Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.477663E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-21T01:25:02+0800
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    1 Object 1

    AOE ID 53803
    NORAD ID 53803
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69615
    NORAD ID 69615
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4727 KUIPER-00547
    Time of Closest Approach 2026-09-20T19:10:44+0000
    Collision Probability (Pc) 1.477663E-6
    Conjunction Distance (km) 2.545 km
    Relative Speed (km/s) 11.66 km/s
    Conjunction Risk Parameters R (Radial): 0.996 | I (In-track): -1.511 | C (Cross-track): -1.789
    Collision Risk Index (CRI) 0.38
    X Position (km) -1074.633 -1076.783
    Position Y (km) 6345.146 6343.82
    Position Z (km) 2312.967 2312.66
    Velocity X (km/s) -4.463 -5.269
    Velocity Y (km/s) -2.784 1.092
    Velocity Z (km/s) 5.539 -5.428

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4727 KUIPER-00547
    Semimajor Axis (a) 6840.871 km 6839.830 km
    Eccentricity (e) 0.000112 0.001102
    Inclination (i) 53.1614° 51.8817°
    RAAN 87.9622° 299.0653°
    Perigee Argument 86.4839° 159.3295°
    Mean Anomaly (M) 273.6292° 101.6732°
    Apogee 463.502 km 469.230 km
    Perigee 461.966 km 454.156 km
    Orbit Epoch 2026-09-19T22:44:53+0000 2026-09-20T04:00:03+0000

    STARLINK-4727 & KUIPER-00547 Collision Probability (Pc) Trend

    STARLINK-4727 & KUIPER-00547 Collision Probability (Pc) TrendNot Available

    STARLINK-4727 & KUIPER-00547 Miss Distance (Miss Distance) Trend

    STARLINK-4727 & KUIPER-00547 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4727Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00547Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4727Collision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00547Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4727

    No nearby objects data