Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.399035E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T07:15:59+0800
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    1 Object 1

    AOE ID 29771
    NORAD ID 29771
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 56841
    NORAD ID 56841
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-30078
    Time of Closest Approach 2026-10-21T09:40:42+0000
    Collision Probability (Pc) 5.399035E-6
    Conjunction Distance (km) 1.384 km
    Relative Speed (km/s) 7.293 km/s
    Conjunction Risk Parameters R (Radial): -1.049 | I (In-track): 0.796 | C (Cross-track): -0.426
    Collision Risk Index (CRI) 0.5
    X Position (km) 5430.962 5431.89
    Position Y (km) 4105.797 4106.126
    Position Z (km) 834.011 834.985
    Velocity X (km/s) 1.513 -2.882
    Velocity Y (km/s) -0.463 4.863
    Velocity Z (km/s) -7.463 -5.119

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-30078
    Semimajor Axis (a) 6865.170 km 6861.170 km
    Eccentricity (e) 0.001185 0.000101
    Inclination (i) 99.6058° 43.0016°
    RAAN 214.6823° 231.1021°
    Perigee Argument 143.9429° 272.2015°
    Mean Anomaly (M) 216.2604° 87.8722°
    Apogee 495.171 km 483.723 km
    Perigee 478.895 km 482.343 km
    Orbit Epoch 2026-10-20T10:53:57+0000 2026-10-20T06:15:42+0000

    FENGYUN 1C DEB & STARLINK-30078 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-30078 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-30078 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-30078 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30078Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30078Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data