Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.338924E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T01:34:22+0800
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    1 Object 1

    AOE ID 12646
    NORAD ID 12646
    Object Type ROCKET BODY
    Country
    CIS CIS
    ← VS →

    2 Object 2

    Name HEAD-1
    AOE ID 43011
    NORAD ID 43011
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter SL-3 R/B HEAD-1
    Time of Closest Approach 2026-10-26T19:15:50+0000
    Collision Probability (Pc) 7.338924E-6
    Conjunction Distance (km) 1.462 km
    Relative Speed (km/s) 14.888 km/s
    Conjunction Risk Parameters R (Radial): -1.458 | I (In-track): 0.01 | C (Cross-track): -0.09
    Collision Risk Index (CRI) 0.52
    X Position (km) 1101.02 1101.181
    Position Y (km) 553.363 553.411
    Position Z (km) -7079.413 -7080.864
    Velocity X (km/s) -5.976 5.775
    Velocity Y (km/s) 4.426 -4.65
    Velocity Z (km/s) -0.552 0.53

    Orbital Parameters 国际轨道数据源

    Parameter SL-3 R/B HEAD-1
    Semimajor Axis (a) 7215.547 km 7173.666 km
    Eccentricity (e) 0.006626 0.001070
    Inclination (i) 81.2248° 98.9498°
    RAAN 145.2226° 321.2453°
    Perigee Argument 308.1358° 130.1404°
    Mean Anomaly (M) 95.0455° 230.0715°
    Apogee 885.222 km 803.205 km
    Perigee 789.598 km 787.853 km
    Orbit Epoch 2026-10-25T16:47:06+0000 2026-10-26T06:13:16+0000

    SL-3 R/B & HEAD-1 Collision Probability (Pc) Trend

    SL-3 R/B & HEAD-1 Collision Probability (Pc) TrendNot Available

    SL-3 R/B & HEAD-1 Miss Distance (Miss Distance) Trend

    SL-3 R/B & HEAD-1 Miss Distance (Miss Distance) TrendNot Available

    SL-3 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HEAD-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-3 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    HEAD-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-3 R/B

    No nearby objects data