Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.022631E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:09:50+0800
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    1 Object 1

    AOE ID 55294
    NORAD ID 55294
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name HJS-9C
    AOE ID 68833
    NORAD ID 68833
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-5286 HJS-9C
    Time of Closest Approach 2026-10-27T21:54:31+0000
    Collision Probability (Pc) 1.022631E-6
    Conjunction Distance (km) 2.001 km
    Relative Speed (km/s) 2.649 km/s
    Conjunction Risk Parameters R (Radial): 0.988 | I (In-track): -1.713 | C (Cross-track): 0.301
    Collision Risk Index (CRI) 0.35
    X Position (km) -5462.111 -5463.917
    Position Y (km) -1156.967 -1156.334
    Position Z (km) 4010.288 4009.705
    Velocity X (km/s) 4.612 4.198
    Velocity Y (km/s) -2.301 -4.611
    Velocity Z (km/s) 5.606 4.38

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5286 HJS-9C
    Semimajor Axis (a) 6875.682 km 6886.437 km
    Eccentricity (e) 0.000356 0.000984
    Inclination (i) 69.9989° 55.0019°
    RAAN 178.5276° 165.2348°
    Perigee Argument 269.8269° 41.3586°
    Mean Anomaly (M) 96.1427° 318.8177°
    Apogee 499.997 km 515.075 km
    Perigee 495.093 km 501.525 km
    Orbit Epoch 2026-10-27T06:00:04+0000 2026-10-27T02:45:41+0000

    STARLINK-5286 & HJS-9C Collision Probability (Pc) Trend

    STARLINK-5286 & HJS-9C Collision Probability (Pc) TrendNot Available

    STARLINK-5286 & HJS-9C Miss Distance (Miss Distance) Trend

    STARLINK-5286 & HJS-9C Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5286Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HJS-9CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5286Collision Probability Trend

    Object 1 Probability TrendNot Available

    HJS-9CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5286

    No nearby objects data