Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.277689E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:31:51+0800
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    1 Object 1

    AOE ID 52650
    NORAD ID 52650
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65698
    NORAD ID 65698
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3891 STARLINK-35090
    Time of Closest Approach 2026-10-21T20:20:53+0000
    Collision Probability (Pc) 2.277689E-6
    Conjunction Distance (km) 1.843 km
    Relative Speed (km/s) 7.348 km/s
    Conjunction Risk Parameters R (Radial): 0.081 | I (In-track): -1.615 | C (Cross-track): 0.882
    Collision Risk Index (CRI) 0.42
    X Position (km) -2064.335 -2066.01
    Position Y (km) -4207.107 -4206.342
    Position Z (km) -4991.02 -4991.083
    Velocity X (km/s) 4.819 7.177
    Velocity Y (km/s) -5.347 -0.543
    Velocity Z (km/s) 2.516 -2.517

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3891 STARLINK-35090
    Semimajor Axis (a) 6840.866 km 6840.831 km
    Eccentricity (e) 0.000120 0.000321
    Inclination (i) 53.1589° 53.1593°
    RAAN 309.8923° 22.9425°
    Perigee Argument 85.2037° 112.6370°
    Mean Anomaly (M) 274.9103° 247.4972°
    Apogee 463.552 km 464.892 km
    Perigee 461.906 km 460.496 km
    Orbit Epoch 2026-10-19T01:24:48+0000 2026-10-19T06:19:05+0000

    STARLINK-3891 & STARLINK-35090 Collision Probability (Pc) Trend

    STARLINK-3891 & STARLINK-35090 Collision Probability (Pc) TrendNot Available

    STARLINK-3891 & STARLINK-35090 Miss Distance (Miss Distance) Trend

    STARLINK-3891 & STARLINK-35090 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3891Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35090Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3891Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35090Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3891

    No nearby objects data