Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.098123E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T14:18:57+0800
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    1 Object 1

    AOE ID 58685
    NORAD ID 58685
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66456
    NORAD ID 66456
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31121 STARLINK-35643
    Time of Closest Approach 2026-10-21T22:17:44+0000
    Collision Probability (Pc) 2.098123E-4
    Conjunction Distance (km) 0.447 km
    Relative Speed (km/s) 10.01 km/s
    Conjunction Risk Parameters R (Radial): -0.446 | I (In-track): -0.004 | C (Cross-track): 0.002
    Collision Risk Index (CRI) 0.81
    X Position (km) 809.037 808.987
    Position Y (km) 6602.727 6602.299
    Position Z (km) -1686.977 -1686.864
    Velocity X (km/s) -5.857 -5.559
    Velocity Y (km/s) -0.519 1.917
    Velocity Z (km/s) -4.852 4.852

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31121 STARLINK-35643
    Semimajor Axis (a) 6861.273 km 6861.178 km
    Eccentricity (e) 0.000134 0.000075
    Inclination (i) 43.0007° 42.9989°
    RAAN 261.8364° 110.9771°
    Perigee Argument 271.7679° 245.8225°
    Mean Anomaly (M) 88.3019° 114.2549°
    Apogee 484.054 km 483.555 km
    Perigee 482.218 km 482.527 km
    Orbit Epoch 2026-10-19T08:13:00+0000 2026-10-19T18:36:13+0000

    STARLINK-31121 & STARLINK-35643 Collision Probability (Pc) Trend

    STARLINK-31121 & STARLINK-35643 Collision Probability (Pc) TrendNot Available

    STARLINK-31121 & STARLINK-35643 Miss Distance (Miss Distance) Trend

    STARLINK-31121 & STARLINK-35643 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31121Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35643Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31121Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35643Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31121

    No nearby objects data