Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.517819E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T07:39:27+0800
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    1 Object 1

    AOE ID 52858
    NORAD ID 52858
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69725
    NORAD ID 69725
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4198 STARLINK-38021
    Time of Closest Approach 2026-10-20T20:10:05+0000
    Collision Probability (Pc) 4.517819E-6
    Conjunction Distance (km) 1.633 km
    Relative Speed (km/s) 12.316 km/s
    Conjunction Risk Parameters R (Radial): -1.403 | I (In-track): 0.493 | C (Cross-track): 0.673
    Collision Risk Index (CRI) 0.48
    X Position (km) -3860.388 -3860.521
    Position Y (km) 1436.446 1437.087
    Position Z (km) 5455.821 5457.317
    Velocity X (km/s) -2.121 -5.027
    Velocity Y (km/s) -7.324 3.587
    Velocity Z (km/s) 0.427 -4.49

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4198 STARLINK-38021
    Semimajor Axis (a) 6843.468 km 6843.719 km
    Eccentricity (e) 0.000083 0.000139
    Inclination (i) 53.1541° 97.2867°
    RAAN 87.2803° 327.0974°
    Perigee Argument 36.5143° 93.2556°
    Mean Anomaly (M) 323.5916° 266.8845°
    Apogee 465.897 km 466.532 km
    Perigee 464.765 km 464.632 km
    Orbit Epoch 2026-10-18T11:29:05+0000 2026-10-18T01:50:46+0000

    STARLINK-4198 & STARLINK-38021 Collision Probability (Pc) Trend

    STARLINK-4198 & STARLINK-38021 Collision Probability (Pc) TrendNot Available

    STARLINK-4198 & STARLINK-38021 Miss Distance (Miss Distance) Trend

    STARLINK-4198 & STARLINK-38021 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4198Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-38021Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4198Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-38021Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4198

    No nearby objects data