🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.52 AU - 0.64 AU

Year: 166 Days

Day: 32.8 Hours

Environment

Temp: 156 °C

Axial Tilt: 3.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.18 AU - 5.06 AU

Year: 3134 Days

Day: 21.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,366,681 km

• M1: 43,982 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.16 AU - 4.16 AU

Year: 3180 Days

Day: 35 Hours

Environment

Temp: -143 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,366,681 km

• M1: 92,451 km (0.115 R)

Asteroid Belt

Center: 6.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.7

Radius: 13.6

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.31 AU - 8.59 AU

Year: 8400 Days

Day: 11.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,366,681 km

• M1: 185,651 km (0.098 R)
• M2: 818,899 km (0.083 R)
• M3: 1,342,491 km (0.081 R)
• M4: 1,858,305 km (0.072 R)
• M5: 2,754,994 km (0.077 R)
• M6: 4,155,679 km (0.066 R)
• M7: 4,620,480 km (0.119 R)
• M8: 5,089,619 km (0.094 R)
• M9: 5,590,772 km (0.076 R)
• M10: 6,475,643 km (0.092 R)
• M11: 7,218,247 km (0.031 R)
• M12: 8,183,752 km (0.094 R)
• M13: 12,924,658 km (0.08 R)
• M14: 13,802,049 km (0.082 R)
• M15: 15,675,762 km (0.095 R)
• M16: 17,572,514 km (0.086 R)
• M17: 18,503,312 km (0.103 R)
• M18: 20,385,552 km (0.116 R)
• M19: 22,893,112 km (0.109 R)
• M20: 23,401,146 km (0.114 R)
• M21: 23,830,342 km (0.098 R)
• M22: 24,264,775 km (0.118 R)
• M23: 31,018,819 km (0.117 R)
• M24: 32,697,307 km (0.085 R)
• M25: 33,234,065 km (0.091 R)
• M26: 36,120,705 km (0.109 R)
• M27: 39,897,902 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.3

Radius: 12.7

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 9.41 AU - 10.11 AU

Year: 11426 Days

Day: 13 Hours

Environment

Temp: -175 °C

Axial Tilt: 118.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,366,681 km

• M1: 157,975 km (0.064 R)
• M2: 604,375 km (0.045 R)
• M3: 1,419,385 km (0.067 R)
• M4: 1,890,169 km (0.081 R)
• M5: 2,368,284 km (0.091 R)
• M6: 2,860,760 km (0.051 R)
• M7: 4,139,672 km (0.101 R)
• M8: 5,052,967 km (0.092 R)
• M9: 6,208,012 km (0.101 R)
• M10: 8,891,349 km (0.093 R)
• M11: 11,228,966 km (0.107 R)
• M12: 12,570,111 km (0.095 R)
• M13: 13,185,407 km (0.066 R)
• M14: 15,850,194 km (0.112 R)
• M15: 20,576,888 km (0.079 R)
• M16: 22,940,684 km (0.092 R)
• M17: 24,996,607 km (0.096 R)
• M18: 25,675,632 km (0.107 R)
• M19: 26,667,167 km (0.077 R)
• M20: 27,376,410 km (0.116 R)
• M21: 28,516,047 km (0.093 R)
• M22: 32,011,551 km (0.116 R)
• M23: 36,398,060 km (0.12 R)
• M24: 45,908,146 km (0.085 R)
• M25: 47,073,663 km (0.096 R)
• M26: 48,558,272 km (0.087 R)
• M27: 51,933,798 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446

Radius: 3

Gravity: 49.56 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 11.97 AU - 19.57 AU

Year: 23468 Days

Day: 23.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,366,681 km

• M1: 39,045 km (0.101 R)
• M2: 173,833 km (0.076 R)
• M3: 349,012 km (0.071 R)
• M4: 516,861 km (0.075 R)
• M5: 669,002 km (0.071 R)
• M6: 1,013,526 km (0.119 R)
• M7: 1,238,970 km (0.057 R)
• M8: 1,386,623 km (0.119 R)
• M9: 1,900,791 km (0.111 R)
• M10: 2,158,996 km (0.119 R)
• M11: 2,531,346 km (0.036 R)
• M12: 5,017,662 km (0.102 R)
• M13: 7,995,857 km (0.098 R)
• M14: 8,403,062 km (0.102 R)
• M15: 9,937,188 km (0.088 R)
• M16: 12,777,603 km (0.047 R)
• M17: 14,123,834 km (0.068 R)
• M18: 17,768,637 km (0.102 R)
• M19: 18,991,150 km (0.118 R)
• M20: 20,361,916 km (0.099 R)
• M21: 24,867,355 km (0.106 R)
• M22: 26,616,752 km (0.104 R)
• M23: 27,750,854 km (0.083 R)
• M24: 40,765,270 km (0.072 R)
• M25: 41,966,092 km (0.107 R)
• M26: 54,932,637 km (0.085 R)
• M27: 58,830,260 km (0.047 R)
• M28: 68,212,739 km (0.06 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 18,506 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit