Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.311812E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:37:43+0800
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    1 Object 1

    AOE ID 49729
    NORAD ID 49729
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69656
    NORAD ID 69656
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3251 STARLINK-37876
    Time of Closest Approach 2026-10-21T01:16:17+0000
    Collision Probability (Pc) 1.311812E-6
    Conjunction Distance (km) 2.92 km
    Relative Speed (km/s) 13.471 km/s
    Conjunction Risk Parameters R (Radial): -2.618 | I (In-track): 0.617 | C (Cross-track): 1.135
    Collision Risk Index (CRI) 0.37
    X Position (km) 3775.463 3774.023
    Position Y (km) -2342.798 -2340.723
    Position Z (km) 5201.918 5200.454
    Velocity X (km/s) 5.611 -5.63
    Velocity Y (km/s) 4.817 1.737
    Velocity Z (km/s) -1.898 4.855

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3251 STARLINK-37876
    Semimajor Axis (a) 6848.829 km 6843.663 km
    Eccentricity (e) 0.000141 0.000099
    Inclination (i) 53.1565° 97.2853°
    RAAN 213.6022° 335.8985°
    Perigee Argument 83.0728° 97.4399°
    Mean Anomaly (M) 277.0434° 262.6957°
    Apogee 471.661 km 466.206 km
    Perigee 469.723 km 464.846 km
    Orbit Epoch 2026-10-20T04:26:38+0000 2026-10-20T03:07:43+0000

    STARLINK-3251 & STARLINK-37876 Collision Probability (Pc) Trend

    STARLINK-3251 & STARLINK-37876 Collision Probability (Pc) TrendNot Available

    STARLINK-3251 & STARLINK-37876 Miss Distance (Miss Distance) Trend

    STARLINK-3251 & STARLINK-37876 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3251Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37876Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3251Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37876Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3251

    No nearby objects data