Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.683016E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:42:31+0800
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    1 Object 1

    AOE ID 52999
    NORAD ID 52999
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66267
    NORAD ID 66267
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4217 STARLINK-35550
    Time of Closest Approach 2026-10-21T09:41:15+0000
    Collision Probability (Pc) 1.683016E-6
    Conjunction Distance (km) 2.108 km
    Relative Speed (km/s) 7.723 km/s
    Conjunction Risk Parameters R (Radial): -0.098 | I (In-track): 1.818 | C (Cross-track): -1.062
    Collision Risk Index (CRI) 0.4
    X Position (km) 155.233 153.127
    Position Y (km) 4759.098 4759.101
    Position Z (km) -4919.306 -4919.232
    Velocity X (km/s) -6.482 -6.662
    Velocity Y (km/s) 2.986 -2.559
    Velocity Z (km/s) 2.686 -2.686

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4217 STARLINK-35550
    Semimajor Axis (a) 6840.883 km 6840.866 km
    Eccentricity (e) 0.000131 0.000205
    Inclination (i) 53.1590° 53.1556°
    RAAN 148.5902° 226.4229°
    Perigee Argument 95.7431° 95.4525°
    Mean Anomaly (M) 264.3720° 264.6711°
    Apogee 463.641 km 464.133 km
    Perigee 461.851 km 461.325 km
    Orbit Epoch 2026-10-19T07:56:28+0000 2026-10-19T11:17:48+0000

    STARLINK-4217 & STARLINK-35550 Collision Probability (Pc) Trend

    STARLINK-4217 & STARLINK-35550 Collision Probability (Pc) TrendNot Available

    STARLINK-4217 & STARLINK-35550 Miss Distance (Miss Distance) Trend

    STARLINK-4217 & STARLINK-35550 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4217Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35550Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4217Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35550Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4217

    No nearby objects data