Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.549342E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T21:03:04+0800
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    1 Object 1

    AOE ID 12988
    NORAD ID 12988
    Object Type ROCKET BODY
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 67371
    NORAD ID 67371
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-14 R/B UMBRA-12
    Time of Closest Approach 2026-10-18T13:51:28+0000
    Collision Probability (Pc) 2.549342E-6
    Conjunction Distance (km) 2.107 km
    Relative Speed (km/s) 15.135 km/s
    Conjunction Risk Parameters R (Radial): -0.87 | I (In-track): -0.037 | C (Cross-track): -1.917
    Collision Risk Index (CRI) 0.43
    X Position (km) -1283.257 -1284.89
    Position Y (km) 888.547 887.806
    Position Z (km) 6786.794 6785.689
    Velocity X (km/s) 2.432 -2.219
    Velocity Y (km/s) -7.035 7.107
    Velocity Z (km/s) 1.376 -1.346

    Orbital Parameters 国际轨道数据源

    Parameter SL-14 R/B UMBRA-12
    Semimajor Axis (a) 6984.128 km 6975.543 km
    Eccentricity (e) 0.001866 0.000762
    Inclination (i) 82.5201° 97.8076°
    RAAN 111.0459° 287.9471°
    Perigee Argument 89.1056° 89.6180°
    Mean Anomaly (M) 271.2299° 270.5911°
    Apogee 619.025 km 602.724 km
    Perigee 592.957 km 592.088 km
    Orbit Epoch 2026-10-17T22:58:21+0000 2026-10-17T18:04:17+0000

    SL-14 R/B & UMBRA-12 Collision Probability (Pc) Trend

    SL-14 R/B & UMBRA-12 Collision Probability (Pc) TrendNot Available

    SL-14 R/B & UMBRA-12 Miss Distance (Miss Distance) Trend

    SL-14 R/B & UMBRA-12 Miss Distance (Miss Distance) TrendNot Available

    SL-14 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    UMBRA-12Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-14 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    UMBRA-12Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-14 R/B

    No nearby objects data