🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.5

Radius: 13.4

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.53 AU - 0.61 AU

Year: 292 Days

Day: 7.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,826,140 km

• M1: 166,802 km (0.075 R)
• M2: 594,352 km (0.098 R)
• M3: 1,281,156 km (0.111 R)
• M4: 1,711,100 km (0.074 R)
• M5: 2,177,397 km (0.059 R)
• M6: 2,820,668 km (0.067 R)
• M7: 3,654,526 km (0.04 R)
• M8: 4,215,219 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.8

Radius: 11.3

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.35 AU - 1.83 AU

Year: 1360 Days

Day: 11.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,826,140 km

• M1: 140,772 km (0.045 R)
• M2: 534,064 km (0.074 R)
• M3: 921,373 km (0.113 R)
• M4: 1,486,404 km (0.109 R)
• M5: 1,870,721 km (0.059 R)
• M6: 2,297,674 km (0.07 R)
• M7: 3,017,539 km (0.098 R)
• M8: 3,987,681 km (0.101 R)
• M9: 4,545,232 km (0.111 R)
• M10: 5,218,123 km (0.111 R)
• M11: 5,979,726 km (0.112 R)
• M12: 7,047,256 km (0.072 R)
• M13: 9,784,898 km (0.094 R)
• M14: 12,303,527 km (0.073 R)
• M15: 13,365,672 km (0.087 R)
• M16: 13,898,390 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.7

Radius: 14.1

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.61 AU - 4.67 AU

Year: 5713 Days

Day: 13.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,826,140 km

• M1: 175,329 km (0.083 R)
• M2: 629,807 km (0.069 R)
• M3: 1,174,792 km (0.078 R)
• M4: 2,322,956 km (0.105 R)
• M5: 3,173,719 km (0.116 R)
• M6: 3,811,006 km (0.12 R)
• M7: 4,747,638 km (0.042 R)
• M8: 7,113,080 km (0.114 R)
• M9: 8,052,704 km (0.116 R)
• M10: 9,418,084 km (0.067 R)
• M11: 10,317,765 km (0.091 R)
• M12: 11,029,552 km (0.029 R)
• M13: 12,604,518 km (0.037 R)
• M14: 17,822,043 km (0.112 R)
• M15: 19,339,714 km (0.076 R)
• M16: 20,644,357 km (0.112 R)
• M17: 22,631,315 km (0.088 R)
• M18: 33,168,989 km (0.095 R)
• M19: 33,783,837 km (0.055 R)
• M20: 34,510,733 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806

Radius: 8

Gravity: 12.59 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.35 AU - 5.11 AU

Year: 5901 Days

Day: 8.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,826,140 km

• M1: 130,001 km (0.086 R)
• M2: 584,180 km (0.076 R)
• M3: 862,282 km (0.054 R)
• M4: 1,146,817 km (0.102 R)
• M5: 1,422,227 km (0.084 R)
• M6: 3,062,119 km (0.112 R)
• M7: 3,577,483 km (0.078 R)
• M8: 4,457,717 km (0.104 R)
• M9: 5,091,115 km (0.051 R)
• M10: 5,689,506 km (0.1 R)
• M11: 6,300,614 km (0.085 R)
• M12: 6,570,638 km (0.05 R)
• M13: 6,990,260 km (0.077 R)
• M14: 8,078,435 km (0.081 R)
• M15: 8,683,708 km (0.12 R)
• M16: 10,029,939 km (0.116 R)
• M17: 11,460,094 km (0.072 R)
• M18: 12,486,037 km (0.119 R)
• M19: 14,368,875 km (0.117 R)
• M20: 14,719,682 km (0.051 R)
• M21: 16,752,718 km (0.097 R)
• M22: 18,412,356 km (0.11 R)
• M23: 21,747,641 km (0.113 R)
• M24: 22,837,611 km (0.107 R)
• M25: 24,457,457 km (0.092 R)
• M26: 25,893,147 km (0.11 R)
• M27: 29,397,777 km (0.116 R)
• M28: 30,153,844 km (0.042 R)
• M29: 31,803,460 km (0.111 R)
• M30: 33,614,642 km (0.084 R)
• M31: 34,859,595 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.4

Radius: 5.6

Gravity: 29.86 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.49 AU - 5.95 AU

Year: 9279 Days

Day: 24.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,826,140 km

• M1: 69,713 km (0.092 R)
• M2: 300,841 km (0.116 R)
• M3: 558,000 km (0.043 R)
• M4: 759,508 km (0.106 R)
• M5: 968,197 km (0.102 R)
• M6: 1,772,735 km (0.107 R)
• M7: 2,588,193 km (0.096 R)
• M8: 3,044,466 km (0.105 R)
• M9: 4,861,632 km (0.119 R)
• M10: 6,199,186 km (0.081 R)
• M11: 7,340,917 km (0.08 R)
• M12: 7,722,092 km (0.117 R)
• M13: 8,477,861 km (0.062 R)
• M14: 9,577,405 km (0.1 R)
• M15: 10,135,555 km (0.1 R)
• M16: 11,316,630 km (0.082 R)
• M17: 12,706,394 km (0.078 R)
• M18: 16,100,920 km (0.099 R)
• M19: 17,255,965 km (0.07 R)
• M20: 19,729,715 km (0.075 R)
• M21: 22,784,055 km (0.104 R)
• M22: 26,237,223 km (0.104 R)
• M23: 28,654,275 km (0.047 R)
• M24: 30,345,629 km (0.083 R)
• M25: 31,106,184 km (0.113 R)
• M26: 34,509,686 km (0.117 R)
• M27: 34,863,185 km (0.078 R)
• M28: 36,911,629 km (0.084 R)
• M29: 39,039,060 km (0.056 R)
• M30: 45,343,414 km (0.092 R)
• M31: 49,404,098 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.5

Radius: 7.3

Gravity: 18.47 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.59 AU - 7.71 AU

Year: 11631 Days

Day: 24.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,826,140 km

• M1: 127,457 km (0.112 R)
• M2: 416,480 km (0.079 R)
• M3: 744,399 km (0.074 R)
• M4: 2,029,894 km (0.087 R)
• M5: 3,019,483 km (0.068 R)
• M6: 3,885,206 km (0.059 R)
• M7: 4,644,116 km (0.088 R)
• M8: 5,041,747 km (0.097 R)
• M9: 5,680,680 km (0.114 R)
• M10: 8,250,023 km (0.078 R)
• M11: 8,587,367 km (0.118 R)
• M12: 11,988,624 km (0.098 R)
• M13: 14,604,791 km (0.093 R)
• M14: 16,647,550 km (0.092 R)
• M15: 21,022,241 km (0.12 R)
• M16: 21,470,735 km (0.114 R)
• M17: 28,547,462 km (0.1 R)
• M18: 29,654,636 km (0.088 R)
• M19: 33,511,269 km (0.106 R)
• M20: 36,646,392 km (0.099 R)
• M21: 39,835,071 km (0.101 R)
• M22: 44,661,846 km (0.071 R)
• M23: 54,947,597 km (0.106 R)
• M24: 58,227,830 km (0.116 R)
• M25: 59,468,445 km (0.072 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 11,341 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit