Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    7.360401E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T23:32:10+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 58473
    NORAD ID 58473
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-30947
    Time of Closest Approach 2026-10-29T17:57:24+0000
    Collision Probability (Pc) 7.360401E-5
    Conjunction Distance (km) 0.712 km
    Relative Speed (km/s) 12.728 km/s
    Conjunction Risk Parameters R (Radial): 0.561 | I (In-track): 0.235 | C (Cross-track): -0.37
    Collision Risk Index (CRI) 0.72
    X Position (km) 938.699 938.506
    Position Y (km) 5024.141 5024.81
    Position Z (km) -4578.971 -4579.116
    Velocity X (km/s) 2.499 -7.532
    Velocity Y (km/s) 4.618 0.438
    Velocity Z (km/s) 5.563 -1.061

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-30947
    Semimajor Axis (a) 6916.028 km 6861.133 km
    Eccentricity (e) 0.008896 0.000313
    Inclination (i) 99.0107° 42.9907°
    RAAN 68.3741° 200.3895°
    Perigee Argument 314.2149° 279.9473°
    Mean Anomaly (M) 45.1792° 80.1025°
    Apogee 599.414 km 485.141 km
    Perigee 476.368 km 480.851 km
    Orbit Epoch 2026-10-27T07:16:40+0000 2026-10-27T02:03:42+0000

    FENGYUN 1C DEB & STARLINK-30947 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-30947 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-30947 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-30947 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30947Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30947Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data