Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.12129E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:12:10+0800
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    1 Object 1

    AOE ID 33410
    NORAD ID 33410
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 44723
    NORAD ID 44723
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-1017
    Time of Closest Approach 2026-10-22T01:42:15+0000
    Collision Probability (Pc) 7.12129E-6
    Conjunction Distance (km) 1.473 km
    Relative Speed (km/s) 14.815 km/s
    Conjunction Risk Parameters R (Radial): -1.387 | I (In-track): -0.115 | C (Cross-track): -0.481
    Collision Risk Index (CRI) 0.52
    X Position (km) -6714.766 -6713.477
    Position Y (km) -742.292 -741.685
    Position Z (km) -954.127 -953.754
    Velocity X (km/s) 0.92 -0.325
    Velocity Y (km/s) 1.155 -4.705
    Velocity Z (km/s) -7.532 6.018

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-1017
    Semimajor Axis (a) 6873.880 km 6818.578 km
    Eccentricity (e) 0.008269 0.000615
    Inclination (i) 97.7669° 53.0389°
    RAAN 5.4065° 201.6238°
    Perigee Argument 180.6038° 98.0003°
    Mean Anomaly (M) 179.5113° 262.1699°
    Apogee 552.586 km 444.632 km
    Perigee 438.900 km 436.250 km
    Orbit Epoch 2026-10-20T03:09:54+0000 2026-10-20T03:05:01+0000

    CZ-4B R/B & STARLINK-1017 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-1017 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-1017 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-1017 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-1017Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-1017Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data