Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.643461E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T00:14:06+0800
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    1 Object 1

    AOE ID 22
    NORAD ID 22
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63218
    NORAD ID 63218
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter EXPLORER 7 OBJECT J
    Time of Closest Approach 2026-10-19T02:08:19+0000
    Collision Probability (Pc) 4.643461E-6
    Conjunction Distance (km) 1.413 km
    Relative Speed (km/s) 6.45 km/s
    Conjunction Risk Parameters R (Radial): -0.435 | I (In-track): 1.222 | C (Cross-track): 0.562
    Collision Risk Index (CRI) 0.48
    X Position (km) -6395.697 -6395.6
    Position Y (km) -1208.053 -1208.446
    Position Z (km) -2088.026 -2086.673
    Velocity X (km/s) -0.793 -2.452
    Velocity Y (km/s) -5.375 0.583
    Velocity Z (km/s) 5.381 7.209

    Orbital Parameters 国际轨道数据源

    Parameter EXPLORER 7 OBJECT J
    Semimajor Axis (a) 6849.710 km 6830.741 km
    Eccentricity (e) 0.007316 0.000442
    Inclination (i) 50.2411° 97.3703°
    RAAN 215.5652° 186.3652°
    Perigee Argument 258.0074° 69.4165°
    Mean Anomaly (M) 101.2681° 290.7554°
    Apogee 521.685 km 455.621 km
    Perigee 421.461 km 449.587 km
    Orbit Epoch 2026-10-17T04:49:36+0000 2026-10-17T03:22:02+0000

    EXPLORER 7 & OBJECT J Collision Probability (Pc) Trend

    EXPLORER 7 & OBJECT J Collision Probability (Pc) TrendNot Available

    EXPLORER 7 & OBJECT J Miss Distance (Miss Distance) Trend

    EXPLORER 7 & OBJECT J Miss Distance (Miss Distance) TrendNot Available

    EXPLORER 7Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT JMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    EXPLORER 7Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT JCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with EXPLORER 7

    No nearby objects data