Apophis

2004 MN4, 2004MN4, 99942, K04M04N

All data for this body: [vot]

MPC data
Name (number) Apophis (99942)
a 0.92238
e 0.19113
i / sin(i) 3.3410 / 0.05828
q 0.74609
Q 1.09868
ω 126.6743
Node 203.9029
m 90.2803
n 1.1126
Epoch 2460800.5
nobs 9399
nopp 13
Years observed 2004-2021
rms 0.35
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 19.000
Mass
D
pV
Value
Rotational Period 30.500
Period quality 3
Spectral Class S
Spectral Class Score 57.790
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
19.00 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
30.4966 2+ Synodic Loera 2021MPBu...48..203L Lightcurve
30.53 2 Synodic Oey 2014MPBu...41..276O Lightcurve
30.56 3 Synodic Pravec 2014Icar..233...48P Lightcurve
30.57 2 Synodic Behrend LCDB Lightcurve
30.58 3 Synodic Behrend LCDB Lightcurve
30.62 2 Synodic Warner 2021MPBu...48..294W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S-complex Bus-DeMeo NIR Marsset 2022AJ....163..165M SPEC
S-complex Bus-DeMeo VIS Hromakina 2021A&A...656A..89H PHOT
S Bus VIS Lin 2018P&SS..152..116L PHOT
S 0.970000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S Sq Bus-DeMeo VISNIR Perna 2016AJ....151...11P SPEC
Sq Binzel 2010Natur.463..331B SPEC
Sq Bus-DeMeo VISNIR Binzel 2019Icar..324...41B SPEC
Sq Bus VISNIR Binzel 2009Icar..200..480B SPEC