🌌 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: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.68 AU - 0.9 AU

Year: 256 Days

Day: 15.7 Hours

Environment

Temp: 171 °C

Axial Tilt: 13.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.84 AU - 2.46 AU

Year: 1151 Days

Day: 41.3 Hours

Environment

Temp: -79 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.73 AU - 2.59 AU

Year: 1160 Days

Day: 26.4 Hours

Environment

Temp: -67 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,917,124 km

• M1: 932,144 km (0.096 R)
• M2: 1,568,234 km (0.059 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.84 AU - 4.12 AU

Year: 2371 Days

Day: 30.9 Hours

Environment

Temp: -115 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.4

Radius: 13.8

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 8.71 AU - 10.77 AU

Year: 11103 Days

Day: 5.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 43,917,124 km

• M1: 354,996 km (0.077 R)
• M2: 575,353 km (0.05 R)
• M3: 751,281 km (0.106 R)
• M4: 947,254 km (0.074 R)
• M5: 1,034,469 km (0.117 R)
• M6: 1,352,814 km (0.064 R)
• M7: 1,452,595 km (0.079 R)
• M8: 1,638,845 km (0.097 R)
• M9: 1,944,772 km (0.118 R)
• M10: 2,081,804 km (0.027 R)
• M11: 2,175,003 km (0.06 R)
• M12: 2,611,979 km (0.046 R)
• M13: 2,892,924 km (0.057 R)
• M14: 3,050,450 km (0.116 R)
• M15: 3,880,718 km (0.114 R)
• M16: 3,967,485 km (0.119 R)
• M17: 4,471,929 km (0.061 R)
• M18: 5,091,713 km (0.094 R)
• M19: 5,379,390 km (0.04 R)
• M20: 5,672,602 km (0.082 R)
• M21: 5,871,118 km (0.067 R)
• M22: 5,971,199 km (0.113 R)
• M23: 6,274,883 km (0.111 R)
• M24: 6,549,096 km (0.035 R)
• M25: 7,868,698 km (0.073 R)
• M26: 8,276,652 km (0.115 R)
• M27: 8,502,245 km (0.092 R)
• M28: 8,806,079 km (0.103 R)
• M29: 9,937,338 km (0.109 R)
• M30: 10,785,109 km (0.1 R)
• M31: 11,404,893 km (0.106 R)
• M32: 11,698,105 km (0.037 R)
• M33: 12,249,223 km (0.114 R)
• M34: 12,765,635 km (0.107 R)
• M35: 13,686,410 km (0.103 R)
• M36: 14,492,593 km (0.058 R)
• M37: 14,947,221 km (0.099 R)
• M38: 15,360,410 km (0.034 R)
• M39: 15,684,439 km (0.057 R)
• M40: 16,198,158 km (0.07 R)
• M41: 16,669,990 km (0.108 R)
• M42: 17,098,438 km (0.106 R)
• M43: 17,772,227 km (0.077 R)
• M44: 18,356,706 km (0.075 R)
• M45: 18,454,842 km (0.1 R)
• M46: 18,799,216 km (0.095 R)
• M47: 19,644,744 km (0.105 R)
• M48: 20,198,555 km (0.05 R)
• M49: 20,553,551 km (0.115 R)
• M50: 20,655,427 km (0.119 R)
• M51: 21,167,052 km (0.08 R)
• M52: 21,269,825 km (0.101 R)
• M53: 22,098,597 km (0.055 R)
• M54: 22,255,077 km (0.117 R)
• M55: 22,621,891 km (0.066 R)
• M56: 22,885,033 km (0.083 R)
• M57: 23,627,338 km (0.104 R)
• M58: 24,972,672 km (0.074 R)
• M59: 25,299,244 km (0.069 R)
• M60: 26,398,040 km (0.089 R)
• M61: 26,564,094 km (0.119 R)
• M62: 26,730,596 km (0.108 R)
• M63: 27,793,340 km (0.106 R)
• M64: 28,244,826 km (0.088 R)
• M65: 32,180,297 km (0.117 R)
• M66: 32,357,870 km (0.113 R)
• M67: 32,476,351 km (0.111 R)
• M68: 32,713,913 km (0.061 R)
• M69: 33,729,832 km (0.095 R)
• M70: 34,392,850 km (0.104 R)
• M71: 35,364,787 km (0.051 R)
• M72: 35,547,895 km (0.083 R)
• M73: 35,976,792 km (0.112 R)
• M74: 36,901,456 km (0.092 R)
• M75: 39,152,306 km (0.115 R)
• M76: 39,595,116 km (0.112 R)
• M77: 40,613,578 km (0.053 R)
• M78: 41,061,923 km (0.1 R)
• M79: 41,705,194 km (0.093 R)
• M80: 42,351,756 km (0.058 R)
• M81: 43,393,256 km (0.063 R)
• M82: 43,589,379 km (0.074 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 17,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit