Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.655569E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-02T21:12:45+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 58480
    NORAD ID 58480
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63859
    NORAD ID 63859
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30984 STARLINK-33821
    Time of Closest Approach 2026-09-04T22:04:05+0000
    Collision Probability (Pc) 1.655569E-5
    Conjunction Distance (km) 0.726 km
    Relative Speed (km/s) 1.334 km/s
    Conjunction Risk Parameters R (Radial): 0.053 | I (In-track): -0.721 | C (Cross-track): -0.063
    Collision Risk Index (CRI) 0.59
    X Position (km) 3341.446 3340.878
    Position Y (km) 3774.144 3774.595
    Position Z (km) -4658.762 -4658.727
    Velocity X (km/s) -5.381 -5.981
    Velocity Y (km/s) 5.37 4.692
    Velocity Z (km/s) 0.492 -0.488

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30984 STARLINK-33821
    Semimajor Axis (a) 6861.232 km 6861.173 km
    Eccentricity (e) 0.000096 0.000069
    Inclination (i) 43.0034° 42.9997°
    RAAN 148.7273° 163.0943°
    Perigee Argument 273.5299° 260.9495°
    Mean Anomaly (M) 86.5442° 99.1279°
    Apogee 483.756 km 483.508 km
    Perigee 482.434 km 482.564 km
    Orbit Epoch 2026-09-01T19:06:43+0000 2026-09-01T20:43:50+0000

    STARLINK-30984 & STARLINK-33821 Collision Probability (Pc) Trend

    STARLINK-30984 & STARLINK-33821 Collision Probability (Pc) TrendNot Available

    STARLINK-30984 & STARLINK-33821 Miss Distance (Miss Distance) Trend

    STARLINK-30984 & STARLINK-33821 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30984Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33821Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30984Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33821Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30984

    No nearby objects data