Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.616556E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-21T04:04:12+0800
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    1 Object 1

    AOE ID 46266
    NORAD ID 46266
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55781
    NORAD ID 55781
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter GNOMES-1 STARLINK-5820
    Time of Closest Approach 2026-09-20T23:47:48+0000
    Collision Probability (Pc) 7.616556E-7
    Conjunction Distance (km) 2.801 km
    Relative Speed (km/s) 4.626 km/s
    Conjunction Risk Parameters R (Radial): 1.756 | I (In-track): -2.075 | C (Cross-track): 0.676
    Collision Risk Index (CRI) 0.33
    X Position (km) 1738.677 1738.094
    Position Y (km) -5203.768 -5201.101
    Position Z (km) -4276.693 -4277.319
    Velocity X (km/s) -2.683 1.784
    Velocity Y (km/s) 3.926 5.017
    Velocity Z (km/s) -5.879 -5.377

    Orbital Parameters 国际轨道数据源

    Parameter GNOMES-1 STARLINK-5820
    Semimajor Axis (a) 6942.620 km 6950.195 km
    Eccentricity (e) 0.001192 0.000271
    Inclination (i) 97.7968° 69.9983°
    RAAN 113.4294° 94.4315°
    Perigee Argument 68.9358° 267.7838°
    Mean Anomaly (M) 291.3139° 92.3011°
    Apogee 572.763 km 573.945 km
    Perigee 556.203 km 570.171 km
    Orbit Epoch 2026-09-19T19:37:31+0000 2026-09-20T00:22:58+0000

    GNOMES-1 & STARLINK-5820 Collision Probability (Pc) Trend

    GNOMES-1 & STARLINK-5820 Collision Probability (Pc) TrendNot Available

    GNOMES-1 & STARLINK-5820 Miss Distance (Miss Distance) Trend

    GNOMES-1 & STARLINK-5820 Miss Distance (Miss Distance) TrendNot Available

    GNOMES-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5820Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    GNOMES-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5820Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with GNOMES-1

    No nearby objects data