Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.247783E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:14:15+0800
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    1 Object 1

    AOE ID 55269
    NORAD ID 55269
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name MESON-1
    AOE ID 59131
    NORAD ID 59131
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5277 MESON-1
    Time of Closest Approach 2026-10-22T01:27:29+0000
    Collision Probability (Pc) 1.247783E-6
    Conjunction Distance (km) 2.98 km
    Relative Speed (km/s) 12.891 km/s
    Conjunction Risk Parameters R (Radial): 2.783 | I (In-track): 0.559 | C (Cross-track): 0.908
    Collision Risk Index (CRI) 0.37
    X Position (km) -301.246 -302.075
    Position Y (km) 2330.947 2332.632
    Position Z (km) -6441.91 -6444.224
    Velocity X (km/s) -7.493 2.058
    Velocity Y (km/s) -1.355 6.92
    Velocity Z (km/s) -0.14 2.404

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5277 MESON-1
    Semimajor Axis (a) 6852.730 km 6847.009 km
    Eccentricity (e) 0.000306 0.001043
    Inclination (i) 69.9985° 97.5819°
    RAAN 198.3789° 73.0462°
    Perigee Argument 271.4615° 153.6926°
    Mean Anomaly (M) 88.6210° 206.4848°
    Apogee 476.693 km 476.016 km
    Perigee 472.493 km 461.728 km
    Orbit Epoch 2026-10-19T03:15:57+0000 2026-10-19T04:48:42+0000

    STARLINK-5277 & MESON-1 Collision Probability (Pc) Trend

    STARLINK-5277 & MESON-1 Collision Probability (Pc) TrendNot Available

    STARLINK-5277 & MESON-1 Miss Distance (Miss Distance) Trend

    STARLINK-5277 & MESON-1 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5277Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    MESON-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5277Collision Probability Trend

    Object 1 Probability TrendNot Available

    MESON-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5277

    No nearby objects data