Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.654169E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T10:47:28+0800
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    1 Object 1

    AOE ID 1864
    NORAD ID 1864
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 20528
    NORAD ID 20528
    Object Type ROCKET BODY
    Country
    CIS CIS

    Conjunction Constraints

    Parameter OPS 1509 (TRANSIT 10) SL-8 R/B
    Time of Closest Approach 2026-10-23T06:51:25+0000
    Collision Probability (Pc) 1.654169E-6
    Conjunction Distance (km) 2.567 km
    Relative Speed (km/s) 14.472 km/s
    Conjunction Risk Parameters R (Radial): -1.631 | I (In-track): -0.338 | C (Cross-track): 1.953
    Collision Risk Index (CRI) 0.39
    X Position (km) -2238.441 -2239.497
    Position Y (km) -2217.451 -2215.734
    Position Z (km) 6672.037 6670.448
    Velocity X (km/s) 4.921 -3.028
    Velocity Y (km/s) 4.488 -5.971
    Velocity Z (km/s) 3.06 -3.011

    Orbital Parameters 国际轨道数据源

    Parameter OPS 1509 (TRANSIT 10) SL-8 R/B
    Semimajor Axis (a) 7345.252 km 7366.402 km
    Eccentricity (e) 0.010880 0.003063
    Inclination (i) 89.0824° 82.9362°
    RAAN 222.9559° 60.9843°
    Perigee Argument 190.3166° 256.8293°
    Mean Anomaly (M) 169.5770° 267.2054°
    Apogee 1047.034 km 1010.832 km
    Perigee 887.196 km 965.698 km
    Orbit Epoch 2026-10-21T12:44:45+0000 2026-10-21T20:07:19+0000

    OPS 1509 (TRANSIT 10) & SL-8 R/B Collision Probability (Pc) Trend

    OPS 1509 (TRANSIT 10) & SL-8 R/B Collision Probability (Pc) TrendNot Available

    OPS 1509 (TRANSIT 10) & SL-8 R/B Miss Distance (Miss Distance) Trend

    OPS 1509 (TRANSIT 10) & SL-8 R/B Miss Distance (Miss Distance) TrendNot Available

    OPS 1509 (TRANSIT 10)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SL-8 R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 1509 (TRANSIT 10)Collision Probability Trend

    Object 1 Probability TrendNot Available

    SL-8 R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 1509 (TRANSIT 10)

    No nearby objects data