Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.262226E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:29:13+0800
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    1 Object 1

    AOE ID 50203
    NORAD ID 50203
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64480
    NORAD ID 64480
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3257 STARLINK-34518
    Time of Closest Approach 2026-10-20T04:02:18+0000
    Collision Probability (Pc) 1.262226E-6
    Conjunction Distance (km) 2.818 km
    Relative Speed (km/s) 11.609 km/s
    Conjunction Risk Parameters R (Radial): -2.618 | I (In-track): -0.676 | C (Cross-track): -0.788
    Collision Risk Index (CRI) 0.37
    X Position (km) -4301.992 -4299.587
    Position Y (km) 4645.695 4644.626
    Position Z (km) -2620.597 -2619.592
    Velocity X (km/s) -2.125 -5.139
    Velocity Y (km/s) -4.987 -1.735
    Velocity Z (km/s) -5.365 5.364

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3257 STARLINK-34518
    Semimajor Axis (a) 6848.884 km 6843.171 km
    Eccentricity (e) 0.000127 0.000243
    Inclination (i) 53.1590° 53.1526°
    RAAN 300.0640° 155.4126°
    Perigee Argument 90.8249° 253.5148°
    Mean Anomaly (M) 269.2897° 106.5587°
    Apogee 471.617 km 466.699 km
    Perigee 469.877 km 463.369 km
    Orbit Epoch 2026-10-19T00:30:36+0000 2026-10-19T04:41:31+0000

    STARLINK-3257 & STARLINK-34518 Collision Probability (Pc) Trend

    STARLINK-3257 & STARLINK-34518 Collision Probability (Pc) TrendNot Available

    STARLINK-3257 & STARLINK-34518 Miss Distance (Miss Distance) Trend

    STARLINK-3257 & STARLINK-34518 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3257Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34518Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3257Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34518Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3257

    No nearby objects data