Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.483723E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:27:29+0800
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    1 Object 1

    AOE ID 58883
    NORAD ID 58883
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66133
    NORAD ID 66133
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31209 STARLINK-35520
    Time of Closest Approach 2026-09-13T10:37:49+0000
    Collision Probability (Pc) 2.483723E-4
    Conjunction Distance (km) 0.383 km
    Relative Speed (km/s) 7.681 km/s
    Conjunction Risk Parameters R (Radial): 0.367 | I (In-track): -0.1 | C (Cross-track): -0.05
    Collision Risk Index (CRI) 0.83
    X Position (km) -2040.272 -2040.262
    Position Y (km) 4292.929 4292.647
    Position Z (km) -4927.772 -4927.514
    Velocity X (km/s) -7.136 -4.764
    Velocity Y (km/s) -0.332 -5.323
    Velocity Z (km/s) 2.667 -2.667

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31209 STARLINK-35520
    Semimajor Axis (a) 6840.900 km 6840.828 km
    Eccentricity (e) 0.000158 0.000153
    Inclination (i) 53.1591° 53.1586°
    RAAN 186.1768° 255.8835°
    Perigee Argument 92.5370° 68.5547°
    Mean Anomaly (M) 267.5813° 291.5619°
    Apogee 463.842 km 463.740 km
    Perigee 461.684 km 461.642 km
    Orbit Epoch 2026-09-09T05:17:49+0000 2026-09-10T23:43:59+0000

    STARLINK-31209 & STARLINK-35520 Collision Probability (Pc) Trend

    STARLINK-31209 & STARLINK-35520 Collision Probability (Pc) TrendNot Available

    STARLINK-31209 & STARLINK-35520 Miss Distance (Miss Distance) Trend

    STARLINK-31209 & STARLINK-35520 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31209Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35520Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31209Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35520Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31209

    No nearby objects data