Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.398404E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:45:39+0800
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    1 Object 1

    AOE ID 48148
    NORAD ID 48148
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65673
    NORAD ID 65673
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2491 STARLINK-35177
    Time of Closest Approach 2026-10-20T12:21:01+0000
    Collision Probability (Pc) 1.398404E-6
    Conjunction Distance (km) 2.809 km
    Relative Speed (km/s) 13.775 km/s
    Conjunction Risk Parameters R (Radial): -2.805 | I (In-track): 0.06 | C (Cross-track): 0.136
    Collision Risk Index (CRI) 0.38
    X Position (km) 3829.724 3828.165
    Position Y (km) -2640.892 -2639.676
    Position Z (km) 5016.513 5014.518
    Velocity X (km/s) 5.997 -5.342
    Velocity Y (km/s) 4.045 1.953
    Velocity Z (km/s) -2.442 5.093

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2491 STARLINK-35177
    Semimajor Axis (a) 6848.896 km 6843.673 km
    Eccentricity (e) 0.000170 0.000144
    Inclination (i) 53.1591° 97.2880°
    RAAN 205.5319° 331.9208°
    Perigee Argument 87.5680° 97.3134°
    Mean Anomaly (M) 272.5516° 262.8273°
    Apogee 471.924 km 466.523 km
    Perigee 469.594 km 464.549 km
    Orbit Epoch 2026-10-19T04:32:12+0000 2026-10-19T01:41:21+0000

    STARLINK-2491 & STARLINK-35177 Collision Probability (Pc) Trend

    STARLINK-2491 & STARLINK-35177 Collision Probability (Pc) TrendNot Available

    STARLINK-2491 & STARLINK-35177 Miss Distance (Miss Distance) Trend

    STARLINK-2491 & STARLINK-35177 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2491Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35177Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2491Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35177Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2491

    No nearby objects data