🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.54 AU - 0.8 AU

Year: 360 Days

Day: 21.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 79,881,860 km

• M1: 35,155 km (0.103 R)
• M2: 65,524 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.8

Radius: 9.5

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.79 AU - 1.21 AU

Year: 656 Days

Day: 12.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,881,860 km

• M1: 118,182 km (0.118 R)
• M2: 416,480 km (0.09 R)
• M3: 810,820 km (0.074 R)
• M4: 1,146,817 km (0.074 R)
• M5: 1,649,017 km (0.073 R)
• M6: 2,386,535 km (0.065 R)
• M7: 2,684,534 km (0.066 R)
• M8: 3,146,492 km (0.12 R)
• M9: 3,506,275 km (0.116 R)
• M10: 4,013,711 km (0.096 R)
• M11: 4,857,443 km (0.071 R)
• M12: 6,072,926 km (0.081 R)
• M13: 7,410,929 km (0.08 R)
• M14: 7,857,927 km (0.095 R)
• M15: 8,248,079 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124

Radius: 12

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.39 AU - 1.69 AU

Year: 1254 Days

Day: 8.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,881,860 km

• M1: 149,299 km (0.114 R)
• M2: 531,222 km (0.115 R)
• M3: 930,798 km (0.088 R)
• M4: 1,598,453 km (0.053 R)
• M5: 2,165,130 km (0.076 R)
• M6: 3,798,589 km (0.11 R)
• M7: 4,478,511 km (0.119 R)
• M8: 5,171,598 km (0.059 R)
• M9: 5,826,687 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.7

Radius: 10.7

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.07 AU - 3.29 AU

Year: 2878 Days

Day: 6.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,881,860 km

• M1: 133,142 km (0.042 R)
• M2: 784,342 km (0.067 R)
• M3: 2,026,453 km (0.106 R)
• M4: 2,608,239 km (0.085 R)
• M5: 3,180,900 km (0.108 R)
• M6: 4,185,748 km (0.063 R)
• M7: 5,132,553 km (0.085 R)
• M8: 6,840,363 km (0.057 R)
• M9: 7,328,201 km (0.113 R)
• M10: 8,798,599 km (0.098 R)
• M11: 9,376,196 km (0.115 R)
• M12: 10,873,372 km (0.061 R)
• M13: 11,459,047 km (0.081 R)
• M14: 12,397,924 km (0.069 R)
• M15: 15,620,411 km (0.055 R)
• M16: 16,265,627 km (0.104 R)
• M17: 16,722,648 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.7

Radius: 4.5

Gravity: 26.6 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 10.26 AU - 11.94 AU

Year: 24260 Days

Day: 16.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 121.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 79,881,860 km

• M1: 56,249 km (0.039 R)
• M2: 336,296 km (0.03 R)
• M3: 483,800 km (0.075 R)
• M4: 1,187,358 km (0.12 R)
• M5: 1,364,033 km (0.092 R)
• M6: 1,716,037 km (0.074 R)
• M7: 2,434,107 km (0.043 R)
• M8: 2,721,036 km (0.101 R)
• M9: 4,034,206 km (0.079 R)
• M10: 4,367,360 km (0.11 R)
• M11: 5,164,866 km (0.102 R)
• M12: 6,491,650 km (0.12 R)
• M13: 6,717,692 km (0.064 R)
• M14: 7,876,627 km (0.099 R)
• M15: 8,719,611 km (0.051 R)
• M16: 10,034,128 km (0.092 R)
• M17: 11,806,114 km (0.096 R)
• M18: 13,999,668 km (0.104 R)
• M19: 14,453,548 km (0.065 R)
• M20: 16,870,900 km (0.065 R)
• M21: 17,820,846 km (0.104 R)
• M22: 17,997,222 km (0.111 R)
• M23: 18,533,680 km (0.103 R)
• M24: 18,805,948 km (0.089 R)
• M25: 19,921,350 km (0.074 R)
• M26: 21,080,135 km (0.086 R)
• M27: 21,476,121 km (0.119 R)
• M28: 24,172,323 km (0.116 R)
• M29: 24,606,157 km (0.1 R)
• M30: 24,825,019 km (0.057 R)
• M31: 25,155,780 km (0.088 R)
• M32: 31,881,550 km (0.077 R)
• M33: 32,534,695 km (0.047 R)
• M34: 35,236,133 km (0.102 R)
• M35: 35,934,157 km (0.107 R)
• M36: 37,502,092 km (0.113 R)
• M37: 42,635,992 km (0.088 R)
• M38: 51,007,040 km (0.105 R)
• M39: 53,900,562 km (0.086 R)
• M40: 61,007,208 km (0.113 R)
• M41: 62,825,571 km (0.112 R)
• M42: 67,421,666 km (0.116 R)
• M43: 70,680,805 km (0.068 R)
• M44: 77,276,426 km (0.092 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 15,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit