Tianjin

02209, 1927CC, 1935WC, 1942EN1, 1952HR2, 1957JO, 1959UP, 1966GA, 1971FW, 1971JB, 1973QU, 1973SW2, 1973UT3, 1976GP7, 1976KB, 1978US1, J27C00C, J35W00C, J42E01N, J52H02R, J57J00O, J59U00P, J66G00A, J71F00W, J71J00B, J73Q00U, J73S02W, J73U03T, J76G07P, J76K00B, J78U01S

All data for this body: [vot]

MPC data
Name (number) Tianjin (2209)
Packed designation 02209
a 2.84568
e 0.06358
i / sin(i) 2.6191 / 0.04570
q 2.66474
Q 3.02662
ω 262.4807
Node 150.7760
m 345.7133
n 0.2053
Epoch 2459600.5
nobs 3194
nopp 40
Years observed 1942-2022
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.846
ep 0.049
sin(ip) 0.038
Value Standard error
G 0.150
H 11.260
Mass
D 16.88 0.101
pV 0.279 0.0169
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 605 Koronis -0.8100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8465 0.0485 0.0378 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.09 1.560 1.560 Masiero 2012ApJ...759L...8M NEATM
15.57 1.080 1.080 Usui 2011PASJ...63.1117U NEATM
16.08 3.220 3.220 Ali-Lagoa 2018A&A...612A..85A NEATM
16.44 1.200 1.200 Tedesco 2002AJ....123.1056T STM
16.79 0.280 0.280 Masiero 2014ApJ...791..121M NEATM
16.92 0.110 0.110 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.262 0.1050 0.1050 Ali-Lagoa 2018A&A...612A..85A NEATM
0.270 0.0600 0.0600 Masiero 2014ApJ...791..121M NEATM
0.271 0.0203 0.0203 Masiero 2011ApJ...741...68M NEATM
0.285 0.0490 0.0490 Tedesco 2002AJ....123.1056T STM
0.354 0.0590 0.0590 Masiero 2012ApJ...759L...8M 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
11.26 MPC-2022-01-18 MPC-2022-01-18 Phot