Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.49243E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:23:17+0800
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    1 Object 1

    AOE ID 51997
    NORAD ID 51997
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53719
    NORAD ID 53719
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3589 STARLINK-4644
    Time of Closest Approach 2026-09-05T20:38:10+0000
    Collision Probability (Pc) 1.49243E-6
    Conjunction Distance (km) 2.537 km
    Relative Speed (km/s) 11.746 km/s
    Conjunction Risk Parameters R (Radial): -2.452 | I (In-track): -0.415 | C (Cross-track): -0.498
    Collision Risk Index (CRI) 0.38
    X Position (km) 2614.205 2615.735
    Position Y (km) -5853.804 -5855.639
    Position Z (km) 2379.565 2380.418
    Velocity X (km/s) 3.623 5.295
    Velocity Y (km/s) 3.865 0.118
    Velocity Z (km/s) 5.503 -5.502

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3589 STARLINK-4644
    Semimajor Axis (a) 6840.879 km 6843.384 km
    Eccentricity (e) 0.000110 0.000130
    Inclination (i) 53.1594° 53.1600°
    RAAN 286.1528° 143.1405°
    Perigee Argument 77.6130° 86.0615°
    Mean Anomaly (M) 282.4996° 274.0536°
    Apogee 463.496 km 466.139 km
    Perigee 461.988 km 464.355 km
    Orbit Epoch 2026-09-04T02:18:59+0000 2026-09-03T02:16:27+0000

    STARLINK-3589 & STARLINK-4644 Collision Probability (Pc) Trend

    STARLINK-3589 & STARLINK-4644 Collision Probability (Pc) TrendNot Available

    STARLINK-3589 & STARLINK-4644 Miss Distance (Miss Distance) Trend

    STARLINK-3589 & STARLINK-4644 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3589Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4644Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3589Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4644Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3589

    No nearby objects data