🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.53 AU - 0.57 AU

Year: 174 Days

Day: 24.2 Hours

Environment

Temp: 26 °C

Axial Tilt: 1.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 53,379,076 km

• M1: 192,832 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.52 AU - 0.64 AU

Year: 189 Days

Day: 45.2 Hours

Environment

Temp: 23 °C

Axial Tilt: 34.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.82 AU - 1 AU

Year: 371 Days

Day: 17.6 Hours

Environment

Temp: -45 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.16 AU - 1.72 AU

Year: 739 Days

Day: 36.3 Hours

Environment

Temp: -79 °C

Axial Tilt: 47.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.7

Radius: 9.3

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.68 AU - 3.66 AU

Year: 2413 Days

Day: 9.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,379,076 km

• M1: 115,639 km (0.071 R)
• M2: 503,397 km (0.041 R)
• M3: 1,083,388 km (0.033 R)
• M4: 1,689,708 km (0.103 R)
• M5: 2,064,301 km (0.058 R)
• M6: 2,589,689 km (0.065 R)
• M7: 3,169,979 km (0.041 R)
• M8: 3,926,047 km (0.083 R)
• M9: 5,721,221 km (0.06 R)
• M10: 6,162,235 km (0.075 R)
• M11: 6,520,971 km (0.084 R)
• M12: 7,798,537 km (0.05 R)
• M13: 8,434,178 km (0.118 R)
• M14: 9,604,034 km (0.081 R)
• M15: 11,138,908 km (0.111 R)
• M16: 12,182,503 km (0.102 R)
• M17: 13,080,090 km (0.04 R)
• M18: 15,846,454 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.7

Radius: 11.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.44 AU - 5 AU

Year: 3706 Days

Day: 5.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,379,076 km

• M1: 143,016 km (0.101 R)
• M2: 807,978 km (0.106 R)
• M3: 1,184,067 km (0.074 R)
• M4: 2,881,853 km (0.104 R)
• M5: 4,607,764 km (0.071 R)
• M6: 4,977,869 km (0.098 R)
• M7: 6,157,748 km (0.08 R)
• M8: 6,662,341 km (0.061 R)
• M9: 7,165,738 km (0.056 R)
• M10: 7,815,442 km (0.113 R)
• M11: 12,195,966 km (0.077 R)
• M12: 12,950,837 km (0.106 R)
• M13: 15,451,216 km (0.057 R)
• M14: 15,938,157 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.1

Radius: 9.5

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.46 AU - 6.14 AU

Year: 5971 Days

Day: 6.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,379,076 km

• M1: 118,332 km (0.113 R)
• M2: 533,316 km (0.118 R)
• M3: 1,873,863 km (0.106 R)
• M4: 2,262,668 km (0.108 R)
• M5: 4,476,567 km (0.118 R)
• M6: 5,350,517 km (0.095 R)
• M7: 5,762,061 km (0.116 R)
• M8: 7,592,092 km (0.094 R)
• M9: 9,704,713 km (0.058 R)
• M10: 11,369,737 km (0.03 R)
• M11: 11,792,651 km (0.102 R)
• M12: 12,896,084 km (0.074 R)
• M13: 13,496,421 km (0.118 R)
• M14: 14,505,309 km (0.111 R)
• M15: 17,330,016 km (0.071 R)
• M16: 17,890,559 km (0.101 R)
• M17: 20,814,001 km (0.112 R)
• M18: 21,447,548 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.7

Radius: 4.3

Gravity: 26 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 9.02 AU - 11.48 AU

Year: 14029 Days

Day: 20.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,379,076 km

• M1: 79,736 km (0.084 R)
• M2: 293,062 km (0.101 R)
• M3: 454,927 km (0.083 R)
• M4: 605,871 km (0.094 R)
• M5: 772,374 km (0.111 R)
• M6: 1,001,558 km (0.083 R)
• M7: 1,224,010 km (0.077 R)
• M8: 2,689,471 km (0.048 R)
• M9: 3,364,905 km (0.082 R)
• M10: 4,176,025 km (0.093 R)
• M11: 5,841,049 km (0.119 R)
• M12: 6,137,103 km (0.103 R)
• M13: 7,003,125 km (0.073 R)
• M14: 7,725,832 km (0.073 R)
• M15: 7,992,416 km (0.093 R)
• M16: 10,138,397 km (0.114 R)
• M17: 11,629,439 km (0.087 R)
• M18: 11,920,856 km (0.117 R)
• M19: 16,969,186 km (0.112 R)
• M20: 17,571,467 km (0.104 R)
• M21: 18,032,378 km (0.108 R)
• M22: 19,220,035 km (0.082 R)
• M23: 24,493,360 km (0.114 R)
• M24: 31,547,049 km (0.055 R)
• M25: 32,227,570 km (0.089 R)
• M26: 34,208,695 km (0.085 R)
• M27: 35,289,839 km (0.091 R)
• M28: 52,424,928 km (0.087 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 19,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit