Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.00305E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T16:30:54+0800
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    1 Object 1

    AOE ID 56874
    NORAD ID 56874
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 66198
    NORAD ID 66198
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter LONGJIANG 3 STARLINK-35518
    Time of Closest Approach 2026-10-23T12:34:47+0000
    Collision Probability (Pc) 4.00305E-6
    Conjunction Distance (km) 1.679 km
    Relative Speed (km/s) 11.656 km/s
    Conjunction Risk Parameters R (Radial): -1.591 | I (In-track): -0.352 | C (Cross-track): 0.401
    Collision Risk Index (CRI) 0.47
    X Position (km) 662.899 663.583
    Position Y (km) -6603.137 -6604.613
    Position Z (km) 1647.969 1648.381
    Velocity X (km/s) 5.262 4.548
    Velocity Y (km/s) -0.839 1.92
    Velocity Z (km/s) -5.474 5.827

    Orbital Parameters 国际轨道数据源

    Parameter LONGJIANG 3 STARLINK-35518
    Semimajor Axis (a) 6839.752 km 6840.735 km
    Eccentricity (e) 0.000759 0.000140
    Inclination (i) 49.1025° 53.1530°
    RAAN 111.3061° 270.5034°
    Perigee Argument 245.2775° 106.6381°
    Mean Anomaly (M) 114.7382° 253.4776°
    Apogee 466.805 km 463.556 km
    Perigee 456.425 km 461.640 km
    Orbit Epoch 2026-10-22T21:49:01+0000 2026-10-22T08:21:59+0000

    LONGJIANG 3 & STARLINK-35518 Collision Probability (Pc) Trend

    LONGJIANG 3 & STARLINK-35518 Collision Probability (Pc) TrendNot Available

    LONGJIANG 3 & STARLINK-35518 Miss Distance (Miss Distance) Trend

    LONGJIANG 3 & STARLINK-35518 Miss Distance (Miss Distance) TrendNot Available

    LONGJIANG 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35518Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LONGJIANG 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35518Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LONGJIANG 3

    No nearby objects data