Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.49479E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T22:20:37+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53391
    NORAD ID 53391
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63947
    NORAD ID 63947
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4521 STARLINK-34034
    Time of Closest Approach 2026-10-24T20:56:16+0000
    Collision Probability (Pc) 1.49479E-6
    Conjunction Distance (km) 2.479 km
    Relative Speed (km/s) 10.998 km/s
    Conjunction Risk Parameters R (Radial): 1.94 | I (In-track): 1.061 | C (Cross-track): 1.122
    Collision Risk Index (CRI) 0.38
    X Position (km) 4248.417 4249.167
    Position Y (km) 2276.893 2278.986
    Position Z (km) -4873.226 -4874.321
    Velocity X (km/s) -5.563 2.42
    Velocity Y (km/s) 4.393 5.504
    Velocity Z (km/s) -2.799 4.683

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4521 STARLINK-34034
    Semimajor Axis (a) 6848.865 km 6852.803 km
    Eccentricity (e) 0.000132 0.000450
    Inclination (i) 53.1590° 70.0004°
    RAAN 163.9667° 52.0365°
    Perigee Argument 77.9497° 276.6928°
    Mean Anomaly (M) 282.1652° 83.3736°
    Apogee 471.634 km 477.748 km
    Perigee 469.822 km 471.584 km
    Orbit Epoch 2026-10-23T18:49:37+0000 2026-10-24T00:45:35+0000

    STARLINK-4521 & STARLINK-34034 Collision Probability (Pc) Trend

    STARLINK-4521 & STARLINK-34034 Collision Probability (Pc) TrendNot Available

    STARLINK-4521 & STARLINK-34034 Miss Distance (Miss Distance) Trend

    STARLINK-4521 & STARLINK-34034 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4521Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34034Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4521Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34034Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4521

    No nearby objects data