Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.670069E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T01:05:18+0800
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    1 Object 1

    AOE ID 53531
    NORAD ID 53531
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69711
    NORAD ID 69711
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4487 STARLINK-37956
    Time of Closest Approach 2026-10-30T03:28:35+0000
    Collision Probability (Pc) 2.670069E-6
    Conjunction Distance (km) 1.958 km
    Relative Speed (km/s) 12.179 km/s
    Conjunction Risk Parameters R (Radial): -1.529 | I (In-track): -0.746 | C (Cross-track): 0.968
    Collision Risk Index (CRI) 0.44
    X Position (km) -4031.995 -4030.216
    Position Y (km) 805.277 805.743
    Position Z (km) 5466.841 5466.17
    Velocity X (km/s) -1.115 -5.537
    Velocity Y (km/s) -7.547 2.75
    Velocity Z (km/s) 0.289 -4.478

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4487 STARLINK-37956
    Semimajor Axis (a) 6848.935 km 6843.710 km
    Eccentricity (e) 0.000114 0.000022
    Inclination (i) 53.1580° 97.2856°
    RAAN 93.5997° 336.6235°
    Perigee Argument 73.3757° 211.0422°
    Mean Anomaly (M) 320.0250° 149.0808°
    Apogee 471.579 km 465.723 km
    Perigee 470.017 km 465.423 km
    Orbit Epoch 2026-10-27T22:00:02+0000 2026-10-27T20:06:44+0000

    STARLINK-4487 & STARLINK-37956 Collision Probability (Pc) Trend

    STARLINK-4487 & STARLINK-37956 Collision Probability (Pc) TrendNot Available

    STARLINK-4487 & STARLINK-37956 Miss Distance (Miss Distance) Trend

    STARLINK-4487 & STARLINK-37956 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4487Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37956Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4487Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37956Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4487

    No nearby objects data