Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.355541E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:08:05+0800
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    1 Object 1

    AOE ID 53257
    NORAD ID 53257
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69991
    NORAD ID 69991
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4144 STARLINK-38042
    Time of Closest Approach 2026-10-21T12:21:54+0000
    Collision Probability (Pc) 1.355541E-6
    Conjunction Distance (km) 2.779 km
    Relative Speed (km/s) 12.717 km/s
    Conjunction Risk Parameters R (Radial): -2.639 | I (In-track): 0.481 | C (Cross-track): 0.724
    Collision Risk Index (CRI) 0.38
    X Position (km) -3451.383 -3450.803
    Position Y (km) 2377.447 2376.305
    Position Z (km) -5423.701 -5421.235
    Velocity X (km/s) -3.28 -3.96
    Velocity Y (km/s) -6.818 4.645
    Velocity Z (km/s) -0.902 4.56

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4144 STARLINK-38042
    Semimajor Axis (a) 6848.813 km 6843.663 km
    Eccentricity (e) 0.000084 0.000211
    Inclination (i) 53.1567° 97.2837°
    RAAN 255.1178° 134.9666°
    Perigee Argument 91.0365° 90.5943°
    Mean Anomaly (M) 269.0733° 269.5541°
    Apogee 471.255 km 466.968 km
    Perigee 470.097 km 464.084 km
    Orbit Epoch 2026-10-20T07:02:25+0000 2026-10-20T13:06:15+0000

    STARLINK-4144 & STARLINK-38042 Collision Probability (Pc) Trend

    STARLINK-4144 & STARLINK-38042 Collision Probability (Pc) TrendNot Available

    STARLINK-4144 & STARLINK-38042 Miss Distance (Miss Distance) Trend

    STARLINK-4144 & STARLINK-38042 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4144Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-38042Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4144Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-38042Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4144

    No nearby objects data