1999JM28

1971YD, 1978SU1, 1993TW, 20439, J71Y00D, J78S01U, J93T00W, J99J28M

All data for this body: [vot]

MPC data
Name (number) 1999JM28 (20439)
Packed designation 20439
a 2.39983
e 0.19389
i / sin(i) 1.3908 / 0.02427
q 1.93454
Q 2.86513
ω 185.6762
Node 238.8497
m 186.9146
n 0.2651
Epoch 2459600.5
nobs 2483
nopp 21
Years observed 1971-2021
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.401
ep 0.188
sin(ip) 0.039
Value Standard error
G 0.150
H 14.150
Mass
D 4.56 0.215
pV 0.333 0.0580
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana -0.3700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4010 0.1876 0.0387 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.51 0.243 0.243 Masiero 2011ApJ...741...68M NEATM
4.72 0.460 0.460 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.316 0.0882 0.0882 Masiero 2011ApJ...741...68M NEATM
0.345 0.0770 0.0770 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
14.15 MPC-2022-01-18 MPC-2022-01-18 Phot