Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.576759E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T10:37:08+0800
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    1 Object 1

    AOE ID 53038
    NORAD ID 53038
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name DEAR-5
    AOE ID 67070
    NORAD ID 67070
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4156 DEAR-5
    Time of Closest Approach 2026-10-23T17:38:04+0000
    Collision Probability (Pc) 1.576759E-6
    Conjunction Distance (km) 1.676 km
    Relative Speed (km/s) 2.599 km/s
    Conjunction Risk Parameters R (Radial): -1.675 | I (In-track): 0.038 | C (Cross-track): 0
    Collision Risk Index (CRI) 0.39
    X Position (km) -4843.511 -4844.689
    Position Y (km) 2773.961 2774.675
    Position Z (km) 3946.525 3947.48
    Velocity X (km/s) -0.185 -1.99
    Velocity Y (km/s) -6.359 -6.953
    Velocity Z (km/s) 4.229 2.457

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4156 DEAR-5
    Semimajor Axis (a) 6840.860 km 6843.213 km
    Eccentricity (e) 0.000098 0.001398
    Inclination (i) 53.1576° 41.3599°
    RAAN 127.0571° 109.7387°
    Perigee Argument 88.2812° 313.7131°
    Mean Anomaly (M) 271.8303° 46.2539°
    Apogee 463.397 km 474.640 km
    Perigee 462.049 km 455.512 km
    Orbit Epoch 2026-10-21T20:05:59+0000 2026-10-21T12:13:51+0000

    STARLINK-4156 & DEAR-5 Collision Probability (Pc) Trend

    STARLINK-4156 & DEAR-5 Collision Probability (Pc) TrendNot Available

    STARLINK-4156 & DEAR-5 Miss Distance (Miss Distance) Trend

    STARLINK-4156 & DEAR-5 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4156Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    DEAR-5Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4156Collision Probability Trend

    Object 1 Probability TrendNot Available

    DEAR-5Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4156

    No nearby objects data