1999 NL57

1999NL57, 1992 OU, 1992OU, 2001 DY23, 2001DY23, 40398, J92O00U, J99N57L, K01D23Y

All data for this body: [vot]

MPC data
Name (number) 1999 NL57 (40398)
a 2.32034
e 0.26188
i / sin(i) 13.5078 / 0.23358
q 1.71269
Q 2.92799
ω 189.4675
Node 159.7296
m 255.1905
n 0.2789
Epoch 2460200.5
nobs 1885
nopp 20
Years observed 1991-2023
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.321
ep 0.194
sin(ip) 0.214
Value Standard error
G 0.150
H 14.910
Mass
D 7.20 0.016
pV 0.048 0.0008
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3205 0.1944 0.2145 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.76 1.020 1.020 Masiero 2021PSJ.....2..162M NEATM
5.86 0.550 0.550 Usui 2011PASJ...63.1117U NEATM
6.09 1.170 1.170 Masiero 2012ApJ...759L...8M NEATM
6.17 1.230 1.230 Ali-Lagoa 2018A&A...612A..85A NEATM
6.19 2.040 2.040 Masiero 2020PSJ.....1....5M NEATM
6.64 1.280 1.280 Masiero 2020PSJ.....1....5M NEATM
7.21 0.016 0.016 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.041 0.0170 0.0170 Masiero 2020PSJ.....1....5M NEATM
0.048 0.0008 0.0008 Masiero 2011ApJ...741...68M NEATM
0.048 0.0370 0.0370 Masiero 2020PSJ.....1....5M NEATM
0.063 0.0200 0.0290 Masiero 2021PSJ.....2..162M NEATM
0.068 0.0270 0.0270 Ali-Lagoa 2018A&A...612A..85A NEATM
0.069 0.0200 0.0200 Masiero 2012ApJ...759L...8M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.91 MPC-2023-12-04 MPC-2023-12-04 Phot