Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    7.542371E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T02:30:47+0800
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    1 Object 1

    AOE ID 55278
    NORAD ID 55278
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59578
    NORAD ID 59578
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5289 STARLINK-31685
    Time of Closest Approach 2026-10-31T09:36:21+0000
    Collision Probability (Pc) 7.542371E-5
    Conjunction Distance (km) 0.602 km
    Relative Speed (km/s) 6.289 km/s
    Conjunction Risk Parameters R (Radial): -0.265 | I (In-track): 0.493 | C (Cross-track): -0.218
    Collision Risk Index (CRI) 0.73
    X Position (km) -5148.004 -5147.538
    Position Y (km) -552.454 -552.824
    Position Z (km) 4493.62 4493.703
    Velocity X (km/s) 4.805 2.024
    Velocity Y (km/s) -2.958 -7.214
    Velocity Z (km/s) 5.13 1.428

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5289 STARLINK-31685
    Semimajor Axis (a) 6858.676 km 6861.203 km
    Eccentricity (e) 0.000230 0.000120
    Inclination (i) 69.9993° 42.9996°
    RAAN 171.6132° 126.3176°
    Perigee Argument 271.9568° 272.3216°
    Mean Anomaly (M) 251.4243° 174.8085°
    Apogee 482.118 km 483.888 km
    Perigee 478.960 km 482.244 km
    Orbit Epoch 2026-10-29T22:00:02+0000 2026-10-29T20:00:02+0000

    STARLINK-5289 & STARLINK-31685 Collision Probability (Pc) Trend

    STARLINK-5289 & STARLINK-31685 Collision Probability (Pc) TrendNot Available

    STARLINK-5289 & STARLINK-31685 Miss Distance (Miss Distance) Trend

    STARLINK-5289 & STARLINK-31685 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5289Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31685Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5289Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31685Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5289

    No nearby objects data