🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812

Radius: 12.5

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.57 AU - 0.65 AU

Year: 318 Days

Day: 13.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,149,315 km

• M1: 155,432 km (0.096 R)
• M2: 604,974 km (0.109 R)
• M3: 1,069,026 km (0.034 R)
• M4: 1,504,057 km (0.106 R)
• M5: 2,012,091 km (0.05 R)
• M6: 2,496,489 km (0.081 R)
• M7: 3,131,981 km (0.029 R)
• M8: 3,574,940 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.9

Radius: 8.4

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.59 AU - 0.69 AU

Year: 341 Days

Day: 8 Hours

Environment

Temp: -151 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,149,315 km

• M1: 105,766 km (0.119 R)
• M2: 455,675 km (0.031 R)
• M3: 748,588 km (0.066 R)
• M4: 1,220,868 km (0.054 R)
• M5: 1,573,022 km (0.036 R)
• M6: 1,915,750 km (0.106 R)
• M7: 2,328,042 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.6

Radius: 14.9

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.59 AU - 0.79 AU

Year: 382 Days

Day: 9.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 36,149,315 km

• M1: 185,352 km (0.064 R)
• M2: 744,848 km (0.081 R)
• M3: 1,286,392 km (0.106 R)
• M4: 2,083,898 km (0.07 R)
• M5: 3,076,031 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.8

Radius: 9.6

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.55 AU - 2.85 AU

Year: 2959 Days

Day: 5 Hours

Environment

Temp: -200 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,149,315 km

• M1: 119,379 km (0.099 R)
• M2: 442,511 km (0.087 R)
• M3: 1,076,656 km (0.075 R)
• M4: 1,477,429 km (0.119 R)
• M5: 1,894,208 km (0.117 R)
• M6: 2,689,022 km (0.067 R)
• M7: 5,016,914 km (0.066 R)
• M8: 5,417,088 km (0.083 R)
• M9: 5,889,369 km (0.085 R)
• M10: 6,746,864 km (0.086 R)
• M11: 8,185,995 km (0.105 R)
• M12: 9,569,028 km (0.106 R)
• M13: 9,892,458 km (0.118 R)
• M14: 11,378,863 km (0.063 R)
• M15: 11,905,896 km (0.108 R)
• M16: 13,052,713 km (0.099 R)
• M17: 14,364,687 km (0.116 R)
• M18: 14,694,101 km (0.107 R)
• M19: 15,962,242 km (0.035 R)
• M20: 16,264,879 km (0.091 R)
• M21: 16,622,867 km (0.087 R)
• M22: 18,492,541 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.3

Radius: 8.1

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.86 AU - 5.9 AU

Year: 7189 Days

Day: 9.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,149,315 km

• M1: 102,026 km (0.068 R)
• M2: 356,193 km (0.11 R)
• M3: 1,209,050 km (0.114 R)
• M4: 2,589,539 km (0.054 R)
• M5: 3,134,225 km (0.119 R)
• M6: 3,953,722 km (0.069 R)
• M7: 6,732,503 km (0.116 R)
• M8: 10,295,026 km (0.104 R)
• M9: 10,915,409 km (0.106 R)
• M10: 11,234,800 km (0.099 R)
• M11: 12,279,442 km (0.058 R)
• M12: 13,283,992 km (0.067 R)
• M13: 13,753,579 km (0.048 R)
• M14: 15,456,003 km (0.119 R)
• M15: 18,945,074 km (0.087 R)
• M16: 20,767,476 km (0.08 R)
• M17: 25,628,509 km (0.109 R)
• M18: 27,937,851 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271

Radius: 8.5

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.42 AU - 5.5 AU

Year: 7366 Days

Day: 10.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,149,315 km

• M1: 123,867 km (0.104 R)
• M2: 608,265 km (0.08 R)
• M3: 1,613,712 km (0.06 R)
• M4: 2,033,633 km (0.112 R)
• M5: 2,331,932 km (0.11 R)
• M6: 2,676,904 km (0.05 R)
• M7: 3,055,686 km (0.113 R)
• M8: 6,008,449 km (0.052 R)
• M9: 8,939,221 km (0.096 R)
• M10: 9,540,305 km (0.083 R)
• M11: 10,426,972 km (0.098 R)
• M12: 12,807,523 km (0.078 R)
• M13: 14,419,440 km (0.111 R)
• M14: 15,022,618 km (0.101 R)
• M15: 18,548,790 km (0.102 R)
• M16: 19,065,800 km (0.117 R)
• M17: 20,128,842 km (0.086 R)
• M18: 22,155,295 km (0.066 R)
• M19: 25,962,262 km (0.089 R)
• M20: 26,446,660 km (0.119 R)
• M21: 28,615,081 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.3

Radius: 8.5

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.68 AU - 5.36 AU

Year: 7500 Days

Day: 13.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,149,315 km

• M1: 105,766 km (0.111 R)
• M2: 479,162 km (0.101 R)
• M3: 905,516 km (0.101 R)
• M4: 1,377,647 km (0.106 R)
• M5: 3,871,742 km (0.104 R)
• M6: 4,372,147 km (0.117 R)
• M7: 4,775,314 km (0.11 R)
• M8: 7,321,769 km (0.069 R)
• M9: 9,378,291 km (0.11 R)
• M10: 9,687,809 km (0.097 R)
• M11: 12,153,481 km (0.091 R)
• M12: 12,521,791 km (0.08 R)
• M13: 15,009,454 km (0.044 R)
• M14: 15,433,564 km (0.081 R)
• M15: 19,761,729 km (0.04 R)
• M16: 21,089,709 km (0.116 R)
• M17: 22,007,492 km (0.08 R)
• M18: 31,302,307 km (0.052 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: 345 - 15,644 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit