Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.900305E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:09:41+0800
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    1 Object 1

    AOE ID 51756
    NORAD ID 51756
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59380
    NORAD ID 59380
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3513 STARLINK-31680
    Time of Closest Approach 2026-10-19T21:49:59+0000
    Collision Probability (Pc) 8.900305E-7
    Conjunction Distance (km) 2.978 km
    Relative Speed (km/s) 7.052 km/s
    Conjunction Risk Parameters R (Radial): -2.232 | I (In-track): -1.747 | C (Cross-track): -0.909
    Collision Risk Index (CRI) 0.34
    X Position (km) -2504.822 -2505.663
    Position Y (km) -3896.739 -3894.404
    Position Z (km) -5044.427 -5042.782
    Velocity X (km/s) 7.09 4.282
    Velocity Y (km/s) -1.472 -5.841
    Velocity Z (km/s) -2.385 2.385

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3513 STARLINK-31680
    Semimajor Axis (a) 6843.361 km 6840.873 km
    Eccentricity (e) 0.000107 0.000149
    Inclination (i) 53.1629° 53.1587°
    RAAN 5.8012° 296.1805°
    Perigee Argument 84.3270° 89.8862°
    Mean Anomaly (M) 275.7854° 270.2312°
    Apogee 465.957 km 463.759 km
    Perigee 464.491 km 461.713 km
    Orbit Epoch 2026-10-19T05:07:11+0000 2026-10-19T00:14:20+0000

    STARLINK-3513 & STARLINK-31680 Collision Probability (Pc) Trend

    STARLINK-3513 & STARLINK-31680 Collision Probability (Pc) TrendNot Available

    STARLINK-3513 & STARLINK-31680 Miss Distance (Miss Distance) Trend

    STARLINK-3513 & STARLINK-31680 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3513Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31680Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3513Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31680Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3513

    No nearby objects data