Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.524315E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T15:28:01+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 66470
    NORAD ID 66470
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-35655
    Time of Closest Approach 2026-10-20T09:40:32+0000
    Collision Probability (Pc) 1.524315E-6
    Conjunction Distance (km) 2.284 km
    Relative Speed (km/s) 8.735 km/s
    Conjunction Risk Parameters R (Radial): -2.045 | I (In-track): -0.827 | C (Cross-track): -0.587
    Collision Risk Index (CRI) 0.39
    X Position (km) 2388.453 2388.99
    Position Y (km) 5333.381 5335.582
    Position Z (km) -3596.422 -3596.703
    Velocity X (km/s) 2.889 -5.137
    Velocity Y (km/s) 3.011 4.54
    Velocity Z (km/s) 6.414 3.326

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-35655
    Semimajor Axis (a) 6916.434 km 6861.161 km
    Eccentricity (e) 0.008908 0.000113
    Inclination (i) 99.0053° 42.9982°
    RAAN 58.7265° 111.9515°
    Perigee Argument 342.5568° 219.4164°
    Mean Anomaly (M) 17.2601° 140.6605°
    Apogee 599.911 km 483.803 km
    Perigee 476.683 km 482.245 km
    Orbit Epoch 2026-10-19T01:59:38+0000 2026-10-19T13:29:41+0000

    FENGYUN 1C DEB & STARLINK-35655 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-35655 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-35655 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-35655 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35655Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35655Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data