Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.26694E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T01:06:12+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 58
    NORAD ID 58
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 4515
    NORAD ID 4515
    Object Type ROCKET BODY
    Country
    US US

    Conjunction Constraints

    Parameter COURIER 1B SCOUT A R/B
    Time of Closest Approach 2026-10-18T01:01:30+0000
    Collision Probability (Pc) 9.26694E-7
    Conjunction Distance (km) 2.942 km
    Relative Speed (km/s) 7.396 km/s
    Conjunction Risk Parameters R (Radial): -2.093 | I (In-track): 1.758 | C (Cross-track): 1.086
    Collision Risk Index (CRI) 0.34
    X Position (km) -4392.202 -4390.164
    Position Y (km) -6157.796 -6156.717
    Position Z (km) -130.965 -129.14
    Velocity X (km/s) 5.174 -0.108
    Velocity Y (km/s) -3.679 -0.146
    Velocity Z (km/s) 3.423 7.206

    Orbital Parameters 国际轨道数据源

    Parameter COURIER 1B SCOUT A R/B
    Semimajor Axis (a) 7463.545 km 7451.550 km
    Eccentricity (e) 0.016495 0.017160
    Inclination (i) 28.3263° 90.0254°
    RAAN 245.3668° 234.5036°
    Perigee Argument 130.3881° 215.9373°
    Mean Anomaly (M) 231.1186° 300.6211°
    Apogee 1208.517 km 1201.285 km
    Perigee 962.299 km 945.541 km
    Orbit Epoch 2026-10-16T06:19:51+0000 2026-10-16T07:06:23+0000

    COURIER 1B & SCOUT A R/B Collision Probability (Pc) Trend

    COURIER 1B & SCOUT A R/B Collision Probability (Pc) TrendNot Available

    COURIER 1B & SCOUT A R/B Miss Distance (Miss Distance) Trend

    COURIER 1B & SCOUT A R/B Miss Distance (Miss Distance) TrendNot Available

    COURIER 1BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SCOUT A R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COURIER 1BCollision Probability Trend

    Object 1 Probability TrendNot Available

    SCOUT A R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COURIER 1B

    No nearby objects data