🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.2

Radius: 10.4

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.53 AU - 0.79 AU

Year: 364 Days

Day: 11.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,135,348 km

• M1: 129,701 km (0.112 R)
• M2: 492,626 km (0.098 R)
• M3: 844,330 km (0.107 R)
• M4: 1,427,612 km (0.102 R)
• M5: 1,857,407 km (0.083 R)
• M6: 2,246,511 km (0.1 R)
• M7: 2,650,126 km (0.069 R)
• M8: 3,805,770 km (0.042 R)
• M9: 4,525,485 km (0.092 R)
• M10: 5,317,606 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.3

Radius: 9.9

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.54 AU - 0.82 AU

Year: 380 Days

Day: 8.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,135,348 km

• M1: 124,765 km (0.041 R)
• M2: 459,864 km (0.113 R)
• M3: 806,482 km (0.11 R)
• M4: 1,316,760 km (0.065 R)
• M5: 2,680,495 km (0.065 R)
• M6: 3,414,272 km (0.102 R)
• M7: 4,617,488 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.8

Radius: 14

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.9 AU - 0.94 AU

Year: 599 Days

Day: 13 Hours

Environment

Temp: -168 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,135,348 km

• M1: 176,226 km (0.064 R)
• M2: 670,647 km (0.115 R)
• M3: 1,113,307 km (0.08 R)
• M4: 1,590,076 km (0.077 R)
• M5: 2,028,846 km (0.119 R)
• M6: 3,074,386 km (0.114 R)
• M7: 3,726,483 km (0.12 R)
• M8: 4,206,243 km (0.083 R)
• M9: 4,727,442 km (0.042 R)
• M10: 5,309,528 km (0.115 R)
• M11: 6,035,975 km (0.094 R)
• M12: 7,020,179 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.1

Radius: 14.6

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.72 AU - 1.74 AU

Year: 1543 Days

Day: 6.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,135,348 km

• M1: 181,612 km (0.066 R)
• M2: 650,003 km (0.053 R)
• M3: 1,171,950 km (0.091 R)
• M4: 1,850,675 km (0.052 R)
• M5: 2,537,629 km (0.073 R)
• M6: 3,194,363 km (0.119 R)
• M7: 4,656,832 km (0.034 R)
• M8: 5,281,852 km (0.091 R)
• M9: 6,432,260 km (0.111 R)
• M10: 8,390,795 km (0.1 R)
• M11: 10,927,227 km (0.108 R)
• M12: 12,944,105 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.3

Radius: 11.7

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.48 AU - 2.24 AU

Year: 1721 Days

Day: 7.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,135,348 km

• M1: 146,606 km (0.091 R)
• M2: 555,008 km (0.059 R)
• M3: 922,420 km (0.108 R)
• M4: 1,361,341 km (0.067 R)
• M5: 2,510,701 km (0.112 R)
• M6: 3,614,733 km (0.076 R)
• M7: 5,617,400 km (0.047 R)
• M8: 6,050,935 km (0.08 R)
• M9: 6,531,593 km (0.027 R)
• M10: 6,959,891 km (0.102 R)
• M11: 7,515,049 km (0.109 R)
• M12: 9,048,278 km (0.06 R)
• M13: 11,780,533 km (0.097 R)
• M14: 13,195,131 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.1

Radius: 14.4

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.54 AU - 3.18 AU

Year: 3281 Days

Day: 6.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,135,348 km

• M1: 179,069 km (0.05 R)
• M2: 934,538 km (0.094 R)
• M3: 1,678,787 km (0.086 R)
• M4: 2,432,611 km (0.1 R)
• M5: 3,630,292 km (0.06 R)
• M6: 4,284,034 km (0.092 R)
• M7: 5,829,081 km (0.084 R)
• M8: 8,169,689 km (0.075 R)
• M9: 9,297,508 km (0.082 R)
• M10: 10,178,340 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760

Radius: 13.5

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.73 AU - 3.89 AU

Year: 4084 Days

Day: 15 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,135,348 km

• M1: 168,896 km (0.046 R)
• M2: 708,196 km (0.111 R)
• M3: 1,312,123 km (0.097 R)
• M4: 1,778,270 km (0.058 R)
• M5: 2,222,725 km (0.113 R)
• M6: 3,421,004 km (0.052 R)
• M7: 4,809,123 km (0.056 R)
• M8: 7,185,186 km (0.088 R)
• M9: 9,360,788 km (0.12 R)
• M10: 10,772,692 km (0.097 R)
• M11: 14,016,124 km (0.051 R)
• M12: 15,860,217 km (0.105 R)
• M13: 16,840,681 km (0.064 R)
• M14: 17,315,954 km (0.114 R)
• M15: 18,355,509 km (0.067 R)
• M16: 19,762,178 km (0.045 R)
• M17: 21,864,776 km (0.05 R)
• M18: 24,262,680 km (0.118 R)
• M19: 25,408,600 km (0.117 R)
• M20: 26,271,780 km (0.11 R)
• M21: 27,316,870 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.6

Radius: 8.7

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.33 AU - 3.93 AU

Year: 4691 Days

Day: 5.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 30,135,348 km

• M1: 108,159 km (0.083 R)
• M2: 544,387 km (0.067 R)
• M3: 886,966 km (0.104 R)
• M4: 1,319,902 km (0.09 R)
• M5: 1,916,947 km (0.115 R)
• M6: 2,332,829 km (0.114 R)
• M7: 3,146,791 km (0.067 R)
• M8: 3,470,671 km (0.094 R)
• M9: 4,044,678 km (0.092 R)
• M10: 4,379,178 km (0.086 R)
• M11: 5,186,109 km (0.1 R)
• M12: 5,523,901 km (0.051 R)
• M13: 7,979,700 km (0.066 R)
• M14: 8,392,590 km (0.036 R)
• M15: 8,819,542 km (0.086 R)
• M16: 9,466,703 km (0.071 R)
• M17: 10,900,748 km (0.106 R)
• M18: 11,789,210 km (0.107 R)
• M19: 12,177,566 km (0.078 R)
• M20: 15,482,033 km (0.118 R)
• M21: 16,184,395 km (0.103 R)
• M22: 18,810,137 km (0.038 R)
• M23: 21,419,423 km (0.114 R)
• M24: 21,707,399 km (0.105 R)
• M25: 22,144,225 km (0.109 R)
• M26: 23,262,020 km (0.082 R)
• M27: 24,731,221 km (0.077 R)
• M28: 25,207,840 km (0.055 R)
• M29: 28,629,891 km (0.043 R)
• M30: 29,155,279 km (0.092 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 13,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit