Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.981618E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T15:37:15+0800
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    1 Object 1

    AOE ID 44636
    NORAD ID 44636
    Object Type ROCKET BODY
    Country
    US US
    VS

    2 Object 2

    AOE ID 53476
    NORAD ID 53476
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ELECTRON KICK STAGE R/B STARLINK-4378
    Time of Closest Approach 2026-09-12T19:11:33+0000
    Collision Probability (Pc) 4.981618E-6
    Conjunction Distance (km) 1.646 km
    Relative Speed (km/s) 14.806 km/s
    Conjunction Risk Parameters R (Radial): -0.951 | I (In-track): -0.354 | C (Cross-track): 1.296
    Collision Risk Index (CRI) 0.49
    X Position (km) 1182.208 1182.139
    Position Y (km) -670.594 -669.166
    Position Z (km) 6777.996 6777.179
    Velocity X (km/s) 7.141 -7.362
    Velocity Y (km/s) -2.399 -1.466
    Velocity Z (km/s) -1.687 1.136

    Orbital Parameters 国际轨道数据源

    Parameter ELECTRON KICK STAGE R/B STARLINK-4378
    Semimajor Axis (a) 7165.612 km 6921.146 km
    Eccentricity (e) 0.043152 0.000321
    Inclination (i) 87.9043° 97.2858°
    RAAN 161.2005° 9.3159°
    Perigee Argument 143.4252° 114.8903°
    Mean Anomaly (M) 219.7255° 216.5898°
    Apogee 1096.688 km 545.228 km
    Perigee 478.262 km 540.790 km
    Orbit Epoch 2026-09-11T19:13:52+0000 2026-09-11T22:00:02+0000

    ELECTRON KICK STAGE R/B & STARLINK-4378 Collision Probability (Pc) Trend

    ELECTRON KICK STAGE R/B & STARLINK-4378 Collision Probability (Pc) TrendNot Available

    ELECTRON KICK STAGE R/B & STARLINK-4378 Miss Distance (Miss Distance) Trend

    ELECTRON KICK STAGE R/B & STARLINK-4378 Miss Distance (Miss Distance) TrendNot Available

    ELECTRON KICK STAGE R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4378Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ELECTRON KICK STAGE R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4378Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ELECTRON KICK STAGE R/B

    No nearby objects data