Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.217566E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T14:00:40+0800
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    1 Object 1

    AOE ID 58735
    NORAD ID 58735
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63859
    NORAD ID 63859
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31157 STARLINK-33821
    Time of Closest Approach 2026-10-20T14:30:35+0000
    Collision Probability (Pc) 2.217566E-6
    Conjunction Distance (km) 1.998 km
    Relative Speed (km/s) 9.826 km/s
    Conjunction Risk Parameters R (Radial): 0.222 | I (In-track): 1.524 | C (Cross-track): -1.272
    Collision Risk Index (CRI) 0.42
    X Position (km) 4339.592 4338.243
    Position Y (km) 4913.924 4915.395
    Position Z (km) 2014.766 2014.839
    Velocity X (km/s) -5.331 -3.416
    Velocity Y (km/s) 2.777 4.947
    Velocity Z (km/s) 4.695 -4.694

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31157 STARLINK-33821
    Semimajor Axis (a) 6861.179 km 6861.132 km
    Eccentricity (e) 0.000272 0.000131
    Inclination (i) 43.0048° 43.0000°
    RAAN 41.8845° 260.5455°
    Perigee Argument 282.0523° 272.3434°
    Mean Anomaly (M) 78.0024° 87.7268°
    Apogee 484.906 km 483.894 km
    Perigee 481.178 km 482.096 km
    Orbit Epoch 2026-10-18T09:02:37+0000 2026-10-18T08:29:05+0000

    STARLINK-31157 & STARLINK-33821 Collision Probability (Pc) Trend

    STARLINK-31157 & STARLINK-33821 Collision Probability (Pc) TrendNot Available

    STARLINK-31157 & STARLINK-33821 Miss Distance (Miss Distance) Trend

    STARLINK-31157 & STARLINK-33821 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31157Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33821Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31157Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33821Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31157

    No nearby objects data