Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.796502E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T04:16:12+0800
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    1 Object 1

    AOE ID 58181
    NORAD ID 58181
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59647
    NORAD ID 59647
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-30821 STARLINK-31801
    Time of Closest Approach 2026-10-28T14:13:07+0000
    Collision Probability (Pc) 2.796502E-6
    Conjunction Distance (km) 1.039 km
    Relative Speed (km/s) 0.274 km/s
    Conjunction Risk Parameters R (Radial): -0.656 | I (In-track): -0.804 | C (Cross-track): 0.01
    Collision Risk Index (CRI) 0.44
    X Position (km) 5007.981 5007.454
    Position Y (km) -330.103 -330.875
    Position Z (km) 4675.846 4675.393
    Velocity X (km/s) 0.396 0.583
    Velocity Y (km/s) 7.611 7.601
    Velocity Z (km/s) 0.115 -0.084

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30821 STARLINK-31801
    Semimajor Axis (a) 6861.006 km 6861.534 km
    Eccentricity (e) 0.000791 0.000595
    Inclination (i) 43.0066° 43.0008°
    RAAN 275.7965° 272.7898°
    Perigee Argument 278.3800° 282.4184°
    Mean Anomaly (M) 81.6156° 77.6001°
    Apogee 488.294 km 487.481 km
    Perigee 477.444 km 479.313 km
    Orbit Epoch 2026-10-27T04:52:42+0000 2026-10-27T04:51:52+0000

    STARLINK-30821 & STARLINK-31801 Collision Probability (Pc) Trend

    STARLINK-30821 & STARLINK-31801 Collision Probability (Pc) TrendNot Available

    STARLINK-30821 & STARLINK-31801 Miss Distance (Miss Distance) Trend

    STARLINK-30821 & STARLINK-31801 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30821Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31801Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30821Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31801Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30821

    No nearby objects data