Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.004247E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:12:17+0800
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    1 Object 1

    AOE ID 57176
    NORAD ID 57176
    Object Type UNKNOWN
    Country
    TBD TBD
    VS

    2 Object 2

    AOE ID 57253
    NORAD ID 57253
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT L STARLINK-5516
    Time of Closest Approach 2026-09-03T17:28:51+0000
    Collision Probability (Pc) 2.004247E-6
    Conjunction Distance (km) 2.285 km
    Relative Speed (km/s) 13.773 km/s
    Conjunction Risk Parameters R (Radial): -0.12 | I (In-track): 0.97 | C (Cross-track): -2.064
    Collision Risk Index (CRI) 0.41
    X Position (km) 4201.819 4203.542
    Position Y (km) -4038.617 -4037.65
    Position Z (km) -3625.419 -3624.272
    Velocity X (km/s) 2.055 3.072
    Velocity Y (km/s) -3.597 6.149
    Velocity Z (km/s) 6.388 -3.29

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT L STARLINK-5516
    Semimajor Axis (a) 6850.934 km 6861.236 km
    Eccentricity (e) 0.001089 0.000092
    Inclination (i) 97.4983° 43.0028°
    RAAN 310.2517° 104.1423°
    Perigee Argument 180.1154° 248.8515°
    Mean Anomaly (M) 180.0087° 111.2239°
    Apogee 480.262 km 483.729 km
    Perigee 465.332 km 482.469 km
    Orbit Epoch 2026-09-02T13:23:13+0000 2026-09-01T23:40:27+0000

    OBJECT L & STARLINK-5516 Collision Probability (Pc) Trend

    OBJECT L & STARLINK-5516 Collision Probability (Pc) TrendNot Available

    OBJECT L & STARLINK-5516 Miss Distance (Miss Distance) Trend

    OBJECT L & STARLINK-5516 Miss Distance (Miss Distance) TrendNot Available

    OBJECT LMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5516Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT LCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5516Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT L

    No nearby objects data