Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.02379E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T22:12:32+0800
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    1 Object 1

    AOE ID 13121
    NORAD ID 13121
    Object Type ROCKET BODY
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 66540
    NORAD ID 66540
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-3 R/B STARLINK-35818
    Time of Closest Approach 2026-10-23T14:35:51+0000
    Collision Probability (Pc) 1.02379E-6
    Conjunction Distance (km) 2.776 km
    Relative Speed (km/s) 7.759 km/s
    Conjunction Risk Parameters R (Radial): -2.198 | I (In-track): -1.46 | C (Cross-track): -0.86
    Collision Risk Index (CRI) 0.35
    X Position (km) -3736.035 -3737.459
    Position Y (km) 3691.569 3691.375
    Position Z (km) 4403.361 4405.736
    Velocity X (km/s) 2.348 -4.079
    Velocity Y (km/s) -4.463 -6.206
    Velocity Z (km/s) 5.718 1.736

    Orbital Parameters 国际轨道数据源

    Parameter SL-3 R/B STARLINK-35818
    Semimajor Axis (a) 6852.068 km 6861.111 km
    Eccentricity (e) 0.000717 0.000212
    Inclination (i) 81.1842° 43.0004°
    RAAN 128.3407° 76.0712°
    Perigee Argument 213.6073° 256.5132°
    Mean Anomaly (M) 146.4709° 103.5484°
    Apogee 478.846 km 484.428 km
    Perigee 469.016 km 481.520 km
    Orbit Epoch 2026-10-23T05:00:25+0000 2026-10-22T17:53:26+0000

    SL-3 R/B & STARLINK-35818 Collision Probability (Pc) Trend

    SL-3 R/B & STARLINK-35818 Collision Probability (Pc) TrendNot Available

    SL-3 R/B & STARLINK-35818 Miss Distance (Miss Distance) Trend

    SL-3 R/B & STARLINK-35818 Miss Distance (Miss Distance) TrendNot Available

    SL-3 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35818Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-3 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35818Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-3 R/B

    No nearby objects data