Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.746875E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T03:52:57+0800
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    1 Object 1

    AOE ID 30447
    NORAD ID 30447
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    Name TIRSAT
    AOE ID 58989
    NORAD ID 58989
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter FENGYUN 1C DEB TIRSAT
    Time of Closest Approach 2026-10-13T01:26:03+0000
    Collision Probability (Pc) 1.746875E-6
    Conjunction Distance (km) 2.505 km
    Relative Speed (km/s) 14.767 km/s
    Conjunction Risk Parameters R (Radial): -2.075 | I (In-track): 0.271 | C (Cross-track): -1.376
    Collision Risk Index (CRI) 0.4
    X Position (km) 5269.346 5267.545
    Position Y (km) -991.91 -992.998
    Position Z (km) -4567.151 -4565.793
    Velocity X (km/s) -4.964 4.453
    Velocity Y (km/s) -0.633 -2.235
    Velocity Z (km/s) -5.631 5.629

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB TIRSAT
    Semimajor Axis (a) 7065.143 km 7030.675 km
    Eccentricity (e) 0.005095 0.000600
    Inclination (i) 98.9533° 97.9837°
    RAAN 176.1483° 341.7319°
    Perigee Argument 185.0356° 125.5835°
    Mean Anomaly (M) 301.3993° 234.5933°
    Apogee 723.003 km 656.759 km
    Perigee 651.009 km 648.317 km
    Orbit Epoch 2026-10-12T05:17:36+0000 2026-10-12T07:40:57+0000

    FENGYUN 1C DEB & TIRSAT Collision Probability (Pc) Trend

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

    FENGYUN 1C DEB & TIRSAT Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & TIRSAT Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIRSATMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    TIRSATCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data