Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.88574E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T07:10:58+0800
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    1 Object 1

    AOE ID 43831
    NORAD ID 43831
    Object Type PAYLOAD
    Country
    SA SA
    ← VS →

    2 Object 2

    AOE ID 45754
    NORAD ID 45754
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SAUDISAT 5A STARLINK-1477
    Time of Closest Approach 2026-10-25T03:30:50+0000
    Collision Probability (Pc) 3.88574E-6
    Conjunction Distance (km) 1.733 km
    Relative Speed (km/s) 12.873 km/s
    Conjunction Risk Parameters R (Radial): 1.731 | I (In-track): -0.049 | C (Cross-track): -0.063
    Collision Risk Index (CRI) 0.47
    X Position (km) -4160.801 -4161.885
    Position Y (km) 894.638 894.924
    Position Z (km) -5393.468 -5394.789
    Velocity X (km/s) 6.041 -2.939
    Velocity Y (km/s) 0.295 -6.929
    Velocity Z (km/s) -4.612 1.12

    Orbital Parameters 国际轨道数据源

    Parameter SAUDISAT 5A STARLINK-1477
    Semimajor Axis (a) 6856.418 km 6866.667 km
    Eccentricity (e) 0.001038 0.000206
    Inclination (i) 97.2918° 53.0222°
    RAAN 356.3931° 244.7617°
    Perigee Argument 43.9537° 44.7938°
    Mean Anomaly (M) 316.2527° 315.3225°
    Apogee 485.398 km 489.942 km
    Perigee 471.164 km 487.118 km
    Orbit Epoch 2026-10-24T07:39:21+0000 2026-10-24T05:51:07+0000

    SAUDISAT 5A & STARLINK-1477 Collision Probability (Pc) Trend

    SAUDISAT 5A & STARLINK-1477 Collision Probability (Pc) TrendNot Available

    SAUDISAT 5A & STARLINK-1477 Miss Distance (Miss Distance) Trend

    SAUDISAT 5A & STARLINK-1477 Miss Distance (Miss Distance) TrendNot Available

    SAUDISAT 5AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-1477Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SAUDISAT 5ACollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-1477Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SAUDISAT 5A

    No nearby objects data