Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.383002E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T16:57:04+0800
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    1 Object 1

    AOE ID 11166
    NORAD ID 11166
    Object Type ROCKET BODY
    Country
    CIS CIS
    ← VS →

    2 Object 2

    Name NOAA 15
    AOE ID 25338
    NORAD ID 25338
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-3 R/B NOAA 15
    Time of Closest Approach 2026-10-20T10:53:55+0000
    Collision Probability (Pc) 3.383002E-5
    Conjunction Distance (km) 0.918 km
    Relative Speed (km/s) 13.389 km/s
    Conjunction Risk Parameters R (Radial): 0.688 | I (In-track): -0.261 | C (Cross-track): -0.548
    Collision Risk Index (CRI) 0.66
    X Position (km) 1173.026 1172.556
    Position Y (km) 261.565 261.447
    Position Z (km) -7082.534 -7083.314
    Velocity X (km/s) 1.48 4.768
    Velocity Y (km/s) 7.297 -5.681
    Velocity Z (km/s) 0.508 0.587

    Orbital Parameters 国际轨道数据源

    Parameter SL-3 R/B NOAA 15
    Semimajor Axis (a) 7222.872 km 7179.320 km
    Eccentricity (e) 0.006493 0.000992
    Inclination (i) 81.2371° 98.5027°
    RAAN 78.5417° 310.2204°
    Perigee Argument 267.4458° 348.1208°
    Mean Anomaly (M) 91.9281° 11.9738°
    Apogee 891.631 km 808.308 km
    Perigee 797.839 km 794.058 km
    Orbit Epoch 2026-10-19T20:01:14+0000 2026-10-19T23:31:12+0000

    SL-3 R/B & NOAA 15 Collision Probability (Pc) Trend

    SL-3 R/B & NOAA 15 Collision Probability (Pc) TrendNot Available

    SL-3 R/B & NOAA 15 Miss Distance (Miss Distance) Trend

    SL-3 R/B & NOAA 15 Miss Distance (Miss Distance) TrendNot Available

    SL-3 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NOAA 15Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-3 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 15Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-3 R/B

    No nearby objects data