Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.73359E-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 2026-10-20T23:08:25+0000
    Collision Probability (Pc) 2.73359E-6
    Conjunction Distance (km) 1.844 km
    Relative Speed (km/s) 9.82 km/s
    Conjunction Risk Parameters R (Radial): -1.19 | I (In-track): -1.072 | C (Cross-track): -0.911
    Collision Risk Index (CRI) 0.44
    X Position (km) -4512.559 -4512.796
    Position Y (km) -4760.972 -4759.176
    Position Z (km) -2017.432 -2017.088
    Velocity X (km/s) 5.224 3.241
    Velocity Y (km/s) -2.965 -5.058
    Velocity Z (km/s) -4.693 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