Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.95119E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T16:00:53+0800
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    1 Object 1

    AOE ID 45816
    NORAD ID 45816
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 57911
    NORAD ID 57911
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FREGAT DEB STARLINK-30478
    Time of Closest Approach 2026-10-21T13:06:17+0000
    Collision Probability (Pc) 9.95119E-7
    Conjunction Distance (km) 2.929 km
    Relative Speed (km/s) 8.332 km/s
    Conjunction Risk Parameters R (Radial): 2.916 | I (In-track): -0.277 | C (Cross-track): -0.016
    Collision Risk Index (CRI) 0.35
    X Position (km) 5450.025 5447.692
    Position Y (km) -838.764 -838.142
    Position Z (km) -4091.808 -4090.15
    Velocity X (km/s) 3.723 -0.796
    Velocity Y (km/s) 5.837 7.144
    Velocity Z (km/s) 4.35 -2.526

    Orbital Parameters 国际轨道数据源

    Parameter FREGAT DEB STARLINK-30478
    Semimajor Axis (a) 8096.087 km 6861.197 km
    Eccentricity (e) 0.158059 0.000118
    Inclination (i) 51.4817° 43.0021°
    RAAN 39.5723° 134.9792°
    Perigee Argument 319.3513° 256.7463°
    Mean Anomaly (M) 29.9208° 103.3257°
    Apogee 2997.611 km 483.871 km
    Perigee 438.289 km 482.249 km
    Orbit Epoch 2026-10-17T06:38:36+0000 2026-10-18T15:00:26+0000

    FREGAT DEB & STARLINK-30478 Collision Probability (Pc) Trend

    FREGAT DEB & STARLINK-30478 Collision Probability (Pc) TrendNot Available

    FREGAT DEB & STARLINK-30478 Miss Distance (Miss Distance) Trend

    FREGAT DEB & STARLINK-30478 Miss Distance (Miss Distance) TrendNot Available

    FREGAT DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30478Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FREGAT DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30478Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FREGAT DEB

    No nearby objects data