NASA JPL
DEEP SPACE TRACKING CONSOLE
OBJECT: 99942 APOPHIS
NOMINAL
TRACKING ACTIVE
TARGET OBJECT
99942 APOPHIS
Aten-class NEA
PHO
NEO
PHA
ORBITAL ELEMENTS
Semi-major axis
0.9224 AU
Eccentricity
0.1914
Inclination
3.33°
RAAN Ω
203.93°
Arg. of peri. ω
126.39°
Period
323.6 days
Perihelion q
0.7462 AU
Aphelion Q
1.0986 AU
PHYSICAL DATA
Diameter
~370 m
Mass
6.1×10¹⁰ kg
Albedo
0.30
Type
Sq
H magnitude
19.7
INNER SOLAR SYSTEM — J2000 ECLIPTIC · drag to rotate · scroll to zoom
22 MAR 2029
LIVE TELEMETRY
DISTANCE
150.000M km
VELOCITY
30.73 km/s
APP. MAG.
5.8
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⊛ CLOSE APPROACH
↺ RESET
SPEED:
0.5×
1×
5×
20×
JAN 2029
APR 13 ⚠
DEC 2029
DAY 080 / 365 — 22 MAR 2029
PROXIMITY GAUGE
150.000M km
APOPHIS ↔ EARTH
GEO BELT
OUTSIDE
LUNAR DIST
OUTSIDE
1M KM
OUTSIDE
MISSION TIMELINE
13 APR 2029
Close Approach
31,600 km
14 APR 2029
Min. distance
0.000212 AU
20 APR 2029
Visibility peak
Mag. +3.1
Q3 2029
Radar observations
Arecibo+GBT
IMPACT ASSESSMENT
Torino Scale
0
Palermo Scale
–3.9
Collision Prob.
< 1:150k
✓ NO IMPACT RISK
Confirmed NASA/ESA/JAXA
MISSION LOG
[00:00:00]
SYSTEM INITIALIZED — APOPHIS TRACKING ONLINE
[00:00:01]
JPL HORIZONS DATA LOADED — EPOCH 2029.0
[00:00:02]
ORBITAL MECHANICS MODULE ACTIVE
[00:00:03]
MONITORING 99942 APOPHIS — CLOSE APPROACH: 13-APR-2029
▸
DATA SOURCE:
NASA JPL HORIZONS
EPOCH:
2029-JAN-01 00:00 UTC
FRAME:
J2000 ECLIPTIC
MODEL:
KEPLERIAN MECHANICS
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