Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.592896E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:50:51+0800
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    1 Object 1

    AOE ID 55639
    NORAD ID 55639
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 61743
    NORAD ID 61743
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-5508 OBJECT J
    Time of Closest Approach 2026-09-12T15:16:22+0000
    Collision Probability (Pc) 1.592896E-6
    Conjunction Distance (km) 1.85 km
    Relative Speed (km/s) 4.157 km/s
    Conjunction Risk Parameters R (Radial): 0.467 | I (In-track): -1.719 | C (Cross-track): 0.494
    Collision Risk Index (CRI) 0.39
    X Position (km) 478.11 477.773
    Position Y (km) 5974.824 5973.547
    Position Z (km) 3516.327 3517.621
    Velocity X (km/s) -3.275 0.812
    Velocity Y (km/s) -3.275 -3.884
    Velocity Z (km/s) 5.994 6.453

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5508 OBJECT J
    Semimajor Axis (a) 6950.201 km 6950.449 km
    Eccentricity (e) 0.000255 0.000790
    Inclination (i) 69.9993° 97.3196°
    RAAN 77.3085° 88.4958°
    Perigee Argument 263.4625° 123.9381°
    Mean Anomaly (M) 96.6243° 236.2594°
    Apogee 573.839 km 577.803 km
    Perigee 570.289 km 566.821 km
    Orbit Epoch 2026-09-10T23:04:19+0000 2026-09-11T07:04:44+0000

    STARLINK-5508 & OBJECT J Collision Probability (Pc) Trend

    STARLINK-5508 & OBJECT J Collision Probability (Pc) TrendNot Available

    STARLINK-5508 & OBJECT J Miss Distance (Miss Distance) Trend

    STARLINK-5508 & OBJECT J Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5508Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT JMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5508Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT JCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5508

    No nearby objects data