🌌 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: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.5

Radius: 8.1

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.82 AU - 0.94 AU

Year: 542 Days

Day: 5.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,609,028 km

• M1: 100,679 km (0.105 R)
• M2: 476,469 km (0.082 R)
• M3: 729,738 km (0.095 R)
• M4: 1,099,544 km (0.104 R)
• M5: 1,511,238 km (0.094 R)
• M6: 1,876,556 km (0.106 R)
• M7: 2,223,623 km (0.052 R)
• M8: 3,166,837 km (0.097 R)
• M9: 3,582,121 km (0.036 R)
• M10: 4,090,455 km (0.104 R)
• M11: 4,354,794 km (0.1 R)
• M12: 5,049,227 km (0.11 R)
• M13: 5,528,389 km (0.112 R)
• M14: 6,093,869 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.4

Radius: 10.7

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.92 AU - 0.98 AU

Year: 607 Days

Day: 7.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,609,028 km

• M1: 133,142 km (0.102 R)
• M2: 501,452 km (0.044 R)
• M3: 942,915 km (0.119 R)
• M4: 1,306,737 km (0.06 R)
• M5: 1,879,548 km (0.112 R)
• M6: 2,331,632 km (0.115 R)
• M7: 2,866,146 km (0.114 R)
• M8: 3,293,547 km (0.106 R)
• M9: 3,916,622 km (0.069 R)
• M10: 4,346,566 km (0.113 R)
• M11: 4,928,352 km (0.093 R)
• M12: 5,610,818 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.6

Radius: 9.1

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.02 AU - 1.4 AU

Year: 873 Days

Day: 13.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,609,028 km

• M1: 113,096 km (0.112 R)
• M2: 421,866 km (0.118 R)
• M3: 842,236 km (0.11 R)
• M4: 1,433,297 km (0.104 R)
• M5: 1,858,454 km (0.084 R)
• M6: 2,686,778 km (0.115 R)
• M7: 3,803,376 km (0.087 R)
• M8: 4,090,305 km (0.062 R)
• M9: 4,445,600 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.6

Radius: 13.4

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.32 AU - 1.64 AU

Year: 1181 Days

Day: 6.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,609,028 km

• M1: 166,802 km (0.094 R)
• M2: 651,200 km (0.117 R)
• M3: 1,352,814 km (0.119 R)
• M4: 1,811,481 km (0.105 R)
• M5: 2,700,242 km (0.118 R)
• M6: 3,209,024 km (0.092 R)
• M7: 4,161,364 km (0.113 R)
• M8: 4,639,479 km (0.08 R)
• M9: 5,194,038 km (0.09 R)
• M10: 5,644,028 km (0.109 R)
• M11: 6,277,127 km (0.083 R)
• M12: 7,327,902 km (0.111 R)
• M13: 8,382,118 km (0.032 R)
• M14: 9,534,919 km (0.109 R)
• M15: 11,595,630 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.4

Radius: 8.4

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.7 AU - 2.32 AU

Year: 1869 Days

Day: 5.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,609,028 km

• M1: 104,419 km (0.025 R)
• M2: 408,402 km (0.049 R)
• M3: 679,922 km (0.041 R)
• M4: 973,284 km (0.091 R)
• M5: 1,281,605 km (0.11 R)
• M6: 1,573,171 km (0.103 R)
• M7: 1,868,777 km (0.051 R)
• M8: 2,258,629 km (0.096 R)
• M9: 3,015,295 km (0.045 R)
• M10: 3,337,379 km (0.114 R)
• M11: 3,863,664 km (0.103 R)
• M12: 4,631,251 km (0.032 R)
• M13: 5,328,078 km (0.101 R)
• M14: 5,756,676 km (0.116 R)
• M15: 6,561,811 km (0.097 R)
• M16: 7,866,903 km (0.045 R)
• M17: 10,249,997 km (0.104 R)
• M18: 11,394,870 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.8

Radius: 9.6

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.02 AU - 2.28 AU

Year: 2068 Days

Day: 13.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,609,028 km

• M1: 154,086 km (0.06 R)
• M2: 461,509 km (0.085 R)
• M3: 998,715 km (0.053 R)
• M4: 2,882,901 km (0.084 R)
• M5: 4,709,790 km (0.096 R)
• M6: 6,276,678 km (0.095 R)
• M7: 7,055,185 km (0.036 R)
• M8: 7,870,494 km (0.045 R)
• M9: 9,150,603 km (0.072 R)
• M10: 9,718,027 km (0.117 R)
• M11: 10,119,548 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.1

Radius: 11.5

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.38 AU - 2.44 AU

Year: 2454 Days

Day: 6.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 16,609,028 km

• M1: 143,016 km (0.103 R)
• M2: 963,560 km (0.069 R)
• M3: 2,044,853 km (0.079 R)
• M4: 2,431,713 km (0.113 R)
• M5: 4,500,054 km (0.094 R)
• M6: 5,482,014 km (0.07 R)
• M7: 6,761,525 km (0.081 R)
• M8: 8,323,177 km (0.098 R)
• M9: 10,042,505 km (0.097 R)
• M10: 14,215,986 km (0.093 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 19,046 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit