Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.531171E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:44:39+0800
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    1 Object 1

    AOE ID 53728
    NORAD ID 53728
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64492
    NORAD ID 64492
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4640 STARLINK-34522
    Time of Closest Approach 2026-10-21T23:48:50+0000
    Collision Probability (Pc) 2.531171E-6
    Conjunction Distance (km) 1.992 km
    Relative Speed (km/s) 11.985 km/s
    Conjunction Risk Parameters R (Radial): -0.291 | I (In-track): 1.215 | C (Cross-track): 1.551
    Collision Risk Index (CRI) 0.43
    X Position (km) -4028.892 -4030.284
    Position Y (km) 5255.288 5253.867
    Position Z (km) -1727.401 -1727.321
    Velocity X (km/s) -2.836 -4.668
    Velocity Y (km/s) -4.073 -1.683
    Velocity Z (km/s) -5.8 5.8

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4640 STARLINK-34522
    Semimajor Axis (a) 6840.880 km 6840.807 km
    Eccentricity (e) 0.000124 0.000232
    Inclination (i) 53.1590° 53.1575°
    RAAN 310.0705° 152.4635°
    Perigee Argument 93.4343° 73.6909°
    Mean Anomaly (M) 266.6801° 286.4348°
    Apogee 463.592 km 464.257 km
    Perigee 461.894 km 461.083 km
    Orbit Epoch 2026-10-19T00:36:24+0000 2026-10-19T01:33:06+0000

    STARLINK-4640 & STARLINK-34522 Collision Probability (Pc) Trend

    STARLINK-4640 & STARLINK-34522 Collision Probability (Pc) TrendNot Available

    STARLINK-4640 & STARLINK-34522 Miss Distance (Miss Distance) Trend

    STARLINK-4640 & STARLINK-34522 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4640Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34522Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4640Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34522Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4640

    No nearby objects data