85A NEATM
11.70 0.200 0.200 Usui 2011PASJ...63.1117U NEATM
12.69 0.300 0.300 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
0.237 0.0460 0.0460 Tedesco 2002AJ....123.1056T STM
0.244 0.0390 0.0390 Masiero 2012ApJ...759L...8M NEATM
0.274 0.0550 0.0550 Ali-Lagoa 2018A&A...612A..85A NEATM
0.316 0.0630 0.0630 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
11.87 MPC-2022-01-18 MPC-2022-01-18 Phot