🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.4

Radius: 10.7

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.64 AU - 0.88 AU

Year: 466 Days

Day: 9.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,726,743 km

• M1: 133,142 km (0.094 R)
• M2: 560,693 km (0.032 R)
• M3: 945,010 km (0.089 R)
• M4: 2,057,569 km (0.098 R)
• M5: 2,609,286 km (0.119 R)
• M6: 3,105,652 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.6

Radius: 13

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.42 AU - 3 AU

Year: 3136 Days

Day: 8.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,726,743 km

• M1: 161,715 km (0.105 R)
• M2: 631,004 km (0.108 R)
• M3: 1,037,312 km (0.1 R)
• M4: 1,608,776 km (0.096 R)
• M5: 2,158,847 km (0.115 R)
• M6: 2,716,398 km (0.101 R)
• M7: 3,556,839 km (0.119 R)
• M8: 5,396,893 km (0.075 R)
• M9: 5,825,640 km (0.096 R)
• M10: 6,485,367 km (0.032 R)
• M11: 6,998,637 km (0.066 R)
• M12: 7,509,813 km (0.099 R)
• M13: 9,532,526 km (0.1 R)
• M14: 9,949,006 km (0.119 R)
• M15: 11,856,529 km (0.071 R)
• M16: 12,708,938 km (0.099 R)
• M17: 13,601,887 km (0.071 R)
• M18: 14,085,986 km (0.034 R)
• M19: 14,718,785 km (0.095 R)
• M20: 16,041,380 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.9

Radius: 13.3

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.53 AU - 3.91 AU

Year: 4062 Days

Day: 12 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 52,726,743 km

• M1: 203,004 km (0.119 R)
• M2: 1,603,390 km (0.057 R)
• M3: 2,284,210 km (0.051 R)
• M4: 8,270,817 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.7

Radius: 10

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.12 AU - 4.08 AU

Year: 4801 Days

Day: 13.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,726,743 km

• M1: 154,385 km (0.093 R)
• M2: 545,135 km (0.098 R)
• M3: 911,799 km (0.113 R)
• M4: 1,609,972 km (0.106 R)
• M5: 2,226,316 km (0.071 R)
• M6: 2,936,905 km (0.102 R)
• M7: 3,325,261 km (0.074 R)
• M8: 3,949,384 km (0.12 R)
• M9: 4,523,391 km (0.106 R)
• M10: 6,328,588 km (0.064 R)
• M11: 7,427,085 km (0.12 R)
• M12: 8,570,312 km (0.112 R)
• M13: 10,433,554 km (0.119 R)
• M14: 11,295,986 km (0.048 R)
• M15: 11,625,400 km (0.086 R)
• M16: 12,009,867 km (0.087 R)
• M17: 12,905,808 km (0.046 R)
• M18: 16,215,811 km (0.114 R)
• M19: 19,576,826 km (0.09 R)
• M20: 22,550,233 km (0.103 R)
• M21: 23,528,454 km (0.104 R)
• M22: 26,467,304 km (0.052 R)
• M23: 28,935,370 km (0.065 R)
• M24: 29,820,840 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372

Radius: 7.5

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.45 AU - 6.95 AU

Year: 9566 Days

Day: 18.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,726,743 km

• M1: 93,349 km (0.101 R)
• M2: 459,265 km (0.09 R)
• M3: 806,033 km (0.066 R)
• M4: 1,045,988 km (0.12 R)
• M5: 1,369,569 km (0.116 R)
• M6: 3,021,129 km (0.083 R)
• M7: 4,770,826 km (0.101 R)
• M8: 5,636,549 km (0.064 R)
• M9: 6,360,153 km (0.103 R)
• M10: 8,070,955 km (0.096 R)
• M11: 9,563,343 km (0.069 R)
• M12: 10,687,272 km (0.068 R)
• M13: 12,972,679 km (0.111 R)
• M14: 15,008,855 km (0.086 R)
• M15: 16,071,000 km (0.069 R)
• M16: 16,522,486 km (0.108 R)
• M17: 18,413,852 km (0.115 R)
• M18: 19,923,893 km (0.106 R)
• M19: 22,540,809 km (0.087 R)
• M20: 25,465,298 km (0.08 R)
• M21: 27,979,739 km (0.103 R)
• M22: 29,201,504 km (0.081 R)
• M23: 32,667,238 km (0.037 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.1

Radius: 6.1

Gravity: 19.46 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.88 AU - 6.8 AU

Year: 11221 Days

Day: 21.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,726,743 km

• M1: 76,445 km (0.098 R)
• M2: 767,886 km (0.101 R)
• M3: 1,066,782 km (0.07 R)
• M4: 1,269,188 km (0.05 R)
• M5: 1,483,263 km (0.116 R)
• M6: 2,090,929 km (0.096 R)
• M7: 2,874,673 km (0.114 R)
• M8: 3,678,163 km (0.098 R)
• M9: 4,004,585 km (0.104 R)
• M10: 5,101,138 km (0.065 R)
• M11: 5,826,089 km (0.057 R)
• M12: 6,157,149 km (0.092 R)
• M13: 12,442,803 km (0.119 R)
• M14: 14,204,019 km (0.092 R)
• M15: 16,630,945 km (0.086 R)
• M16: 21,759,160 km (0.117 R)
• M17: 23,925,935 km (0.06 R)
• M18: 24,206,431 km (0.063 R)
• M19: 27,541,716 km (0.098 R)
• M20: 30,949,107 km (0.084 R)
• M21: 32,524,372 km (0.061 R)
• M22: 40,409,676 km (0.116 R)
• M23: 43,112,760 km (0.112 R)
• M24: 43,946,618 km (0.081 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 15,254 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit