Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    7.432226E-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 2026-09-04T09:59:19+0000
    Collision Probability (Pc) 7.432226E-6
    Conjunction Distance (km) 1.204 km
    Relative Speed (km/s) 5.846 km/s
    Conjunction Risk Parameters R (Radial): 1.194 | I (In-track): 0.143 | C (Cross-track): 0.06
    Collision Risk Index (CRI) 0.52
    X Position (km) -5308.399 -5309.32
    Position Y (km) -4165.358 -4166.131
    Position Z (km) -1187.293 -1187.352
    Velocity X (km/s) 2.046 -1.648
    Velocity Y (km/s) -4.296 -0.016
    Velocity Z (km/s) 5.964 7.447

    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