Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.114734E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T21:33:29+0800
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    1 Object 1

    AOE ID 53400
    NORAD ID 53400
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64614
    NORAD ID 64614
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4520 STARLINK-34440
    Time of Closest Approach 2026-10-28T16:51:59+0000
    Collision Probability (Pc) 2.114734E-6
    Conjunction Distance (km) 2.156 km
    Relative Speed (km/s) 12.208 km/s
    Conjunction Risk Parameters R (Radial): 2.017 | I (In-track): -0.459 | C (Cross-track): -0.605
    Collision Risk Index (CRI) 0.42
    X Position (km) 5653.551 5654.793
    Position Y (km) -3816.37 -3818.126
    Position Z (km) -500.792 -500.936
    Velocity X (km/s) 2.203 2.932
    Velocity Y (km/s) 4.05 3.557
    Velocity Z (km/s) -6.088 6.088

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4520 STARLINK-34440
    Semimajor Axis (a) 6838.011 km 6840.841 km
    Eccentricity (e) 0.000163 0.000183
    Inclination (i) 53.1595° 53.1582°
    RAAN 146.3336° 333.3881°
    Perigee Argument 89.9758° 47.4742°
    Mean Anomaly (M) 270.1431° 312.6415°
    Apogee 460.988 km 463.960 km
    Perigee 458.760 km 461.448 km
    Orbit Epoch 2026-10-27T22:52:43+0000 2026-10-27T19:00:14+0000

    STARLINK-4520 & STARLINK-34440 Collision Probability (Pc) Trend

    STARLINK-4520 & STARLINK-34440 Collision Probability (Pc) TrendNot Available

    STARLINK-4520 & STARLINK-34440 Miss Distance (Miss Distance) Trend

    STARLINK-4520 & STARLINK-34440 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4520Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34440Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4520Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34440Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4520

    No nearby objects data