Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.54074E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T10:19:12+0800
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    1 Object 1

    AOE ID 53485
    NORAD ID 53485
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53998
    NORAD ID 53998
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4430 STARLINK-5128
    Time of Closest Approach 2026-10-20T21:38:44+0000
    Collision Probability (Pc) 7.54074E-6
    Conjunction Distance (km) 1.423 km
    Relative Speed (km/s) 13.606 km/s
    Conjunction Risk Parameters R (Radial): 1.391 | I (In-track): 0.13 | C (Cross-track): -0.271
    Collision Risk Index (CRI) 0.53
    X Position (km) 3524.15 3524.61
    Position Y (km) 2840.316 2840.997
    Position Z (km) 5128.155 5129.316
    Velocity X (km/s) -3.46 -2.458
    Velocity Y (km/s) -4.667 6.907
    Velocity Z (km/s) 4.952 -2.131

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4430 STARLINK-5128
    Semimajor Axis (a) 6843.663 km 6848.834 km
    Eccentricity (e) 0.000157 0.000142
    Inclination (i) 97.2836° 53.1599°
    RAAN 44.6183° 289.2709°
    Perigee Argument 291.3628° 90.4795°
    Mean Anomaly (M) 68.7447° 269.6369°
    Apogee 466.603 km 471.668 km
    Perigee 464.449 km 469.726 km
    Orbit Epoch 2026-10-18T06:47:18+0000 2026-10-18T06:31:35+0000

    STARLINK-4430 & STARLINK-5128 Collision Probability (Pc) Trend

    STARLINK-4430 & STARLINK-5128 Collision Probability (Pc) TrendNot Available

    STARLINK-4430 & STARLINK-5128 Miss Distance (Miss Distance) Trend

    STARLINK-4430 & STARLINK-5128 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4430Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5128Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4430Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5128Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4430

    No nearby objects data