Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.285847E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:45:56+0800
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    1 Object 1

    AOE ID 48639
    NORAD ID 48639
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59261
    NORAD ID 59261
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2739 STARLINK-31639
    Time of Closest Approach 2026-10-21T18:33:54+0000
    Collision Probability (Pc) 2.285847E-6
    Conjunction Distance (km) 1.808 km
    Relative Speed (km/s) 6.803 km/s
    Conjunction Risk Parameters R (Radial): 1.453 | I (In-track): -0.964 | C (Cross-track): -0.476
    Collision Risk Index (CRI) 0.42
    X Position (km) -363.656 -364.805
    Position Y (km) -4568.108 -4568.991
    Position Z (km) 5078.098 5079.178
    Velocity X (km/s) 6.614 7.014
    Velocity Y (km/s) -3.062 1.977
    Velocity Z (km/s) -2.277 2.275

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2739 STARLINK-31639
    Semimajor Axis (a) 6848.581 km 6848.872 km
    Eccentricity (e) 0.000190 0.000176
    Inclination (i) 53.1589° 53.1607°
    RAAN 153.5794° 221.1658°
    Perigee Argument 141.9773° 102.3402°
    Mean Anomaly (M) 218.1363° 257.7796°
    Apogee 471.745 km 471.940 km
    Perigee 469.143 km 469.530 km
    Orbit Epoch 2026-10-19T05:00:57+0000 2026-10-19T05:11:42+0000

    STARLINK-2739 & STARLINK-31639 Collision Probability (Pc) Trend

    STARLINK-2739 & STARLINK-31639 Collision Probability (Pc) TrendNot Available

    STARLINK-2739 & STARLINK-31639 Miss Distance (Miss Distance) Trend

    STARLINK-2739 & STARLINK-31639 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2739Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31639Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2739Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31639Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2739

    No nearby objects data