🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.68 AU - 0.8 AU

Year: 270 Days

Day: 13.6 Hours

Environment

Temp: -9 °C

Axial Tilt: 110.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.9 AU - 1.5 AU

Year: 558 Days

Day: 23.2 Hours

Environment

Temp: -69 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.91 AU - 2.07 AU

Year: 1192 Days

Day: 36.3 Hours

Environment

Temp: -109 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.08 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563

Radius: 10.4

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.21 AU - 5.11 AU

Year: 3603 Days

Day: 12.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,613,281 km

• M1: 130,150 km (0.056 R)
• M2: 559,496 km (0.045 R)
• M3: 898,186 km (0.103 R)
• M4: 1,228,498 km (0.103 R)
• M5: 2,094,370 km (0.084 R)
• M6: 2,804,960 km (0.09 R)
• M7: 4,163,010 km (0.056 R)
• M8: 4,866,568 km (0.11 R)
• M9: 6,568,843 km (0.1 R)
• M10: 6,927,578 km (0.089 R)
• M11: 8,049,562 km (0.051 R)
• M12: 9,703,217 km (0.074 R)
• M13: 10,288,444 km (0.086 R)
• M14: 10,732,450 km (0.1 R)
• M15: 11,063,361 km (0.067 R)
• M16: 12,775,359 km (0.1 R)
• M17: 15,219,938 km (0.106 R)
• M18: 20,631,342 km (0.077 R)
• M19: 21,533,865 km (0.062 R)
• M20: 21,994,926 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.8

Radius: 11.6

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.21 AU - 5.27 AU

Year: 3707 Days

Day: 9.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 150.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,613,281 km

• M1: 144,811 km (0.114 R)
• M2: 726,447 km (0.04 R)
• M3: 1,377,348 km (0.118 R)
• M4: 2,582,807 km (0.103 R)
• M5: 4,349,408 km (0.073 R)
• M6: 4,754,669 km (0.105 R)
• M7: 5,720,174 km (0.053 R)
• M8: 8,137,675 km (0.057 R)
• M9: 9,004,595 km (0.058 R)
• M10: 10,799,769 km (0.099 R)
• M11: 12,731,527 km (0.076 R)
• M12: 13,236,868 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.8

Radius: 10.4

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.42 AU - 6.76 AU

Year: 7183 Days

Day: 13 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,613,281 km

• M1: 129,402 km (0.087 R)
• M2: 714,779 km (0.067 R)
• M3: 1,095,804 km (0.108 R)
• M4: 2,443,083 km (0.11 R)
• M5: 3,251,211 km (0.094 R)
• M6: 4,003,987 km (0.108 R)
• M7: 4,567,672 km (0.05 R)
• M8: 6,343,249 km (0.117 R)
• M9: 6,719,488 km (0.105 R)
• M10: 7,146,739 km (0.06 R)
• M11: 7,479,146 km (0.068 R)
• M12: 11,248,114 km (0.061 R)
• M13: 12,743,644 km (0.076 R)
• M14: 18,432,253 km (0.093 R)
• M15: 18,918,745 km (0.109 R)
• M16: 19,342,556 km (0.088 R)
• M17: 20,726,486 km (0.08 R)
• M18: 22,175,491 km (0.112 R)
• M19: 23,772,448 km (0.112 R)
• M20: 24,266,121 km (0.069 R)
• M21: 25,019,496 km (0.07 R)
• M22: 25,530,223 km (0.08 R)
• M23: 26,309,628 km (0.091 R)
• M24: 27,734,099 km (0.075 R)
• M25: 30,930,706 km (0.109 R)
• M26: 32,215,303 km (0.1 R)
• M27: 32,718,700 km (0.106 R)
• M28: 33,741,351 km (0.109 R)
• M29: 36,173,962 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.7

Radius: 14

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.14 AU - 9.28 AU

Year: 9988 Days

Day: 12.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 176.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,613,281 km

• M1: 186,997 km (0.117 R)
• M2: 802,144 km (0.093 R)
• M3: 1,358,498 km (0.071 R)
• M4: 2,351,379 km (0.04 R)
• M5: 3,067,953 km (0.095 R)
• M6: 5,374,603 km (0.119 R)
• M7: 5,961,176 km (0.102 R)
• M8: 6,624,343 km (0.086 R)
• M9: 7,749,618 km (0.074 R)
• M10: 8,378,378 km (0.114 R)
• M11: 9,212,237 km (0.115 R)
• M12: 10,996,790 km (0.101 R)
• M13: 12,572,055 km (0.037 R)
• M14: 13,220,562 km (0.092 R)
• M15: 14,526,252 km (0.091 R)
• M16: 15,978,549 km (0.106 R)
• M17: 22,371,913 km (0.092 R)
• M18: 27,233,096 km (0.109 R)
• M19: 30,969,003 km (0.079 R)
• M20: 33,470,130 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.4

Radius: 5.8

Gravity: 16.42 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 12.79 AU - 12.85 AU

Year: 19490 Days

Day: 16.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 69,613,281 km

• M1: 84,972 km (0.105 R)
• M2: 267,032 km (0.073 R)
• M3: 636,838 km (0.091 R)
• M4: 822,788 km (0.044 R)
• M5: 1,550,133 km (0.082 R)
• M6: 1,750,744 km (0.109 R)
• M7: 2,025,854 km (0.107 R)
• M8: 2,350,781 km (0.076 R)
• M9: 2,709,965 km (0.108 R)
• M10: 3,157,113 km (0.097 R)
• M11: 3,371,038 km (0.095 R)
• M12: 3,979,154 km (0.089 R)
• M13: 4,390,548 km (0.111 R)
• M14: 5,601,094 km (0.092 R)
• M15: 6,158,944 km (0.108 R)
• M16: 6,796,979 km (0.103 R)
• M17: 9,515,621 km (0.077 R)
• M18: 10,840,909 km (0.111 R)
• M19: 11,329,346 km (0.065 R)
• M20: 14,137,597 km (0.11 R)
• M21: 15,319,420 km (0.092 R)
• M22: 16,887,505 km (0.055 R)
• M23: 17,710,294 km (0.069 R)
• M24: 22,228,748 km (0.069 R)
• M25: 25,172,535 km (0.109 R)
• M26: 26,682,575 km (0.117 R)
• M27: 31,573,229 km (0.106 R)
• M28: 32,567,905 km (0.08 R)
• M29: 35,543,856 km (0.079 R)
• M30: 37,579,434 km (0.08 R)
• M31: 39,691,307 km (0.119 R)
• M32: 40,267,558 km (0.114 R)
• M33: 43,996,285 km (0.093 R)
• M34: 50,262,341 km (0.098 R)
• M35: 52,476,390 km (0.11 R)
• M36: 55,648,014 km (0.075 R)
• M37: 56,915,108 km (0.052 R)
• M38: 57,280,576 km (0.051 R)
• M39: 60,641,292 km (0.081 R)
• M40: 61,213,953 km (0.055 R)
• M41: 67,343,576 km (0.041 R)
• M42: 67,547,777 km (0.057 R)
• M43: 68,163,073 km (0.054 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 11,035 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit