Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.05172E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:11:12+0800
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    1 Object 1

    AOE ID 46028
    NORAD ID 46028
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 48135
    NORAD ID 48135
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1523 STARLINK-2478
    Time of Closest Approach 2026-10-21T15:58:30+0000
    Collision Probability (Pc) 7.05172E-7
    Conjunction Distance (km) 2.98 km
    Relative Speed (km/s) 4.585 km/s
    Conjunction Risk Parameters R (Radial): -2.3 | I (In-track): 1.81 | C (Cross-track): 0.561
    Collision Risk Index (CRI) 0.32
    X Position (km) -440.117 -438.085
    Position Y (km) -4261.405 -4260.167
    Position Z (km) 5298.963 5297.17
    Velocity X (km/s) 7.078 7.444
    Velocity Y (km/s) -2.522 1.029
    Velocity Z (km/s) -1.437 1.439

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1523 STARLINK-2478
    Semimajor Axis (a) 6822.864 km 6831.459 km
    Eccentricity (e) 0.000194 0.000162
    Inclination (i) 53.1550° 53.1616°
    RAAN 159.8948° 201.6080°
    Perigee Argument 108.0007° 103.6344°
    Mean Anomaly (M) 252.1210° 349.0510°
    Apogee 446.053 km 454.433 km
    Perigee 443.401 km 452.211 km
    Orbit Epoch 2026-10-20T00:36:11+0000 2026-10-20T12:00:03+0000

    STARLINK-1523 & STARLINK-2478 Collision Probability (Pc) Trend

    STARLINK-1523 & STARLINK-2478 Collision Probability (Pc) TrendNot Available

    STARLINK-1523 & STARLINK-2478 Miss Distance (Miss Distance) Trend

    STARLINK-1523 & STARLINK-2478 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1523Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2478Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1523Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2478Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1523

    No nearby objects data