Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    9.99616E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T23:42:19+0800
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    1 Object 1

    AOE ID 51121
    NORAD ID 51121
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66190
    NORAD ID 66190
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3399 STARLINK-34863
    Time of Closest Approach 2026-10-30T16:16:23+0000
    Collision Probability (Pc) 9.99616E-5
    Conjunction Distance (km) 0.572 km
    Relative Speed (km/s) 7.885 km/s
    Conjunction Risk Parameters R (Radial): 0.551 | I (In-track): -0.127 | C (Cross-track): -0.085
    Collision Risk Index (CRI) 0.75
    X Position (km) -4794.739 -4795.12
    Position Y (km) -34.024 -33.873
    Position Z (km) -4883.574 -4883.972
    Velocity X (km/s) 2.858 -2.767
    Velocity Y (km/s) -6.509 -6.549
    Velocity Z (km/s) -2.763 2.763

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3399 STARLINK-34863
    Semimajor Axis (a) 6840.358 km 6840.804 km
    Eccentricity (e) 0.000153 0.000049
    Inclination (i) 53.1592° 53.1616°
    RAAN 323.5456° 244.7495°
    Perigee Argument 68.5080° 251.7422°
    Mean Anomaly (M) 27.7104° 108.3527°
    Apogee 463.270 km 463.005 km
    Perigee 461.172 km 462.329 km
    Orbit Epoch 2026-10-27T22:00:02+0000 2026-10-27T13:31:01+0000

    STARLINK-3399 & STARLINK-34863 Collision Probability (Pc) Trend

    STARLINK-3399 & STARLINK-34863 Collision Probability (Pc) TrendNot Available

    STARLINK-3399 & STARLINK-34863 Miss Distance (Miss Distance) Trend

    STARLINK-3399 & STARLINK-34863 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3399Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34863Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3399Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34863Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3399

    No nearby objects data