Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.236227E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T11:41:02+0800
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    1 Object 1

    AOE ID 53604
    NORAD ID 53604
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66287
    NORAD ID 66287
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4690 STARLINK-34884
    Time of Closest Approach 2026-10-21T09:31:28+0000
    Collision Probability (Pc) 8.236227E-6
    Conjunction Distance (km) 1.217 km
    Relative Speed (km/s) 7.149 km/s
    Conjunction Risk Parameters R (Radial): 0.344 | I (In-track): 1.03 | C (Cross-track): 0.551
    Collision Risk Index (CRI) 0.53
    X Position (km) 4444.401 4443.848
    Position Y (km) -1324.187 -1325.24
    Position Z (km) 5019.345 5019.09
    Velocity X (km/s) -0.591 4.448
    Velocity Y (km/s) 7.221 5.719
    Velocity Z (km/s) 2.422 -2.422

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4690 STARLINK-34884
    Semimajor Axis (a) 6840.880 km 6840.812 km
    Eccentricity (e) 0.000115 0.000123
    Inclination (i) 53.1594° 53.1585°
    RAAN 298.9724° 227.7841°
    Perigee Argument 83.3194° 95.6006°
    Mean Anomaly (M) 276.7939° 264.5136°
    Apogee 463.530 km 463.516 km
    Perigee 461.956 km 461.834 km
    Orbit Epoch 2026-10-19T07:12:41+0000 2026-10-19T05:26:51+0000

    STARLINK-4690 & STARLINK-34884 Collision Probability (Pc) Trend

    STARLINK-4690 & STARLINK-34884 Collision Probability (Pc) TrendNot Available

    STARLINK-4690 & STARLINK-34884 Miss Distance (Miss Distance) Trend

    STARLINK-4690 & STARLINK-34884 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4690Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34884Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4690Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34884Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4690

    No nearby objects data