Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.720455E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T08:33:55+0800
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    1 Object 1

    AOE ID 55302
    NORAD ID 55302
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 61758
    NORAD ID 61758
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-5321 OBJECT Z
    Time of Closest Approach 2026-09-13T15:13:05+0000
    Collision Probability (Pc) 1.720455E-6
    Conjunction Distance (km) 2.544 km
    Relative Speed (km/s) 15.058 km/s
    Conjunction Risk Parameters R (Radial): -2.062 | I (In-track): -0.16 | C (Cross-track): 1.48
    Collision Risk Index (CRI) 0.4
    X Position (km) 109.175 107.698
    Position Y (km) -6950.459 -6948.413
    Position Z (km) 137.364 137.678
    Velocity X (km/s) 2.587 -0.962
    Velocity Y (km/s) 0.186 -0.176
    Velocity Z (km/s) 7.116 -7.513

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5321 OBJECT Z
    Semimajor Axis (a) 6950.185 km 6950.270 km
    Eccentricity (e) 0.000358 0.000666
    Inclination (i) 69.9979° 97.3184°
    RAAN 275.8725° 89.0195°
    Perigee Argument 269.5688° 128.3981°
    Mean Anomaly (M) 90.5061° 231.7842°
    Apogee 574.536 km 576.761 km
    Perigee 569.560 km 567.505 km
    Orbit Epoch 2026-09-11T11:56:29+0000 2026-09-11T19:08:52+0000

    STARLINK-5321 & OBJECT Z Collision Probability (Pc) Trend

    STARLINK-5321 & OBJECT Z Collision Probability (Pc) TrendNot Available

    STARLINK-5321 & OBJECT Z Miss Distance (Miss Distance) Trend

    STARLINK-5321 & OBJECT Z Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5321Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT ZMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5321Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ZCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5321

    No nearby objects data