🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.03 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.2

Radius: 12.1

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.95 AU - 2.15 AU

Year: 2063 Days

Day: 7.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,310,539 km

• M1: 150,944 km (0.111 R)
• M2: 668,553 km (0.089 R)
• M3: 1,699,432 km (0.108 R)
• M4: 3,625,056 km (0.117 R)
• M5: 4,295,404 km (0.071 R)
• M6: 5,463,015 km (0.116 R)
• M7: 6,673,561 km (0.119 R)

Asteroid Belt

Center: 2.83 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.1

Radius: 12.4

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.05 AU - 4.15 AU

Year: 4801 Days

Day: 12.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,310,539 km

• M1: 157,227 km (0.103 R)
• M2: 615,146 km (0.109 R)
• M3: 1,253,331 km (0.026 R)
• M4: 1,673,701 km (0.097 R)
• M5: 4,084,770 km (0.117 R)
• M6: 5,542,751 km (0.077 R)
• M7: 8,017,399 km (0.073 R)
• M8: 8,717,367 km (0.078 R)
• M9: 9,258,762 km (0.111 R)
• M10: 9,699,926 km (0.081 R)
• M11: 12,072,997 km (0.087 R)
• M12: 12,551,561 km (0.081 R)
• M13: 14,647,876 km (0.057 R)
• M14: 17,447,899 km (0.115 R)
• M15: 18,309,283 km (0.081 R)
• M16: 18,814,176 km (0.058 R)
• M17: 20,317,635 km (0.091 R)
• M18: 23,340,858 km (0.101 R)
• M19: 25,307,921 km (0.109 R)
• M20: 27,056,570 km (0.099 R)
• M21: 27,465,122 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.4

Radius: 12.1

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.22 AU - 4.08 AU

Year: 4902 Days

Day: 7.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,310,539 km

• M1: 156,330 km (0.118 R)
• M2: 742,005 km (0.068 R)
• M3: 1,132,007 km (0.112 R)
• M4: 1,835,715 km (0.113 R)
• M5: 2,580,414 km (0.094 R)
• M6: 3,946,093 km (0.099 R)
• M7: 4,563,932 km (0.053 R)
• M8: 5,273,774 km (0.094 R)
• M9: 5,716,135 km (0.082 R)
• M10: 6,879,856 km (0.082 R)
• M11: 8,872,201 km (0.116 R)
• M12: 10,473,945 km (0.058 R)
• M13: 11,709,624 km (0.025 R)
• M14: 12,414,080 km (0.066 R)
• M15: 13,469,194 km (0.05 R)
• M16: 15,104,149 km (0.049 R)
• M17: 18,427,765 km (0.116 R)
• M18: 19,659,554 km (0.069 R)
• M19: 23,134,114 km (0.114 R)
• M20: 28,138,761 km (0.093 R)
• M21: 29,955,627 km (0.079 R)
• M22: 33,122,614 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.1

Radius: 9.6

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.84 AU - 4.5 AU

Year: 4942 Days

Day: 14.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 23,310,539 km

• M1: 119,379 km (0.098 R)
• M2: 466,147 km (0.042 R)
• M3: 875,297 km (0.111 R)
• M4: 1,924,577 km (0.06 R)
• M5: 2,321,161 km (0.086 R)
• M6: 2,621,104 km (0.102 R)
• M7: 2,964,880 km (0.031 R)
• M8: 3,557,886 km (0.111 R)
• M9: 3,915,425 km (0.064 R)
• M10: 4,250,823 km (0.092 R)
• M11: 5,401,530 km (0.101 R)
• M12: 6,286,402 km (0.059 R)
• M13: 6,748,061 km (0.12 R)
• M14: 7,567,558 km (0.108 R)
• M15: 10,383,139 km (0.078 R)
• M16: 11,564,663 km (0.08 R)
• M17: 12,882,172 km (0.06 R)
• M18: 15,590,192 km (0.071 R)
• M19: 16,379,620 km (0.116 R)
• M20: 17,553,216 km (0.056 R)
• M21: 18,781,863 km (0.115 R)
• M22: 19,610,785 km (0.118 R)
• M23: 20,067,058 km (0.111 R)
• M24: 20,530,513 km (0.079 R)
• M25: 22,173,546 km (0.078 R)
• M26: 22,597,656 km (0.117 R)
• M27: 23,027,151 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.4

Radius: 8.6

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.83 AU - 5.39 AU

Year: 6958 Days

Day: 15 Hours

Environment

Temp: -217 °C

Axial Tilt: 126.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,310,539 km

• M1: 106,962 km (0.109 R)
• M2: 841,638 km (0.104 R)
• M3: 1,209,948 km (0.086 R)
• M4: 1,718,580 km (0.114 R)
• M5: 2,407,179 km (0.108 R)
• M6: 2,758,435 km (0.118 R)
• M7: 3,720,050 km (0.096 R)
• M8: 4,002,491 km (0.103 R)
• M9: 4,520,399 km (0.083 R)
• M10: 7,295,290 km (0.096 R)
• M11: 8,613,247 km (0.054 R)
• M12: 10,959,540 km (0.064 R)
• M13: 14,134,605 km (0.117 R)
• M14: 14,725,816 km (0.085 R)
• M15: 15,487,868 km (0.089 R)
• M16: 16,816,297 km (0.079 R)
• M17: 20,435,518 km (0.092 R)
• M18: 21,576,351 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.9

Radius: 9.7

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.11 AU - 5.81 AU

Year: 7765 Days

Day: 11.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 23,310,539 km

• M1: 120,576 km (0.105 R)
• M2: 594,053 km (0.11 R)
• M3: 991,385 km (0.102 R)
• M4: 1,486,105 km (0.074 R)
• M5: 2,242,173 km (0.088 R)
• M6: 2,910,875 km (0.105 R)
• M7: 3,213,362 km (0.059 R)
• M8: 4,846,522 km (0.1 R)
• M9: 5,211,541 km (0.105 R)
• M10: 5,860,646 km (0.096 R)
• M11: 6,310,936 km (0.08 R)
• M12: 7,883,957 km (0.115 R)
• M13: 8,695,227 km (0.085 R)
• M14: 10,186,119 km (0.106 R)
• M15: 10,685,028 km (0.09 R)
• M16: 11,252,752 km (0.112 R)
• M17: 12,504,736 km (0.099 R)
• M18: 13,310,919 km (0.098 R)
• M19: 16,204,591 km (0.109 R)
• M20: 19,191,013 km (0.087 R)
• M21: 21,213,277 km (0.117 R)
• M22: 22,192,844 km (0.048 R)
• M23: 24,506,974 km (0.04 R)
• M24: 28,224,181 km (0.118 R)
• M25: 32,621,760 km (0.091 R)
• M26: 32,944,593 km (0.1 R)
• M27: 35,604,742 km (0.106 R)
• M28: 38,764,997 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.4

Radius: 7.9

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.81 AU - 6.95 AU

Year: 11328 Days

Day: 24.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,310,539 km

• M1: 98,286 km (0.109 R)
• M2: 550,071 km (0.12 R)
• M3: 1,640,191 km (0.083 R)
• M4: 2,048,743 km (0.028 R)
• M5: 2,570,241 km (0.054 R)
• M6: 3,070,048 km (0.063 R)
• M7: 4,914,140 km (0.085 R)
• M8: 5,847,332 km (0.103 R)
• M9: 7,017,337 km (0.099 R)
• M10: 7,268,961 km (0.042 R)
• M11: 9,504,402 km (0.065 R)
• M12: 10,048,489 km (0.106 R)
• M13: 12,943,657 km (0.112 R)
• M14: 14,811,087 km (0.116 R)
• M15: 17,246,690 km (0.112 R)
• M16: 17,590,316 km (0.11 R)
• M17: 17,938,580 km (0.036 R)
• M18: 18,291,481 km (0.064 R)
• M19: 19,501,279 km (0.085 R)
• M20: 19,749,612 km (0.093 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 19,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit