Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.137224E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T03:12:21+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 67860
    NORAD ID 67860
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4727 STARLINK-35873
    Time of Closest Approach 2026-10-20T02:50:02+0000
    Collision Probability (Pc) 9.137224E-7
    Conjunction Distance (km) 2.87 km
    Relative Speed (km/s) 6.836 km/s
    Conjunction Risk Parameters R (Radial): -0.887 | I (In-track): -2.44 | C (Cross-track): 1.223
    Collision Risk Index (CRI) 0.34
    X Position (km) 4576.726 4576.271
    Position Y (km) 236.401 233.645
    Position Z (km) 5069.206 5068.549
    Velocity X (km/s) -2.886 2.186
    Velocity Y (km/s) 6.693 6.954
    Velocity Z (km/s) 2.288 -2.288

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4727 STARLINK-35873
    Semimajor Axis (a) 6840.854 km 6840.792 km
    Eccentricity (e) 0.000112 0.000201
    Inclination (i) 53.1564° 53.1570°
    RAAN 316.4209° 247.5810°
    Perigee Argument 71.8216° 86.3576°
    Mean Anomaly (M) 288.2909° 273.7657°
    Apogee 463.487 km 464.034 km
    Perigee 461.947 km 461.276 km
    Orbit Epoch 2026-10-18T02:04:42+0000 2026-10-18T06:34:46+0000

    STARLINK-4727 & STARLINK-35873 Collision Probability (Pc) Trend

    STARLINK-4727 & STARLINK-35873 Collision Probability (Pc) TrendNot Available

    STARLINK-4727 & STARLINK-35873 Miss Distance (Miss Distance) Trend

    STARLINK-4727 & STARLINK-35873 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4727Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35873Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4727Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35873Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4727

    No nearby objects data