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 2.32053
e 0.26194
i / sin(i) 13.5074 / 0.23357
q 1.71268
Q 2.92837
ω 189.5692
Node 159.7062
m 62.4389
n 0.2788
Epoch 2460800.5
nobs 2612
nopp 21
Years observed 1991-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.321
ep 0.194
sin(ip) 0.214
G 0.150
H 14.830
Mass
D 7.20 0.016
pV 0.048 0.0008
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 8.019
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-Nov-2024
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
14.83 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.92 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.1220 0.5810 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.9078 0.5810 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.5841 0.5810 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT