Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.562423E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T13:40:02+0800
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    1 Object 1

    AOE ID 53258
    NORAD ID 53258
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53403
    NORAD ID 53403
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4127 STARLINK-4507
    Time of Closest Approach 2026-10-21T03:47:23+0000
    Collision Probability (Pc) 1.562423E-6
    Conjunction Distance (km) 2.157 km
    Relative Speed (km/s) 7.433 km/s
    Conjunction Risk Parameters R (Radial): 0.185 | I (In-track): 1.878 | C (Cross-track): -1.042
    Collision Risk Index (CRI) 0.39
    X Position (km) 2599.888 2601.746
    Position Y (km) -3912.819 -3911.733
    Position Z (km) 4973.456 4973.592
    Velocity X (km/s) 4.057 7.051
    Velocity Y (km/s) 5.944 1.44
    Velocity Z (km/s) 2.549 -2.549

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4127 STARLINK-4507
    Semimajor Axis (a) 6848.817 km 6848.878 km
    Eccentricity (e) 0.000123 0.000163
    Inclination (i) 53.1571° 53.1578°
    RAAN 264.1850° 186.2918°
    Perigee Argument 89.2064° 87.9536°
    Mean Anomaly (M) 270.9078° 272.1651°
    Apogee 471.524 km 471.855 km
    Perigee 469.836 km 469.627 km
    Orbit Epoch 2026-10-18T08:10:19+0000 2026-10-18T23:36:48+0000

    STARLINK-4127 & STARLINK-4507 Collision Probability (Pc) Trend

    STARLINK-4127 & STARLINK-4507 Collision Probability (Pc) TrendNot Available

    STARLINK-4127 & STARLINK-4507 Miss Distance (Miss Distance) Trend

    STARLINK-4127 & STARLINK-4507 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4127Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4507Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4127Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4507Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4127

    No nearby objects data