Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.641656E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:28:52+0800
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    1 Object 1

    AOE ID 53180
    NORAD ID 53180
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65917
    NORAD ID 65917
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4258 STARLINK-35478
    Time of Closest Approach 2026-10-21T10:32:21+0000
    Collision Probability (Pc) 2.641656E-6
    Conjunction Distance (km) 1.355 km
    Relative Speed (km/s) 2.115 km/s
    Conjunction Risk Parameters R (Radial): -1.311 | I (In-track): -0.334 | C (Cross-track): -0.047
    Collision Risk Index (CRI) 0.43
    X Position (km) 236.202 235.82
    Position Y (km) -4133.547 -4132.774
    Position Z (km) 5438.826 5437.782
    Velocity X (km/s) 7.6 7.504
    Velocity Y (km/s) -0.409 1.272
    Velocity Z (km/s) -0.64 0.639

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4258 STARLINK-35478
    Semimajor Axis (a) 6843.369 km 6840.829 km
    Eccentricity (e) 0.000127 0.000158
    Inclination (i) 53.1579° 53.1574°
    RAAN 184.3474° 203.9537°
    Perigee Argument 94.3574° 204.0525°
    Mean Anomaly (M) 265.7574° 156.0404°
    Apogee 466.104 km 463.776 km
    Perigee 464.360 km 461.608 km
    Orbit Epoch 2026-10-19T01:48:52+0000 2026-10-19T03:27:47+0000

    STARLINK-4258 & STARLINK-35478 Collision Probability (Pc) Trend

    STARLINK-4258 & STARLINK-35478 Collision Probability (Pc) TrendNot Available

    STARLINK-4258 & STARLINK-35478 Miss Distance (Miss Distance) Trend

    STARLINK-4258 & STARLINK-35478 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4258Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35478Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4258Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35478Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4258

    No nearby objects data