1999 NH3

1999NH3, 11745, 1977 RR1, 1977RR1, 1986 QZ4, 1986QZ4, 1986 RR12, 1986RR12, 1986 SF2, 1986SF2, J77R01R, J86Q04Z, J86R12R, J86S02F, J99N03H

All data for this body: [vot]

MPC data
Name (number) 1999 NH3 (11745)
a 2.70225
e 0.17953
i / sin(i) 14.2203 / 0.24565
q 2.21711
Q 3.18739
ω 178.7005
Node 159.1981
m 259.2277
n 0.2219
Epoch 2460800.5
nobs 4416
nopp 24
Years observed 1977-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.704
ep 0.138
sin(ip) 0.222
G 0.150
H 12.810
Mass
D 8.22 0.182
pV 0.239 0.0414
Value
Rotational Period 3.200
Period quality 3
Spectral Class S
Spectral Class Score 14.876
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7036 0.1379 0.2215 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.22 0.182 0.182 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.239 0.0414 0.0414 Masiero 2011ApJ...741...68M 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
12.81 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.28 3 Synodic Rowe 2018MPBu...45..203R Lightcurve
3.28 3 Synodic Salvaggio 2018MPBu...45...17S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S None Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.161 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.6556 0.8980 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9961 0.8980 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT