Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.073189E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:16:09+0800
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    1 Object 1

    AOE ID 45368
    NORAD ID 45368
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58562
    NORAD ID 58562
    Object Type PAYLOAD
    Country
    ES ES

    Conjunction Constraints

    Parameter STARLINK-1276 ALISIO-1
    Time of Closest Approach 2026-10-21T07:26:17+0000
    Collision Probability (Pc) 4.073189E-6
    Conjunction Distance (km) 1.743 km
    Relative Speed (km/s) 14.188 km/s
    Conjunction Risk Parameters R (Radial): 1.742 | I (In-track): -0.01 | C (Cross-track): 0.063
    Collision Risk Index (CRI) 0.47
    X Position (km) -5257.868 -5259.225
    Position Y (km) -48.293 -48.258
    Position Z (km) -4455.713 -4456.806
    Velocity X (km/s) -2.969 4.827
    Velocity Y (km/s) -6.015 1.349
    Velocity Z (km/s) 3.574 -5.715

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1276 ALISIO-1
    Semimajor Axis (a) 6886.166 km 6890.666 km
    Eccentricity (e) 0.000295 0.000498
    Inclination (i) 53.0649° 97.5261°
    RAAN 225.2082° 6.1316°
    Perigee Argument 84.8929° 231.0339°
    Mean Anomaly (M) 275.2403° 129.0451°
    Apogee 510.060 km 515.962 km
    Perigee 505.998 km 509.096 km
    Orbit Epoch 2026-10-20T04:50:08+0000 2026-10-20T11:28:55+0000

    STARLINK-1276 & ALISIO-1 Collision Probability (Pc) Trend

    STARLINK-1276 & ALISIO-1 Collision Probability (Pc) TrendNot Available

    STARLINK-1276 & ALISIO-1 Miss Distance (Miss Distance) Trend

    STARLINK-1276 & ALISIO-1 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1276Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ALISIO-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1276Collision Probability Trend

    Object 1 Probability TrendNot Available

    ALISIO-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1276

    No nearby objects data