Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.803745E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T17:25:48+0800
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    1 Object 1

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

    2 Object 2

    Name NAHLA
    AOE ID 66764
    NORAD ID 66764
    Object Type PAYLOAD
    Country
    BE BE

    Conjunction Constraints

    Parameter STARLINK-5289 NAHLA
    Time of Closest Approach 2026-10-23T16:27:45+0000
    Collision Probability (Pc) 3.803745E-6
    Conjunction Distance (km) 1.81 km
    Relative Speed (km/s) 15.125 km/s
    Conjunction Risk Parameters R (Radial): 1.304 | I (In-track): 0.133 | C (Cross-track): -1.248
    Collision Risk Index (CRI) 0.47
    X Position (km) 6828.243 6827.118
    Position Y (km) 920.231 918.848
    Position Z (km) 98.877 98.566
    Velocity X (km/s) -0.24 0.016
    Velocity Y (km/s) 2.592 -0.987
    Velocity Z (km/s) -7.149 7.544

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5289 NAHLA
    Semimajor Axis (a) 6888.844 km 6885.731 km
    Eccentricity (e) 0.000303 0.000137
    Inclination (i) 69.9995° 97.4086°
    RAAN 195.1739° 4.9289°
    Perigee Argument 259.5581° 232.1599°
    Mean Anomaly (M) 266.5584° 127.9512°
    Apogee 512.796 km 508.537 km
    Perigee 508.618 km 506.651 km
    Orbit Epoch 2026-10-20T22:00:02+0000 2026-10-20T18:54:53+0000

    STARLINK-5289 & NAHLA Collision Probability (Pc) Trend

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

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

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

    STARLINK-5289Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NAHLAMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5289Collision Probability Trend

    Object 1 Probability TrendNot Available

    NAHLACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5289

    No nearby objects data