Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    9.678608E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T12:06:32+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53904
    NORAD ID 53904
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66156
    NORAD ID 66156
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4787 STARLINK-35621
    Time of Closest Approach 2026-09-05T02:21:47+0000
    Collision Probability (Pc) 9.678608E-6
    Conjunction Distance (km) 1.183 km
    Relative Speed (km/s) 7.833 km/s
    Conjunction Risk Parameters R (Radial): -0.928 | I (In-track): -0.624 | C (Cross-track): -0.382
    Collision Risk Index (CRI) 0.55
    X Position (km) 4770.008 4769.336
    Position Y (km) -198.029 -198.734
    Position Z (km) 4890.063 4889.393
    Velocity X (km/s) 3.076 -2.531
    Velocity Y (km/s) 6.436 6.67
    Velocity Z (km/s) -2.732 2.732

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4787 STARLINK-35621
    Semimajor Axis (a) 6840.862 km 6840.717 km
    Eccentricity (e) 0.000103 0.000177
    Inclination (i) 53.1590° 53.1583°
    RAAN 240.9885° 323.6415°
    Perigee Argument 83.5031° 106.6567°
    Mean Anomaly (M) 276.6089° 253.4630°
    Apogee 463.432 km 463.788 km
    Perigee 462.018 km 461.372 km
    Orbit Epoch 2026-09-02T06:38:16+0000 2026-09-01T15:14:41+0000

    STARLINK-4787 & STARLINK-35621 Collision Probability (Pc) Trend

    STARLINK-4787 & STARLINK-35621 Collision Probability (Pc) TrendNot Available

    STARLINK-4787 & STARLINK-35621 Miss Distance (Miss Distance) Trend

    STARLINK-4787 & STARLINK-35621 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4787Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35621Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4787Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35621Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4787

    No nearby objects data