Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.972076E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T15:18:54+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 66267
    NORAD ID 66267
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter LONGJIANG 3 STARLINK-35550
    Time of Closest Approach 2026-10-21T08:51:13+0000
    Collision Probability (Pc) 1.972076E-6
    Conjunction Distance (km) 2.051 km
    Relative Speed (km/s) 9.012 km/s
    Conjunction Risk Parameters R (Radial): 1.905 | I (In-track): -0.606 | C (Cross-track): 0.455
    Collision Risk Index (CRI) 0.41
    X Position (km) -1396.684 -1395.559
    Position Y (km) -5133.339 -5132.085
    Position Z (km) 4293.667 4292.499
    Velocity X (km/s) 5.52 6.485
    Velocity Y (km/s) -4.188 1.411
    Velocity Z (km/s) -3.211 3.784

    Orbital Parameters 国际轨道数据源

    Parameter LONGJIANG 3 STARLINK-35550
    Semimajor Axis (a) 6839.891 km 6840.866 km
    Eccentricity (e) 0.000747 0.000205
    Inclination (i) 49.1035° 53.1556°
    RAAN 126.2699° 226.4229°
    Perigee Argument 232.6953° 95.4525°
    Mean Anomaly (M) 127.3314° 264.6711°
    Apogee 466.865 km 464.133 km
    Perigee 456.643 km 461.325 km
    Orbit Epoch 2026-10-19T23:30:12+0000 2026-10-19T11:17:48+0000

    LONGJIANG 3 & STARLINK-35550 Collision Probability (Pc) Trend

    LONGJIANG 3 & STARLINK-35550 Collision Probability (Pc) TrendNot Available

    LONGJIANG 3 & STARLINK-35550 Miss Distance (Miss Distance) Trend

    LONGJIANG 3 & STARLINK-35550 Miss Distance (Miss Distance) TrendNot Available

    LONGJIANG 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35550Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    LONGJIANG 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35550Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with LONGJIANG 3

    No nearby objects data