Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.072833E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T12:46:21+0800
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    1 Object 1

    AOE ID 28415
    NORAD ID 28415
    Object Type ROCKET BODY
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 48397
    NORAD ID 48397
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B R/B STARLINK-2590
    Time of Closest Approach 2026-10-22T03:35:17+0000
    Collision Probability (Pc) 9.072833E-6
    Conjunction Distance (km) 1.173 km
    Relative Speed (km/s) 6.834 km/s
    Conjunction Risk Parameters R (Radial): 1.164 | I (In-track): 0.124 | C (Cross-track): -0.07
    Collision Risk Index (CRI) 0.54
    X Position (km) 5130.783 5131.74
    Position Y (km) -2800.538 -2801.002
    Position Z (km) -3576.186 -3576.68
    Velocity X (km/s) 2.921 5.049
    Velocity Y (km/s) -2.892 3.349
    Velocity Z (km/s) 6.422 4.628

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B R/B STARLINK-2590
    Semimajor Axis (a) 6847.445 km 6848.608 km
    Eccentricity (e) 0.002795 0.000234
    Inclination (i) 97.3268° 53.1606°
    RAAN 324.2789° 8.9713°
    Perigee Argument 250.3594° 105.9052°
    Mean Anomaly (M) 109.4630° 254.2208°
    Apogee 488.448 km 472.077 km
    Perigee 450.168 km 468.865 km
    Orbit Epoch 2026-10-19T13:01:52+0000 2026-10-19T22:31:34+0000

    CZ-4B R/B & STARLINK-2590 Collision Probability (Pc) Trend

    CZ-4B R/B & STARLINK-2590 Collision Probability (Pc) TrendNot Available

    CZ-4B R/B & STARLINK-2590 Miss Distance (Miss Distance) Trend

    CZ-4B R/B & STARLINK-2590 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-2590Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2590Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B R/B

    No nearby objects data