Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.199685E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T12:51:36+0800
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    1 Object 1

    AOE ID 52548
    NORAD ID 52548
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54778
    NORAD ID 54778
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3931 STARLINK-5450
    Time of Closest Approach 2026-10-31T16:18:57+0000
    Collision Probability (Pc) 1.199685E-6
    Conjunction Distance (km) 2.693 km
    Relative Speed (km/s) 9.501 km/s
    Conjunction Risk Parameters R (Radial): -2.692 | I (In-track): -0.01 | C (Cross-track): -0.018
    Collision Risk Index (CRI) 0.37
    X Position (km) 5142.765 5140.734
    Position Y (km) -1053.824 -1053.428
    Position Z (km) -4398.353 -4396.631
    Velocity X (km/s) -1.789 4.185
    Velocity Y (km/s) 6.456 5.233
    Velocity Z (km/s) -3.642 3.643

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3931 STARLINK-5450
    Semimajor Axis (a) 6843.356 km 6840.884 km
    Eccentricity (e) 0.000179 0.000123
    Inclination (i) 53.1602° 53.1623°
    RAAN 140.6607° 35.8112°
    Perigee Argument 89.4026° 86.6610°
    Mean Anomaly (M) 270.7182° 273.4534°
    Apogee 466.448 km 463.590 km
    Perigee 463.990 km 461.904 km
    Orbit Epoch 2026-10-29T06:59:41+0000 2026-10-29T20:46:36+0000

    STARLINK-3931 & STARLINK-5450 Collision Probability (Pc) Trend

    STARLINK-3931 & STARLINK-5450 Collision Probability (Pc) TrendNot Available

    STARLINK-3931 & STARLINK-5450 Miss Distance (Miss Distance) Trend

    STARLINK-3931 & STARLINK-5450 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3931Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5450Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3931Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5450Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3931

    No nearby objects data