🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.66 AU - 0.92 AU

Year: 254 Days

Day: 45.2 Hours

Environment

Temp: 128 °C

Axial Tilt: 34.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 98,425,525 km

• M1: 212,728 km (0.067 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.83 AU - 1.15 AU

Year: 356 Days

Day: 22.9 Hours

Environment

Temp: 37 °C

Axial Tilt: 8.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.11 AU - 1.29 AU

Year: 475 Days

Day: 20 Hours

Environment

Temp: -0 °C

Axial Tilt: 15.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 98,425,525 km

• M1: 565,779 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.04 AU - 1.62 AU

Year: 555 Days

Day: 37.9 Hours

Environment

Temp: -16 °C

Axial Tilt: 12.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 98,425,525 km

• M1: 355,893 km (0.089 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.14 AU - 1.86 AU

Year: 664 Days

Day: 38.1 Hours

Environment

Temp: -40 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,425,525 km

• M1: 277,803 km (0.113 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.99 AU - 1.99 AU

Year: 1015 Days

Day: 29.7 Hours

Environment

Temp: -62 °C

Axial Tilt: 13.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.23 AU - 4.19 AU

Year: 2584 Days

Day: 34.6 Hours

Environment

Temp: -125 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.74 AU - 4.1 AU

Year: 2807 Days

Day: 23.6 Hours

Environment

Temp: -112 °C

Axial Tilt: 47.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Ice Giant

Semi-Major Axis: 17.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.3

Radius: 6.6

Gravity: 20.14 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 17.01 AU - 17.57 AU

Year: 26001 Days

Day: 22.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 98,425,525 km

• M1: 152,440 km (0.076 R)
• M2: 339,587 km (0.086 R)
• M3: 381,325 km (0.118 R)
• M4: 425,157 km (0.044 R)
• M5: 470,784 km (0.095 R)
• M6: 542,891 km (0.112 R)
• M7: 810,521 km (0.098 R)
• M8: 1,248,245 km (0.052 R)
• M9: 1,316,162 km (0.071 R)
• M10: 1,385,276 km (0.054 R)
• M11: 1,787,545 km (0.043 R)
• M12: 2,183,381 km (0.052 R)
• M13: 2,349,135 km (0.112 R)
• M14: 3,053,143 km (0.051 R)
• M15: 3,238,794 km (0.116 R)
• M16: 4,585,624 km (0.092 R)
• M17: 4,744,945 km (0.065 R)
• M18: 6,435,102 km (0.088 R)
• M19: 7,158,557 km (0.092 R)
• M20: 7,343,311 km (0.106 R)
• M21: 7,780,884 km (0.107 R)
• M22: 7,907,444 km (0.118 R)
• M23: 8,162,509 km (0.117 R)
• M24: 8,681,015 km (0.11 R)
• M25: 9,076,851 km (0.114 R)
• M26: 9,613,758 km (0.12 R)
• M27: 10,092,022 km (0.062 R)
• M28: 10,160,987 km (0.074 R)
• M29: 11,644,848 km (0.092 R)
• M30: 13,802,648 km (0.086 R)
• M31: 14,186,964 km (0.073 R)
• M32: 14,264,307 km (0.091 R)
• M33: 14,574,872 km (0.068 R)
• M34: 17,303,238 km (0.03 R)
• M35: 17,800,800 km (0.061 R)
• M36: 19,578,921 km (0.118 R)
• M37: 22,395,100 km (0.113 R)
• M38: 23,209,810 km (0.03 R)
• M39: 23,392,170 km (0.111 R)
• M40: 24,774,903 km (0.111 R)
• M41: 25,429,095 km (0.058 R)
• M42: 26,373,656 km (0.111 R)
• M43: 30,066,330 km (0.094 R)
• M44: 33,607,610 km (0.097 R)
• M45: 34,851,666 km (0.102 R)
• M46: 35,374,511 km (0.117 R)
• M47: 35,689,564 km (0.064 R)
• M48: 39,323,446 km (0.11 R)
• M49: 39,758,626 km (0.061 R)
• M50: 39,867,683 km (0.054 R)
• M51: 40,633,923 km (0.11 R)
• M52: 40,963,637 km (0.105 R)
• M53: 43,409,562 km (0.094 R)
• M54: 44,536,782 km (0.064 R)
• M55: 47,976,037 km (0.096 R)
• M56: 48,907,583 km (0.12 R)
• M57: 49,610,095 km (0.103 R)
• M58: 49,727,529 km (0.09 R)
• M59: 52,812,536 km (0.118 R)
• M60: 53,774,151 km (0.109 R)
• M61: 55,592,813 km (0.03 R)
• M62: 55,714,735 km (0.115 R)
• M63: 59,041,044 km (0.046 R)
• M64: 60,540,014 km (0.108 R)
• M65: 61,042,364 km (0.113 R)
• M66: 62,811,658 km (0.086 R)
• M67: 65,111,276 km (0.116 R)
• M68: 67,308,121 km (0.116 R)
• M69: 68,481,118 km (0.118 R)
• M70: 68,742,615 km (0.108 R)
• M71: 68,873,513 km (0.08 R)
• M72: 70,055,486 km (0.088 R)
• M73: 70,319,078 km (0.044 R)
• M74: 71,111,647 km (0.09 R)
• M75: 72,439,328 km (0.066 R)
• M76: 73,641,197 km (0.109 R)
• M77: 75,658,824 km (0.098 R)
• M78: 77,967,418 km (0.091 R)
• M79: 79,336,239 km (0.092 R)
• M80: 79,886,011 km (0.074 R)
• M81: 82,514,446 km (0.108 R)
• M82: 83,210,973 km (0.083 R)
• M83: 84,890,209 km (0.094 R)
• M84: 85,171,304 km (0.058 R)
• M85: 88,424,609 km (0.103 R)
• M86: 88,852,010 km (0.076 R)
• M87: 89,422,875 km (0.114 R)
• M88: 91,142,802 km (0.08 R)
• M89: 94,324,150 km (0.08 R)
• M90: 94,906,535 km (0.11 R)
• M91: 95,052,243 km (0.114 R)
• M92: 95,343,959 km (0.119 R)
• M93: 96,514,113 km (0.073 R)
• M94: 97,541,701 km (0.103 R)
• M95: 98,278,022 km (0.037 R)

Kuiper Belt

Range: 30.3 - 54.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 18,139 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit