Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.005851E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T16:59:07+0800
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    1 Object 1

    AOE ID 48642
    NORAD ID 48642
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65657
    NORAD ID 65657
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2646 STARLINK-34540
    Time of Closest Approach 2026-10-21T13:54:24+0000
    Collision Probability (Pc) 3.005851E-6
    Conjunction Distance (km) 1.959 km
    Relative Speed (km/s) 14.691 km/s
    Conjunction Risk Parameters R (Radial): -1.785 | I (In-track): -0.229 | C (Cross-track): 0.77
    Collision Risk Index (CRI) 0.45
    X Position (km) 5981.262 5983.205
    Position Y (km) -2577.204 -2577.244
    Position Z (km) -2113.33 -2113.568
    Velocity X (km/s) 0.228 1.734
    Velocity Y (km/s) 5.138 -1.854
    Velocity Z (km/s) -5.638 7.194

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2646 STARLINK-34540
    Semimajor Axis (a) 6845.642 km 6843.785 km
    Eccentricity (e) 0.000134 0.000161
    Inclination (i) 53.1614° 97.2868°
    RAAN 145.5195° 333.6125°
    Perigee Argument 150.1621° 82.7136°
    Mean Anomaly (M) 209.9458° 277.4289°
    Apogee 468.425 km 466.748 km
    Perigee 466.585 km 464.548 km
    Orbit Epoch 2026-10-20T22:56:38+0000 2026-10-20T20:45:30+0000

    STARLINK-2646 & STARLINK-34540 Collision Probability (Pc) Trend

    STARLINK-2646 & STARLINK-34540 Collision Probability (Pc) TrendNot Available

    STARLINK-2646 & STARLINK-34540 Miss Distance (Miss Distance) Trend

    STARLINK-2646 & STARLINK-34540 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2646Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34540Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2646Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34540Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2646

    No nearby objects data