Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.268666E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T15:59:41+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 58540
    NORAD ID 58540
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter LONGJIANG 3 STARLINK-31019
    Time of Closest Approach 2026-10-19T06:42:17+0000
    Collision Probability (Pc) 7.268666E-7
    Conjunction Distance (km) 2.517 km
    Relative Speed (km/s) 3.175 km/s
    Conjunction Risk Parameters R (Radial): 1.813 | I (In-track): 1.706 | C (Cross-track): 0.37
    Collision Risk Index (CRI) 0.32
    X Position (km) -3458.114 -3458.08
    Position Y (km) -2844.768 -2842.527
    Position Z (km) 5166.324 5165.181
    Velocity X (km/s) 4.876 2.649
    Velocity Y (km/s) -5.875 -6.877
    Velocity Z (km/s) 0.024 -2.006

    Orbital Parameters 国际轨道数据源

    Parameter LONGJIANG 3 STARLINK-31019
    Semimajor Axis (a) 6839.983 km 6840.873 km
    Eccentricity (e) 0.000749 0.000107
    Inclination (i) 49.1039° 53.1591°
    RAAN 136.5785° 107.6299°
    Perigee Argument 224.3237° 294.0756°
    Mean Anomaly (M) 135.7110° 66.0135°
    Apogee 466.972 km 463.466 km
    Perigee 456.720 km 462.006 km
    Orbit Epoch 2026-10-17T23:03:51+0000 2026-10-17T12:01:23+0000

    LONGJIANG 3 & STARLINK-31019 Collision Probability (Pc) Trend

    LONGJIANG 3 & STARLINK-31019 Collision Probability (Pc) TrendNot Available

    LONGJIANG 3 & STARLINK-31019 Miss Distance (Miss Distance) Trend

    LONGJIANG 3 & STARLINK-31019 Miss Distance (Miss Distance) TrendNot Available

    LONGJIANG 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31019Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LONGJIANG 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31019Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LONGJIANG 3

    No nearby objects data