🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.72 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.7 AU - 4.18 AU

Year: 2354 Days

Day: 34.7 Hours

Environment

Temp: -108 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896

Radius: 9.8

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 6.26 AU - 8.24 AU

Year: 7203 Days

Day: 14.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,963,913 km

• M1: 133,441 km (0.117 R)
• M2: 778,059 km (0.078 R)
• M3: 1,200,074 km (0.035 R)
• M4: 2,000,872 km (0.108 R)
• M5: 2,426,477 km (0.118 R)
• M6: 2,891,278 km (0.07 R)
• M7: 3,255,698 km (0.085 R)
• M8: 3,949,085 km (0.116 R)
• M9: 4,371,998 km (0.045 R)
• M10: 6,374,515 km (0.085 R)
• M11: 6,920,547 km (0.036 R)
• M12: 7,737,202 km (0.116 R)
• M13: 8,064,672 km (0.096 R)
• M14: 8,401,416 km (0.091 R)
• M15: 8,791,418 km (0.054 R)
• M16: 9,608,073 km (0.071 R)
• M17: 10,723,923 km (0.117 R)
• M18: 12,251,318 km (0.099 R)
• M19: 13,153,692 km (0.103 R)
• M20: 17,628,314 km (0.075 R)
• M21: 18,777,525 km (0.064 R)
• M22: 19,747,368 km (0.052 R)
• M23: 20,283,377 km (0.08 R)
• M24: 20,986,636 km (0.077 R)
• M25: 21,949,448 km (0.059 R)
• M26: 22,359,197 km (0.058 R)
• M27: 24,049,503 km (0.078 R)
• M28: 27,969,416 km (0.049 R)
• M29: 28,451,121 km (0.108 R)
• M30: 33,254,260 km (0.117 R)
• M31: 37,279,789 km (0.066 R)
• M32: 37,746,086 km (0.058 R)
• M33: 39,409,315 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.9

Radius: 12

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 8.74 AU - 12.76 AU

Year: 13004 Days

Day: 9 Hours

Environment

Temp: -187 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,963,913 km

• M1: 149,299 km (0.09 R)
• M2: 790,924 km (0.086 R)
• M3: 1,484,908 km (0.073 R)
• M4: 1,950,756 km (0.05 R)
• M5: 2,353,922 km (0.106 R)
• M6: 2,902,797 km (0.102 R)
• M7: 3,830,753 km (0.12 R)
• M8: 4,816,453 km (0.046 R)
• M9: 5,634,305 km (0.037 R)
• M10: 6,229,555 km (0.081 R)
• M11: 7,767,421 km (0.083 R)
• M12: 8,990,533 km (0.062 R)
• M13: 9,596,554 km (0.104 R)
• M14: 10,556,523 km (0.115 R)
• M15: 11,060,070 km (0.087 R)
• M16: 12,358,729 km (0.113 R)
• M17: 13,172,392 km (0.098 R)
• M18: 15,469,617 km (0.071 R)
• M19: 17,167,702 km (0.106 R)
• M20: 19,315,927 km (0.034 R)
• M21: 19,985,378 km (0.083 R)
• M22: 20,757,004 km (0.107 R)
• M23: 24,720,749 km (0.071 R)
• M24: 27,873,374 km (0.116 R)
• M25: 29,381,471 km (0.079 R)
• M26: 30,603,984 km (0.092 R)
• M27: 32,559,528 km (0.117 R)
• M28: 33,507,978 km (0.102 R)
• M29: 37,487,282 km (0.105 R)
• M30: 42,749,536 km (0.108 R)
• M31: 44,607,691 km (0.051 R)
• M32: 45,630,343 km (0.112 R)
• M33: 47,570,777 km (0.113 R)
• M34: 48,331,482 km (0.119 R)
• M35: 48,791,794 km (0.091 R)
• M36: 51,455,833 km (0.035 R)
• M37: 52,742,524 km (0.076 R)
• M38: 53,557,384 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.2

Radius: 6

Gravity: 19.06 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 11.95 AU - 18.89 AU

Year: 22341 Days

Day: 19.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,963,913 km

• M1: 86,168 km (0.089 R)
• M2: 324,328 km (0.047 R)
• M3: 946,506 km (0.08 R)
• M4: 1,249,591 km (0.102 R)
• M5: 1,740,721 km (0.06 R)
• M6: 2,051,286 km (0.041 R)
• M7: 2,443,980 km (0.106 R)
• M8: 2,732,854 km (0.101 R)
• M9: 3,208,725 km (0.11 R)
• M10: 3,615,781 km (0.063 R)
• M11: 4,189,040 km (0.099 R)
• M12: 5,007,340 km (0.11 R)
• M13: 5,394,499 km (0.07 R)
• M14: 6,585,448 km (0.069 R)
• M15: 7,097,970 km (0.105 R)
• M16: 8,097,434 km (0.078 R)
• M17: 9,130,856 km (0.117 R)
• M18: 9,886,923 km (0.104 R)
• M19: 10,127,626 km (0.094 R)
• M20: 11,856,678 km (0.084 R)
• M21: 12,684,852 km (0.114 R)
• M22: 13,923,074 km (0.119 R)
• M23: 14,455,642 km (0.113 R)
• M24: 15,969,722 km (0.07 R)
• M25: 16,553,154 km (0.077 R)
• M26: 20,648,396 km (0.07 R)
• M27: 23,724,577 km (0.09 R)
• M28: 43,432,899 km (0.099 R)
• M29: 59,374,796 km (0.043 R)
• M30: 71,847,968 km (0.086 R)
• M31: 73,434,453 km (0.113 R)
• M32: 76,677,286 km (0.075 R)
• M33: 77,148,220 km (0.076 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 19,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit