🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.51 AU - 0.69 AU

Year: 197 Days

Day: 23 Hours

Environment

Temp: 26 °C

Axial Tilt: 31.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.9 AU - 0.94 AU

Year: 375 Days

Day: 14.4 Hours

Environment

Temp: -47 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.95 AU - 1.49 AU

Year: 572 Days

Day: 26.7 Hours

Environment

Temp: -74 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,978,012 km

• M1: 36,951 km (0.084 R)
• M2: 205,099 km (0.098 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.66 AU - 2.38 AU

Year: 1219 Days

Day: 44.3 Hours

Environment

Temp: -117 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.09 AU - 2.39 AU

Year: 1423 Days

Day: 26.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,978,012 km

• M1: 30,069 km (0.099 R)

Asteroid Belt

Center: 2.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444

Radius: 14.2

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.83 AU - 3.63 AU

Year: 2465 Days

Day: 12.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,978,012 km

• M1: 176,525 km (0.063 R)
• M2: 657,183 km (0.113 R)
• M3: 1,111,512 km (0.092 R)
• M4: 1,851,274 km (0.062 R)
• M5: 3,439,255 km (0.065 R)
• M6: 4,772,022 km (0.105 R)
• M7: 5,545,144 km (0.096 R)
• M8: 6,147,276 km (0.037 R)
• M9: 7,091,238 km (0.09 R)
• M10: 11,019,978 km (0.076 R)
• M11: 13,876,100 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.8

Radius: 10.3

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.6 AU - 4.14 AU

Year: 2627 Days

Day: 12.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,978,012 km

• M1: 133,142 km (0.047 R)
• M2: 462,706 km (0.094 R)
• M3: 1,601,744 km (0.089 R)
• M4: 2,790,299 km (0.104 R)
• M5: 3,234,007 km (0.068 R)
• M6: 3,968,832 km (0.112 R)
• M7: 4,811,068 km (0.055 R)
• M8: 5,193,739 km (0.119 R)
• M9: 5,893,408 km (0.038 R)
• M10: 6,709,614 km (0.082 R)
• M11: 7,362,609 km (0.087 R)
• M12: 7,933,474 km (0.059 R)
• M13: 8,501,348 km (0.097 R)
• M14: 9,197,726 km (0.116 R)
• M15: 9,753,632 km (0.101 R)
• M16: 12,790,169 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.6

Radius: 8.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.76 AU - 4.36 AU

Year: 3473 Days

Day: 13.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 175.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,978,012 km

• M1: 403,316 km (0.113 R)
• M2: 865,124 km (0.113 R)
• M3: 1,173,296 km (0.032 R)
• M4: 1,526,646 km (0.115 R)
• M5: 1,894,507 km (0.094 R)
• M6: 3,110,589 km (0.111 R)
• M7: 4,414,783 km (0.112 R)
• M8: 6,248,404 km (0.096 R)
• M9: 7,616,327 km (0.102 R)
• M10: 7,906,397 km (0.088 R)
• M11: 10,642,841 km (0.1 R)
• M12: 11,603,858 km (0.039 R)
• M13: 12,341,824 km (0.095 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945

Radius: 12.2

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 9.08 AU - 9.32 AU

Year: 11848 Days

Day: 12.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,978,012 km

• M1: 151,692 km (0.084 R)
• M2: 566,976 km (0.12 R)
• M3: 1,006,794 km (0.099 R)
• M4: 1,473,988 km (0.082 R)
• M5: 1,927,120 km (0.045 R)
• M6: 3,659,762 km (0.083 R)
• M7: 5,193,739 km (0.113 R)
• M8: 6,143,685 km (0.037 R)
• M9: 6,742,526 km (0.043 R)
• M10: 7,379,962 km (0.089 R)
• M11: 8,339,483 km (0.09 R)
• M12: 8,874,295 km (0.095 R)
• M13: 9,693,194 km (0.111 R)
• M14: 12,705,198 km (0.076 R)
• M15: 15,053,435 km (0.113 R)
• M16: 16,367,503 km (0.106 R)
• M17: 20,768,672 km (0.095 R)
• M18: 23,050,788 km (0.103 R)
• M19: 23,815,083 km (0.074 R)
• M20: 24,893,385 km (0.093 R)
• M21: 25,495,217 km (0.111 R)
• M22: 26,004,149 km (0.097 R)
• M23: 29,758,308 km (0.083 R)
• M24: 30,209,196 km (0.111 R)
• M25: 33,737,312 km (0.079 R)
• M26: 35,348,182 km (0.104 R)
• M27: 43,452,198 km (0.085 R)
• M28: 56,242,516 km (0.069 R)
• M29: 59,034,910 km (0.105 R)

Asteroid Belt

Center: 11.96 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 14.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.8

Radius: 3.1

Gravity: 35.36 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 11.66 AU - 17.78 AU

Year: 23979 Days

Day: 19.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 67,978,012 km

• M1: 38,895 km (0.112 R)
• M2: 237,262 km (0.065 R)
• M3: 390,301 km (0.071 R)
• M4: 542,292 km (0.069 R)
• M5: 695,032 km (0.1 R)
• M6: 977,772 km (0.076 R)
• M7: 1,947,315 km (0.115 R)
• M8: 2,370,827 km (0.12 R)
• M9: 3,234,755 km (0.101 R)
• M10: 7,982,692 km (0.082 R)
• M11: 9,427,059 km (0.059 R)
• M12: 9,591,318 km (0.041 R)
• M13: 11,779,037 km (0.054 R)
• M14: 12,227,382 km (0.117 R)
• M15: 12,554,403 km (0.116 R)
• M16: 12,820,238 km (0.114 R)
• M17: 13,157,731 km (0.096 R)
• M18: 14,062,948 km (0.1 R)
• M19: 16,074,291 km (0.104 R)
• M20: 16,387,699 km (0.109 R)
• M21: 18,610,424 km (0.087 R)
• M22: 20,108,497 km (0.053 R)
• M23: 20,655,726 km (0.095 R)
• M24: 21,026,130 km (0.119 R)
• M25: 21,212,978 km (0.108 R)
• M26: 23,844,704 km (0.073 R)
• M27: 25,821,789 km (0.113 R)
• M28: 26,576,959 km (0.105 R)
• M29: 28,018,185 km (0.083 R)
• M30: 29,627,559 km (0.032 R)
• M31: 31,176,196 km (0.104 R)
• M32: 31,541,065 km (0.081 R)
• M33: 41,321,625 km (0.097 R)
• M34: 43,554,074 km (0.053 R)
• M35: 46,022,439 km (0.115 R)
• M36: 49,236,998 km (0.095 R)
• M37: 49,731,718 km (0.076 R)
• M38: 50,731,032 km (0.103 R)
• M39: 51,067,178 km (0.051 R)
• M40: 52,769,901 km (0.11 R)
• M41: 57,738,046 km (0.104 R)
• M42: 57,921,004 km (0.109 R)
• M43: 59,026,981 km (0.101 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 13,442 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit