Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.749998E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T06:57:35+0800
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    1 Object 1

    AOE ID 58781
    NORAD ID 58781
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65737
    NORAD ID 65737
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31099 STARLINK-35121
    Time of Closest Approach 2026-10-21T18:36:14+0000
    Collision Probability (Pc) 2.749998E-6
    Conjunction Distance (km) 1.541 km
    Relative Speed (km/s) 4.385 km/s
    Conjunction Risk Parameters R (Radial): 1.306 | I (In-track): -0.784 | C (Cross-track): -0.232
    Collision Risk Index (CRI) 0.44
    X Position (km) -1485.772 -1486.256
    Position Y (km) 4012.819 4011.771
    Position Z (km) 5327.592 5326.573
    Velocity X (km/s) -6.268 -7.457
    Velocity Y (km/s) -4.146 -0.939
    Velocity Z (km/s) 1.371 -1.371

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31099 STARLINK-35121
    Semimajor Axis (a) 6840.911 km 6840.828 km
    Eccentricity (e) 0.000105 0.000226
    Inclination (i) 53.1589° 53.1561°
    RAAN 52.6709° 11.2921°
    Perigee Argument 76.5789° 95.5973°
    Mean Anomaly (M) 283.5330° 264.5287°
    Apogee 463.492 km 464.235 km
    Perigee 462.056 km 461.147 km
    Orbit Epoch 2026-10-19T08:25:44+0000 2026-10-19T05:11:38+0000

    STARLINK-31099 & STARLINK-35121 Collision Probability (Pc) Trend

    STARLINK-31099 & STARLINK-35121 Collision Probability (Pc) TrendNot Available

    STARLINK-31099 & STARLINK-35121 Miss Distance (Miss Distance) Trend

    STARLINK-31099 & STARLINK-35121 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31099Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35121Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31099Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35121Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31099

    No nearby objects data