Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.035579E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T21:06:12+0800
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    1 Object 1

    AOE ID 7735
    NORAD ID 7735
    Object Type ROCKET BODY
    Country
    US US
    ← VS →

    2 Object 2

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

    Conjunction Constraints

    Parameter DELTA 1 R/B NOAA 15
    Time of Closest Approach 2026-10-22T16:53:32+0000
    Collision Probability (Pc) 2.035579E-5
    Conjunction Distance (km) 0.826 km
    Relative Speed (km/s) 3.842 km/s
    Conjunction Risk Parameters R (Radial): 0.825 | I (In-track): -0.039 | C (Cross-track): 0.006
    Collision Risk Index (CRI) 0.61
    X Position (km) 3540.312 3540.712
    Position Y (km) -2561.436 -2561.696
    Position Z (km) -5696.587 -5697.261
    Velocity X (km/s) 0.434 3.581
    Velocity Y (km/s) -6.696 -4.824
    Velocity Z (km/s) 3.238 4.401

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 R/B NOAA 15
    Semimajor Axis (a) 7184.514 km 7179.318 km
    Eccentricity (e) 0.004877 0.000979
    Inclination (i) 114.9788° 98.5025°
    RAAN 284.5850° 312.4699°
    Perigee Argument 227.1745° 341.0998°
    Mean Anomaly (M) 132.5232° 18.9819°
    Apogee 841.416 km 808.213 km
    Perigee 771.338 km 794.149 km
    Orbit Epoch 2026-10-21T22:39:34+0000 2026-10-22T07:02:45+0000

    DELTA 1 R/B & NOAA 15 Collision Probability (Pc) Trend

    DELTA 1 R/B & NOAA 15 Collision Probability (Pc) TrendNot Available

    DELTA 1 R/B & NOAA 15 Miss Distance (Miss Distance) Trend

    DELTA 1 R/B & NOAA 15 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 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

    DELTA 1 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 15Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 R/B

    No nearby objects data