Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.995042E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T01:02:19+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 25042
    NORAD ID 25042
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 30092
    NORAD ID 30092
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter IRIDIUM 39 FENGYUN 1C DEB
    Time of Closest Approach 2026-10-18T19:20:18+0000
    Collision Probability (Pc) 1.995042E-6
    Conjunction Distance (km) 2.276 km
    Relative Speed (km/s) 13.48 km/s
    Conjunction Risk Parameters R (Radial): -2.172 | I (In-track): 0.295 | C (Cross-track): 0.609
    Collision Risk Index (CRI) 0.41
    X Position (km) 1034.591 1033.998
    Position Y (km) 468.002 467.246
    Position Z (km) 6993.05 6990.988
    Velocity X (km/s) -7.423 4.692
    Velocity Y (km/s) -0.125 -5.876
    Velocity Z (km/s) 1.097 -0.262

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 39 FENGYUN 1C DEB
    Semimajor Axis (a) 7104.208 km 7136.849 km
    Eccentricity (e) 0.001972 0.008318
    Inclination (i) 86.3955° 98.9204°
    RAAN 1.7705° 128.6168°
    Perigee Argument 112.8560° 55.0867°
    Mean Anomaly (M) 247.4729° 334.6593°
    Apogee 740.079 km 818.078 km
    Perigee 712.063 km 699.346 km
    Orbit Epoch 2026-10-18T04:03:25+0000 2026-10-18T12:22:50+0000

    IRIDIUM 39 & FENGYUN 1C DEB Collision Probability (Pc) Trend

    IRIDIUM 39 & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    IRIDIUM 39 & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    IRIDIUM 39 & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 39Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 39Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 39

    No nearby objects data