🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.77 AU - 0.87 AU

Year: 262 Days

Day: 41.9 Hours

Environment

Temp: 201 °C

Axial Tilt: 45.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.01 AU - 1.47 AU

Year: 488 Days

Day: 40.9 Hours

Environment

Temp: 32 °C

Axial Tilt: 2.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.06 AU - 2.38 AU

Year: 1168 Days

Day: 37.9 Hours

Environment

Temp: -69 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,489,241 km

• M1: 74,500 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.84 AU - 2.7 AU

Year: 1208 Days

Day: 40.9 Hours

Environment

Temp: -64 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,489,241 km

• M1: 1,166,564 km (0.12 R)

Asteroid Belt

Center: 5.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.5

Radius: 11.9

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.15 AU - 8.29 AU

Year: 8322 Days

Day: 12.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,489,241 km

• M1: 147,952 km (0.085 R)
• M2: 607,816 km (0.101 R)
• M3: 1,061,098 km (0.083 R)
• M4: 1,496,128 km (0.085 R)
• M5: 2,100,504 km (0.08 R)
• M6: 3,162,798 km (0.108 R)
• M7: 3,579,727 km (0.097 R)
• M8: 4,329,362 km (0.108 R)
• M9: 5,564,592 km (0.052 R)
• M10: 6,461,730 km (0.036 R)
• M11: 7,060,272 km (0.099 R)
• M12: 7,736,454 km (0.095 R)
• M13: 11,460,094 km (0.11 R)
• M14: 12,679,018 km (0.075 R)
• M15: 14,105,434 km (0.079 R)
• M16: 19,024,960 km (0.102 R)
• M17: 19,788,058 km (0.09 R)
• M18: 20,970,929 km (0.106 R)
• M19: 23,477,142 km (0.101 R)
• M20: 25,346,068 km (0.115 R)
• M21: 28,678,510 km (0.106 R)
• M22: 33,378,277 km (0.04 R)
• M23: 34,600,791 km (0.094 R)
• M24: 35,737,735 km (0.117 R)
• M25: 41,290,508 km (0.037 R)
• M26: 42,311,663 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.6

Radius: 10.8

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 11.09 AU - 12.59 AU

Year: 14386 Days

Day: 7.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 86,489,241 km

• M1: 134,339 km (0.09 R)
• M2: 506,987 km (0.084 R)
• M3: 988,842 km (0.079 R)
• M4: 1,550,283 km (0.087 R)
• M5: 2,396,408 km (0.081 R)
• M6: 3,165,042 km (0.108 R)
• M7: 4,520,698 km (0.105 R)
• M8: 5,222,611 km (0.104 R)
• M9: 5,880,692 km (0.095 R)
• M10: 8,334,247 km (0.105 R)
• M11: 8,977,368 km (0.05 R)
• M12: 11,642,454 km (0.111 R)
• M13: 13,353,405 km (0.106 R)
• M14: 14,096,458 km (0.062 R)
• M15: 14,513,237 km (0.062 R)
• M16: 17,425,758 km (0.071 R)
• M17: 18,395,153 km (0.051 R)
• M18: 22,729,601 km (0.103 R)
• M19: 26,737,927 km (0.041 R)
• M20: 29,808,872 km (0.034 R)
• M21: 30,611,913 km (0.077 R)
• M22: 32,622,060 km (0.088 R)
• M23: 36,381,604 km (0.094 R)
• M24: 37,430,883 km (0.044 R)
• M25: 37,829,562 km (0.116 R)
• M26: 38,365,421 km (0.082 R)
• M27: 42,116,588 km (0.115 R)
• M28: 46,716,872 km (0.102 R)
• M29: 54,483,844 km (0.084 R)
• M30: 61,579,869 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.9

Radius: 3.9

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 10.54 AU - 16.14 AU

Year: 17204 Days

Day: 17.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,489,241 km

• M1: 48,619 km (0.037 R)
• M2: 180,714 km (0.077 R)
• M3: 748,588 km (0.049 R)
• M4: 1,187,957 km (0.065 R)
• M5: 1,868,477 km (0.11 R)
• M6: 4,453,529 km (0.101 R)
• M7: 4,758,559 km (0.107 R)
• M8: 5,757,424 km (0.119 R)
• M9: 7,489,767 km (0.036 R)
• M10: 8,091,150 km (0.065 R)
• M11: 10,047,741 km (0.097 R)
• M12: 10,368,030 km (0.111 R)
• M13: 10,945,029 km (0.049 R)
• M14: 13,228,491 km (0.047 R)
• M15: 16,298,389 km (0.099 R)
• M16: 16,908,299 km (0.092 R)
• M17: 18,709,159 km (0.119 R)
• M18: 19,749,013 km (0.082 R)
• M19: 20,061,972 km (0.065 R)
• M20: 20,956,119 km (0.074 R)
• M21: 22,550,084 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.3

Radius: 7

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 15.52 AU - 22.9 AU

Year: 29730 Days

Day: 16.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,489,241 km

• M1: 134,638 km (0.087 R)
• M2: 933,790 km (0.104 R)
• M3: 1,266,645 km (0.109 R)
• M4: 3,759,843 km (0.107 R)
• M5: 3,985,287 km (0.064 R)
• M6: 4,570,963 km (0.091 R)
• M7: 5,869,323 km (0.096 R)
• M8: 6,626,587 km (0.085 R)
• M9: 7,052,941 km (0.086 R)
• M10: 16,088,204 km (0.045 R)
• M11: 16,945,100 km (0.066 R)
• M12: 20,679,063 km (0.1 R)
• M13: 22,736,932 km (0.034 R)
• M14: 23,924,888 km (0.042 R)
• M15: 29,723,003 km (0.094 R)
• M16: 41,723,445 km (0.116 R)
• M17: 44,324,952 km (0.111 R)
• M18: 48,251,297 km (0.038 R)
• M19: 68,692,350 km (0.104 R)
• M20: 71,166,400 km (0.096 R)

Kuiper Belt

Range: 31.1 - 49.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 14,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit