Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.733075E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:03:27+0800
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    1 Object 1

    AOE ID 47760
    NORAD ID 47760
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53498
    NORAD ID 53498
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2178 STARLINK-4439
    Time of Closest Approach 2026-10-21T08:54:33+0000
    Collision Probability (Pc) 3.733075E-6
    Conjunction Distance (km) 1.809 km
    Relative Speed (km/s) 14.647 km/s
    Conjunction Risk Parameters R (Radial): -1.347 | I (In-track): 0.347 | C (Cross-track): -1.155
    Collision Risk Index (CRI) 0.46
    X Position (km) -4199.29 -4197.515
    Position Y (km) -4754.935 -4754.595
    Position Z (km) -2586.401 -2586.34
    Velocity X (km/s) 2.251 1.102
    Velocity Y (km/s) -4.91 2.826
    Velocity Z (km/s) 5.385 -6.999

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2178 STARLINK-4439
    Semimajor Axis (a) 6847.155 km 6843.704 km
    Eccentricity (e) 0.000136 0.000115
    Inclination (i) 53.1583° 97.2862°
    RAAN 256.0555° 49.5213°
    Perigee Argument 88.9187° 101.4770°
    Mean Anomaly (M) 271.1970° 258.6602°
    Apogee 469.950 km 466.354 km
    Perigee 468.086 km 464.780 km
    Orbit Epoch 2026-10-19T06:56:21+0000 2026-10-19T07:28:48+0000

    STARLINK-2178 & STARLINK-4439 Collision Probability (Pc) Trend

    STARLINK-2178 & STARLINK-4439 Collision Probability (Pc) TrendNot Available

    STARLINK-2178 & STARLINK-4439 Miss Distance (Miss Distance) Trend

    STARLINK-2178 & STARLINK-4439 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2178Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4439Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2178Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4439Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2178

    No nearby objects data