Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.349238E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-09T16:38:04+0800
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    1 Object 1

    AOE ID 53422
    NORAD ID 53422
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63217
    NORAD ID 63217
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-4546 OBJECT H
    Time of Closest Approach 2026-09-09T09:34:29+0000
    Collision Probability (Pc) 1.349238E-6
    Conjunction Distance (km) 2.941 km
    Relative Speed (km/s) 14.367 km/s
    Conjunction Risk Parameters R (Radial): 2.894 | I (In-track): -0.181 | C (Cross-track): 0.488
    Collision Risk Index (CRI) 0.38
    X Position (km) -4316.692 -4315.013
    Position Y (km) 3281.79 3279.947
    Position Z (km) 4161.607 4160.05
    Velocity X (km/s) -5.923 4.41
    Velocity Y (km/s) -2.75 -1.799
    Velocity Z (km/s) -3.963 5.972

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4546 OBJECT H
    Semimajor Axis (a) 6840.854 km 6834.752 km
    Eccentricity (e) 0.000125 0.000319
    Inclination (i) 53.1612° 97.3753°
    RAAN 1.6453° 147.7413°
    Perigee Argument 81.3116° 143.6305°
    Mean Anomaly (M) 278.8027° 216.5156°
    Apogee 463.570 km 458.794 km
    Perigee 461.864 km 454.436 km
    Orbit Epoch 2026-09-08T14:15:01+0000 2026-09-08T16:13:02+0000

    STARLINK-4546 & OBJECT H Collision Probability (Pc) Trend

    STARLINK-4546 & OBJECT H Collision Probability (Pc) TrendNot Available

    STARLINK-4546 & OBJECT H Miss Distance (Miss Distance) Trend

    STARLINK-4546 & OBJECT H Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4546Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT HMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4546Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT HCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4546

    No nearby objects data