1999AL21

1982SS7, 1982ST10, 1986VG8, 22767, J82S07S, J82S10T, J86V08G, J99A21L

All data for this body: [vot]

MPC data
Name (number) 1999AL21 (22767)
Packed designation 22767
a 2.43439
e 0.19972
i / sin(i) 3.1524 / 0.05499
q 1.94819
Q 2.92060
ω 198.2115
Node 147.6738
m 135.9040
n 0.2595
Epoch 2459600.5
nobs 2141
nopp 20
Years observed 1982-2022
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.434
ep 0.163
sin(ip) 0.046
Value Standard error
G 0.150
H 14.630
Mass
D 4.21 0.150
pV 0.144 0.0165
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana 0.1500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4337 0.1634 0.0460 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.21 0.150 0.150 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.144 0.0165 0.0165 Masiero 2011ApJ...741...68M 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
14.63 MPC-2022-01-18 MPC-2022-01-18 Phot