Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.389553E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T12:27:53+0800
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    1 Object 1

    AOE ID 39679
    NORAD ID 39679
    Object Type ROCKET BODY
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 54099
    NORAD ID 54099
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-4 R/B STARLINK-5198
    Time of Closest Approach 2026-10-30T16:09:03+0000
    Collision Probability (Pc) 7.389553E-6
    Conjunction Distance (km) 1.294 km
    Relative Speed (km/s) 8.298 km/s
    Conjunction Risk Parameters R (Radial): -1.054 | I (In-track): 0.626 | C (Cross-track): 0.414
    Collision Risk Index (CRI) 0.52
    X Position (km) 3960.427 3959.348
    Position Y (km) 3008.604 3008.725
    Position Z (km) 4688.942 4688.239
    Velocity X (km/s) -1.796 -6.176
    Velocity Y (km/s) 6.806 3.214
    Velocity Z (km/s) -2.92 3.144

    Orbital Parameters 国际轨道数据源

    Parameter SL-4 R/B STARLINK-5198
    Semimajor Axis (a) 6809.556 km 6840.884 km
    Eccentricity (e) 0.008379 0.000134
    Inclination (i) 51.6050° 53.1623°
    RAAN 277.1792° 2.0559°
    Perigee Argument 234.6207° 85.3716°
    Mean Anomaly (M) 124.6930° 274.7440°
    Apogee 488.476 km 463.667 km
    Perigee 374.362 km 461.827 km
    Orbit Epoch 2026-10-28T07:44:49+0000 2026-10-28T13:52:14+0000

    SL-4 R/B & STARLINK-5198 Collision Probability (Pc) Trend

    SL-4 R/B & STARLINK-5198 Collision Probability (Pc) TrendNot Available

    SL-4 R/B & STARLINK-5198 Miss Distance (Miss Distance) Trend

    SL-4 R/B & STARLINK-5198 Miss Distance (Miss Distance) TrendNot Available

    SL-4 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5198Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-4 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5198Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-4 R/B

    No nearby objects data