🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.8

Radius: 12.3

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.85 AU - 0.89 AU

Year: 516 Days

Day: 6.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 91.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,590,713 km

• M1: 153,338 km (0.062 R)
• M2: 925,412 km (0.076 R)
• M3: 1,347,877 km (0.084 R)
• M4: 2,103,795 km (0.101 R)
• M5: 3,137,367 km (0.108 R)
• M6: 3,664,250 km (0.11 R)
• M7: 4,649,053 km (0.074 R)
• M8: 5,269,884 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.7

Radius: 10.7

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.36 AU - 1.56 AU

Year: 1122 Days

Day: 9.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,590,713 km

• M1: 133,142 km (0.084 R)
• M2: 1,007,542 km (0.07 R)
• M3: 1,608,028 km (0.114 R)
• M4: 2,841,462 km (0.084 R)
• M5: 4,270,720 km (0.116 R)
• M6: 5,298,308 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689

Radius: 12.6

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.72 AU - 1.76 AU

Year: 1459 Days

Day: 14 Hours

Environment

Temp: -191 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,590,713 km

• M1: 162,762 km (0.097 R)
• M2: 673,789 km (0.09 R)
• M3: 2,082,103 km (0.053 R)
• M4: 2,710,265 km (0.055 R)
• M5: 3,201,843 km (0.118 R)
• M6: 3,605,309 km (0.097 R)
• M7: 4,148,947 km (0.094 R)
• M8: 5,190,747 km (0.053 R)
• M9: 6,115,860 km (0.086 R)
• M10: 7,045,013 km (0.081 R)
• M11: 9,972,493 km (0.095 R)
• M12: 11,435,860 km (0.097 R)
• M13: 12,576,394 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.9

Radius: 13

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.27 AU - 3.31 AU

Year: 2963 Days

Day: 7.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,590,713 km

• M1: 162,014 km (0.062 R)
• M2: 815,458 km (0.049 R)
• M3: 1,722,769 km (0.11 R)
• M4: 2,346,891 km (0.104 R)
• M5: 2,752,750 km (0.1 R)
• M6: 5,068,825 km (0.103 R)
• M7: 6,417,300 km (0.103 R)
• M8: 7,632,932 km (0.08 R)
• M9: 8,536,503 km (0.09 R)
• M10: 9,324,585 km (0.05 R)
• M11: 11,464,882 km (0.09 R)
• M12: 13,915,145 km (0.108 R)
• M13: 14,804,205 km (0.113 R)
• M14: 15,889,089 km (0.112 R)
• M15: 18,921,887 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.1

Radius: 8.6

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.51 AU - 3.81 AU

Year: 4452 Days

Day: 9.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,590,713 km

• M1: 107,710 km (0.079 R)
• M2: 421,417 km (0.12 R)
• M3: 1,168,060 km (0.113 R)
• M4: 1,797,718 km (0.096 R)
• M5: 2,442,484 km (0.116 R)
• M6: 2,746,767 km (0.093 R)
• M7: 3,432,374 km (0.092 R)
• M8: 3,815,793 km (0.116 R)
• M9: 4,378,430 km (0.105 R)
• M10: 5,067,478 km (0.096 R)
• M11: 6,954,506 km (0.088 R)
• M12: 7,444,140 km (0.08 R)
• M13: 7,891,288 km (0.059 R)
• M14: 8,595,594 km (0.103 R)
• M15: 10,361,897 km (0.11 R)
• M16: 10,798,573 km (0.109 R)
• M17: 11,965,436 km (0.07 R)
• M18: 12,401,963 km (0.094 R)
• M19: 12,848,961 km (0.091 R)
• M20: 13,539,654 km (0.068 R)
• M21: 13,822,843 km (0.066 R)
• M22: 16,021,483 km (0.097 R)
• M23: 16,498,252 km (0.104 R)
• M24: 17,872,757 km (0.084 R)
• M25: 20,166,840 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.9

Radius: 10.8

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.13 AU - 6.15 AU

Year: 8516 Days

Day: 11.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,590,713 km

• M1: 135,087 km (0.068 R)
• M2: 538,104 km (0.074 R)
• M3: 1,132,605 km (0.089 R)
• M4: 2,051,735 km (0.083 R)
• M5: 2,427,375 km (0.118 R)
• M6: 2,951,716 km (0.084 R)
• M7: 4,281,940 km (0.032 R)
• M8: 4,726,994 km (0.066 R)
• M9: 5,264,499 km (0.115 R)
• M10: 5,710,300 km (0.093 R)
• M11: 6,569,441 km (0.076 R)
• M12: 8,760,601 km (0.063 R)
• M13: 9,666,266 km (0.106 R)
• M14: 11,399,956 km (0.102 R)
• M15: 11,931,328 km (0.031 R)
• M16: 12,423,505 km (0.05 R)
• M17: 13,216,224 km (0.075 R)
• M18: 14,345,389 km (0.115 R)
• M19: 15,409,179 km (0.081 R)
• M20: 16,999,554 km (0.107 R)
• M21: 20,504,034 km (0.119 R)
• M22: 21,370,205 km (0.065 R)
• M23: 25,169,094 km (0.071 R)
• M24: 27,086,938 km (0.106 R)
• M25: 30,294,766 km (0.085 R)
• M26: 32,357,421 km (0.094 R)
• M27: 37,337,983 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.9

Radius: 8.8

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.31 AU - 6.27 AU

Year: 8858 Days

Day: 12.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,590,713 km

• M1: 149,149 km (0.081 R)
• M2: 487,539 km (0.106 R)
• M3: 764,146 km (0.055 R)
• M4: 1,346,830 km (0.069 R)
• M5: 2,425,131 km (0.102 R)
• M6: 7,576,085 km (0.097 R)
• M7: 9,577,854 km (0.115 R)
• M8: 10,317,017 km (0.088 R)
• M9: 12,007,323 km (0.116 R)
• M10: 16,227,779 km (0.09 R)
• M11: 16,778,000 km (0.103 R)
• M12: 17,786,738 km (0.093 R)
• M13: 18,768,549 km (0.119 R)
• M14: 19,511,153 km (0.092 R)
• M15: 21,783,245 km (0.043 R)
• M16: 23,911,125 km (0.114 R)
• M17: 24,623,510 km (0.1 R)
• M18: 26,424,519 km (0.038 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 19,558 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit