Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.428448E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:37:02+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 66287
    NORAD ID 66287
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4254 STARLINK-34884
    Time of Closest Approach 2026-10-21T02:16:30+0000
    Collision Probability (Pc) 3.428448E-6
    Conjunction Distance (km) 1.617 km
    Relative Speed (km/s) 7.74 km/s
    Conjunction Risk Parameters R (Radial): -0.403 | I (In-track): -1.345 | C (Cross-track): 0.8
    Collision Risk Index (CRI) 0.46
    X Position (km) 23.836 25.4
    Position Y (km) 4765.764 4765.479
    Position Z (km) -4915.102 -4914.808
    Velocity X (km/s) -6.556 -6.585
    Velocity Y (km/s) 2.811 -2.743
    Velocity Z (km/s) 2.695 -2.696

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4254 STARLINK-34884
    Semimajor Axis (a) 6840.880 km 6840.812 km
    Eccentricity (e) 0.000121 0.000123
    Inclination (i) 53.1579° 53.1585°
    RAAN 150.0535° 227.7841°
    Perigee Argument 91.3669° 95.6006°
    Mean Anomaly (M) 268.7472° 264.5136°
    Apogee 463.569 km 463.516 km
    Perigee 461.917 km 461.834 km
    Orbit Epoch 2026-10-19T00:31:41+0000 2026-10-19T05:26:51+0000

    STARLINK-4254 & STARLINK-34884 Collision Probability (Pc) Trend

    STARLINK-4254 & STARLINK-34884 Collision Probability (Pc) TrendNot Available

    STARLINK-4254 & STARLINK-34884 Miss Distance (Miss Distance) Trend

    STARLINK-4254 & STARLINK-34884 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4254Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34884Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4254Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34884Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4254

    No nearby objects data