Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.506132E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T22:48:28+0800
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    1 Object 1

    AOE ID 31877
    NORAD ID 31877
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 57612
    NORAD ID 57612
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-30245
    Time of Closest Approach 2026-09-04T19:29:57+0000
    Collision Probability (Pc) 1.506132E-6
    Conjunction Distance (km) 2.68 km
    Relative Speed (km/s) 13.89 km/s
    Conjunction Risk Parameters R (Radial): 0.88 | I (In-track): 1.068 | C (Cross-track): -2.294
    Collision Risk Index (CRI) 0.39
    X Position (km) -5648.925 -5647.89
    Position Y (km) -1264.759 -1262.406
    Position Z (km) 3675.321 3676.077
    Velocity X (km/s) -4.274 3.438
    Velocity Y (km/s) 0.497 -6.004
    Velocity Z (km/s) -6.336 3.212

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-30245
    Semimajor Axis (a) 6919.234 km 6861.174 km
    Eccentricity (e) 0.009232 0.000080
    Inclination (i) 99.0010° 42.9998°
    RAAN 5.6478° 153.3741°
    Perigee Argument 130.9671° 309.9686°
    Mean Anomaly (M) 229.9588° 50.1095°
    Apogee 604.979 km 483.586 km
    Perigee 477.215 km 482.488 km
    Orbit Epoch 2026-09-03T18:58:27+0000 2026-09-04T03:34:51+0000

    FENGYUN 1C DEB & STARLINK-30245 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-30245 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-30245 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-30245 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30245Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30245Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data