Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.052952E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:38:05+0800
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    1 Object 1

    AOE ID 51738
    NORAD ID 51738
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64890
    NORAD ID 64890
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-3515 OBJECT Q
    Time of Closest Approach 2026-09-04T09:12:13+0000
    Collision Probability (Pc) 3.052952E-6
    Conjunction Distance (km) 1.582 km
    Relative Speed (km/s) 5.854 km/s
    Conjunction Risk Parameters R (Radial): -1.516 | I (In-track): -0.411 | C (Cross-track): 0.177
    Collision Risk Index (CRI) 0.45
    X Position (km) 5302.973 5301.807
    Position Y (km) 4160.51 4159.454
    Position Z (km) 1210.32 1210.479
    Velocity X (km/s) -2.021 1.679
    Velocity Y (km/s) 4.322 0.037
    Velocity Z (km/s) -5.958 -7.446

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3515 OBJECT Q
    Semimajor Axis (a) 6848.866 km 6846.497 km
    Eccentricity (e) 0.000134 0.000485
    Inclination (i) 53.1594° 97.4639°
    RAAN 231.1601° 216.2741°
    Perigee Argument 89.5695° 232.7148°
    Mean Anomaly (M) 270.5459° 127.3653°
    Apogee 471.645 km 471.678 km
    Perigee 469.813 km 465.042 km
    Orbit Epoch 2026-09-03T05:51:19+0000 2026-09-03T21:29:46+0000

    STARLINK-3515 & OBJECT Q Collision Probability (Pc) Trend

    STARLINK-3515 & OBJECT Q Collision Probability (Pc) TrendNot Available

    STARLINK-3515 & OBJECT Q Miss Distance (Miss Distance) Trend

    STARLINK-3515 & OBJECT Q Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3515Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT QMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3515Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT QCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3515

    No nearby objects data