1999 NG18

1999NG18, 19590, 1973 AC3, 1973AC3, 1998 KB59, 1998KB59, J73A03C, J98K59B, J99N18G

All data for this body: [vot]

MPC data
Name (number) 1999 NG18 (19590)
a 3.24701
e 0.03297
i / sin(i) 22.8361 / 0.38810
q 3.13996
Q 3.35407
ω 263.8778
Node 97.9665
m 83.5390
n 0.1685
Epoch 2460800.5
nobs 3877
nopp 24
Years observed 1973-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Alauda (702)
 
ap 3.233
ep 0.039
sin(ip) 0.372
G 0.150
H 12.230
Mass
D 15.99 0.172
pV 0.083 0.0080
Value
Rotational Period 4.859
Period quality 2
Spectral Class C
Spectral Class Score 1.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
702 Alauda 0 Alauda Novakovic 2019EPSC...13.1671N HCM
702 Alauda 902 Alauda 0.6500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2335 0.0389 0.3723 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.20 2.170 2.170 Masiero 2012ApJ...759L...8M NEATM
15.95 0.174 0.174 Masiero 2011ApJ...741...68M NEATM
18.86 1.400 1.400 Usui 2011PASJ...63.1117U NEATM
19.55 3.910 3.910 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.073 0.0290 0.0290 Ali-Lagoa 2018A&A...612A..85A NEATM
0.083 0.0084 0.0084 Masiero 2011ApJ...741...68M NEATM
0.122 0.0530 0.0530 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
12.23 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.85785 2 Sidereal Durech 2023A&A...675A..24D Model
4.85947 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Xt None None Movis NIR Popescu 2018A&A...617A..12P PHOT