Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.485808E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T21:21:16+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 58328
    NORAD ID 58328
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-4 R/B FLOCK 4Q 13
    Time of Closest Approach 2026-10-31T19:19:01+0000
    Collision Probability (Pc) 3.485808E-6
    Conjunction Distance (km) 1.836 km
    Relative Speed (km/s) 14.051 km/s
    Conjunction Risk Parameters R (Radial): 1.75 | I (In-track): 0.218 | C (Cross-track): -0.51
    Collision Risk Index (CRI) 0.46
    X Position (km) -4172.309 -4172.957
    Position Y (km) -2747.155 -2748.13
    Position Z (km) -4582.715 -4584.128
    Velocity X (km/s) 1.198 3.522
    Velocity Y (km/s) -6.967 3.922
    Velocity Z (km/s) 3.012 -5.558

    Orbital Parameters 国际轨道数据源

    Parameter SL-4 R/B FLOCK 4Q 13
    Semimajor Axis (a) 6809.474 km 6771.329 km
    Eccentricity (e) 0.008371 0.000508
    Inclination (i) 51.6049° 97.3982°
    RAAN 269.2212° 37.8374°
    Perigee Argument 240.5797° 25.5562°
    Mean Anomaly (M) 118.6816° 334.5944°
    Apogee 488.338 km 396.633 km
    Perigee 374.336 km 389.751 km
    Orbit Epoch 2026-10-29T22:33:22+0000 2026-10-29T12:25:02+0000

    SL-4 R/B & FLOCK 4Q 13 Collision Probability (Pc) Trend

    SL-4 R/B & FLOCK 4Q 13 Collision Probability (Pc) TrendNot Available

    SL-4 R/B & FLOCK 4Q 13 Miss Distance (Miss Distance) Trend

    SL-4 R/B & FLOCK 4Q 13 Miss Distance (Miss Distance) TrendNot Available

    SL-4 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4Q 13Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-4 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4Q 13Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-4 R/B

    No nearby objects data