Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.170646E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:53:04+0800
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    1 Object 1

    AOE ID 52634
    NORAD ID 52634
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52842
    NORAD ID 52842
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3974 STARLINK-4046
    Time of Closest Approach 2026-10-22T04:19:30+0000
    Collision Probability (Pc) 1.170646E-6
    Conjunction Distance (km) 2.9 km
    Relative Speed (km/s) 10.873 km/s
    Conjunction Risk Parameters R (Radial): -2.847 | I (In-track): 0.377 | C (Cross-track): -0.402
    Collision Risk Index (CRI) 0.36
    X Position (km) -1714.243 -1714.428
    Position Y (km) 5573.264 5575.741
    Position Z (km) 3562.943 3564.44
    Velocity X (km/s) -5.967 -4.296
    Velocity Y (km/s) 1.138 -4.294
    Velocity Z (km/s) -4.635 4.634

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3974 STARLINK-4046
    Semimajor Axis (a) 6837.875 km 6840.881 km
    Eccentricity (e) 0.000123 0.000198
    Inclination (i) 53.1599° 53.1574°
    RAAN 325.4543° 92.3465°
    Perigee Argument 93.2775° 85.4803°
    Mean Anomaly (M) 266.8369° 274.6426°
    Apogee 460.582 km 464.099 km
    Perigee 458.894 km 461.389 km
    Orbit Epoch 2026-10-19T19:28:52+0000 2026-10-19T12:03:18+0000

    STARLINK-3974 & STARLINK-4046 Collision Probability (Pc) Trend

    STARLINK-3974 & STARLINK-4046 Collision Probability (Pc) TrendNot Available

    STARLINK-3974 & STARLINK-4046 Miss Distance (Miss Distance) Trend

    STARLINK-3974 & STARLINK-4046 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3974Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4046Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3974Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4046Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3974

    No nearby objects data