Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.270021E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T15:43:23+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 58863
    NORAD ID 58863
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SAUDISAT 5A STARLINK-31149
    Time of Closest Approach 2026-10-18T08:33:15+0000
    Collision Probability (Pc) 1.270021E-6
    Conjunction Distance (km) 2.71 km
    Relative Speed (km/s) 10.664 km/s
    Conjunction Risk Parameters R (Radial): 1.186 | I (In-track): 1.732 | C (Cross-track): 1.714
    Collision Risk Index (CRI) 0.37
    X Position (km) 5109.786 5107.494
    Position Y (km) -256.39 -257.652
    Position Z (km) -4577.568 -4578.275
    Velocity X (km/s) 4.924 1.338
    Velocity Y (km/s) -1.545 7.422
    Velocity Z (km/s) 5.598 1.076

    Orbital Parameters 国际轨道数据源

    Parameter SAUDISAT 5A STARLINK-31149
    Semimajor Axis (a) 6856.608 km 6861.205 km
    Eccentricity (e) 0.001081 0.000090
    Inclination (i) 97.2918° 43.0020°
    RAAN 350.1716° 76.4444°
    Perigee Argument 63.7238° 272.5498°
    Mean Anomaly (M) 296.5111° 87.5251°
    Apogee 485.881 km 483.685 km
    Perigee 471.061 km 482.451 km
    Orbit Epoch 2026-10-17T23:18:55+0000 2026-10-17T09:21:20+0000

    SAUDISAT 5A & STARLINK-31149 Collision Probability (Pc) Trend

    SAUDISAT 5A & STARLINK-31149 Collision Probability (Pc) TrendNot Available

    SAUDISAT 5A & STARLINK-31149 Miss Distance (Miss Distance) Trend

    SAUDISAT 5A & STARLINK-31149 Miss Distance (Miss Distance) TrendNot Available

    SAUDISAT 5AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31149Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SAUDISAT 5ACollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31149Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SAUDISAT 5A

    No nearby objects data