Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.979189E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:36:59+0800
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    1 Object 1

    AOE ID 52998
    NORAD ID 52998
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66633
    NORAD ID 66633
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4254 STARLINK-35948
    Time of Closest Approach 2026-10-21T07:40:03+0000
    Collision Probability (Pc) 9.979189E-6
    Conjunction Distance (km) 0.96 km
    Relative Speed (km/s) 2.815 km/s
    Conjunction Risk Parameters R (Radial): -0.956 | I (In-track): 0.075 | C (Cross-track): 0.014
    Collision Risk Index (CRI) 0.55
    X Position (km) -1917.918 -1917.583
    Position Y (km) -3703.165 -3702.682
    Position Z (km) 5412.764 5412.006
    Velocity X (km/s) 6.154 7.181
    Velocity Y (km/s) -4.444 -2.462
    Velocity Z (km/s) -0.858 0.857

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4254 STARLINK-35948
    Semimajor Axis (a) 6840.880 km 6840.800 km
    Eccentricity (e) 0.000121 0.000126
    Inclination (i) 53.1579° 53.1568°
    RAAN 150.0535° 185.4877°
    Perigee Argument 91.3669° 98.0891°
    Mean Anomaly (M) 268.7472° 262.0254°
    Apogee 463.569 km 463.524 km
    Perigee 461.917 km 461.802 km
    Orbit Epoch 2026-10-19T00:31:41+0000 2026-10-17T03:16:33+0000

    STARLINK-4254 & STARLINK-35948 Collision Probability (Pc) Trend

    STARLINK-4254 & STARLINK-35948 Collision Probability (Pc) TrendNot Available

    STARLINK-4254 & STARLINK-35948 Miss Distance (Miss Distance) Trend

    STARLINK-4254 & STARLINK-35948 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4254Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35948Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4254Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35948Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4254

    No nearby objects data