🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.5

Radius: 9.4

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.75 AU - 0.83 AU

Year: 461 Days

Day: 13.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,514,698 km

• M1: 116,986 km (0.102 R)
• M2: 427,551 km (0.079 R)
• M3: 742,604 km (0.115 R)
• M4: 1,111,512 km (0.106 R)
• M5: 1,588,131 km (0.106 R)
• M6: 2,046,499 km (0.112 R)
• M7: 2,611,829 km (0.092 R)
• M8: 2,987,619 km (0.035 R)
• M9: 3,782,133 km (0.11 R)
• M10: 4,514,116 km (0.11 R)
• M11: 4,914,140 km (0.081 R)
• M12: 6,073,225 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.3

Radius: 8

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.09 AU - 1.15 AU

Year: 778 Days

Day: 8.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,514,698 km

• M1: 99,483 km (0.086 R)
• M2: 458,368 km (0.09 R)
• M3: 814,710 km (0.08 R)
• M4: 1,224,309 km (0.109 R)
• M5: 1,683,724 km (0.106 R)
• M6: 1,976,786 km (0.117 R)
• M7: 2,622,451 km (0.116 R)
• M8: 2,982,383 km (0.109 R)
• M9: 3,716,460 km (0.088 R)
• M10: 4,581,884 km (0.099 R)
• M11: 5,464,511 km (0.103 R)
• M12: 5,840,002 km (0.099 R)
• M13: 6,093,121 km (0.103 R)
• M14: 6,435,401 km (0.108 R)
• M15: 6,747,911 km (0.112 R)
• M16: 7,048,752 km (0.108 R)
• M17: 7,608,398 km (0.094 R)
• M18: 7,958,158 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.4

Radius: 12.6

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.18 AU - 1.44 AU

Year: 984 Days

Day: 6.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,514,698 km

• M1: 157,078 km (0.106 R)
• M2: 612,753 km (0.107 R)
• M3: 1,011,730 km (0.053 R)
• M4: 1,496,278 km (0.069 R)
• M5: 2,375,913 km (0.066 R)
• M6: 3,111,636 km (0.101 R)
• M7: 3,842,421 km (0.108 R)
• M8: 4,699,168 km (0.117 R)
• M9: 5,438,182 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.2

Radius: 12.6

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.33 AU - 1.57 AU

Year: 1145 Days

Day: 5.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,514,698 km

• M1: 156,779 km (0.06 R)
• M2: 582,684 km (0.092 R)
• M3: 1,071,719 km (0.12 R)
• M4: 1,880,445 km (0.082 R)
• M5: 3,073,488 km (0.109 R)
• M6: 3,800,534 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.2

Radius: 13.9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.81 AU - 2.97 AU

Year: 2424 Days

Day: 11.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,514,698 km

• M1: 172,935 km (0.083 R)
• M2: 985,401 km (0.074 R)
• M3: 2,102,748 km (0.116 R)
• M4: 2,778,631 km (0.108 R)
• M5: 3,267,965 km (0.074 R)
• M6: 4,101,525 km (0.119 R)
• M7: 4,548,224 km (0.092 R)
• M8: 5,049,975 km (0.106 R)
• M9: 6,810,443 km (0.077 R)
• M10: 7,410,929 km (0.055 R)
• M11: 7,861,368 km (0.034 R)
• M12: 8,620,129 km (0.035 R)
• M13: 11,192,763 km (0.038 R)
• M14: 14,471,350 km (0.089 R)
• M15: 17,225,447 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.3

Radius: 10.6

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.47 AU - 3.07 AU

Year: 3024 Days

Day: 14.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,514,698 km

• M1: 132,095 km (0.105 R)
• M2: 462,257 km (0.029 R)
• M3: 807,679 km (0.115 R)
• M4: 1,162,076 km (0.076 R)
• M5: 1,492,239 km (0.12 R)
• M6: 1,833,322 km (0.104 R)
• M7: 2,636,662 km (0.036 R)
• M8: 4,367,061 km (0.074 R)
• M9: 6,101,349 km (0.059 R)
• M10: 6,675,506 km (0.074 R)
• M11: 7,042,320 km (0.103 R)
• M12: 7,561,873 km (0.06 R)
• M13: 8,018,895 km (0.039 R)
• M14: 9,307,232 km (0.065 R)
• M15: 10,274,083 km (0.077 R)
• M16: 10,657,801 km (0.079 R)
• M17: 11,715,757 km (0.098 R)
• M18: 13,003,197 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.7

Radius: 12.3

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.03 AU - 5.27 AU

Year: 7667 Days

Day: 10.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,514,698 km

• M1: 153,039 km (0.073 R)
• M2: 1,147,565 km (0.118 R)
• M3: 2,051,884 km (0.109 R)
• M4: 2,510,551 km (0.115 R)
• M5: 2,975,651 km (0.103 R)
• M6: 4,533,414 km (0.071 R)
• M7: 5,107,870 km (0.095 R)
• M8: 6,298,968 km (0.081 R)
• M9: 6,686,726 km (0.118 R)
• M10: 7,127,890 km (0.029 R)
• M11: 7,746,327 km (0.095 R)
• M12: 11,033,890 km (0.092 R)
• M13: 12,238,003 km (0.096 R)
• M14: 14,235,733 km (0.085 R)
• M15: 16,113,935 km (0.078 R)
• M16: 20,895,831 km (0.069 R)
• M17: 21,523,543 km (0.118 R)
• M18: 22,981,973 km (0.08 R)
• M19: 24,940,059 km (0.109 R)
• M20: 27,471,255 km (0.107 R)
• M21: 30,169,103 km (0.077 R)
• M22: 33,038,989 km (0.102 R)
• M23: 33,569,912 km (0.071 R)
• M24: 35,862,499 km (0.103 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: 322 - 13,744 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit