Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.389167E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T02:07:49+0800
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    1 Object 1

    Name RADCAL
    AOE ID 22698
    NORAD ID 22698
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 24946
    NORAD ID 24946
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter RADCAL IRIDIUM 33
    Time of Closest Approach 2026-10-17T21:09:55+0000
    Collision Probability (Pc) 2.389167E-6
    Conjunction Distance (km) 2.064 km
    Relative Speed (km/s) 12.59 km/s
    Conjunction Risk Parameters R (Radial): 2.005 | I (In-track): 0.279 | C (Cross-track): -0.399
    Collision Risk Index (CRI) 0.43
    X Position (km) 264.795 264.383
    Position Y (km) 458.504 458.649
    Position Z (km) 7127.396 7129.413
    Velocity X (km/s) -4.464 -3.569
    Velocity Y (km/s) -5.986 6.547
    Velocity Z (km/s) 0.493 -0.287

    Orbital Parameters 国际轨道数据源

    Parameter RADCAL IRIDIUM 33
    Semimajor Axis (a) 7189.288 km 7152.583 km
    Eccentricity (e) 0.008952 0.000582
    Inclination (i) 89.5057° 86.3827°
    RAAN 53.3520° 298.7015°
    Perigee Argument 145.3820° 293.4953°
    Mean Anomaly (M) 215.3246° 66.5632°
    Apogee 875.513 km 778.608 km
    Perigee 746.789 km 770.284 km
    Orbit Epoch 2026-10-17T07:16:23+0000 2026-10-17T07:21:02+0000

    RADCAL & IRIDIUM 33 Collision Probability (Pc) Trend

    RADCAL & IRIDIUM 33 Collision Probability (Pc) TrendNot Available

    RADCAL & IRIDIUM 33 Miss Distance (Miss Distance) Trend

    RADCAL & IRIDIUM 33 Miss Distance (Miss Distance) TrendNot Available

    RADCALMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 33Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    RADCALCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 33Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with RADCAL

    No nearby objects data