🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.3

Radius: 8.5

Gravity: 13.11 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.97 AU - 1.15 AU

Year: 740 Days

Day: 12.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,129,990 km

• M1: 105,915 km (0.094 R)
• M2: 372,499 km (0.093 R)
• M3: 679,474 km (0.07 R)
• M4: 1,148,164 km (0.106 R)
• M5: 1,422,227 km (0.098 R)
• M6: 2,076,418 km (0.11 R)
• M7: 2,367,536 km (0.11 R)
• M8: 2,892,924 km (0.093 R)
• M9: 3,381,510 km (0.041 R)
• M10: 4,208,188 km (0.029 R)
• M11: 5,257,168 km (0.086 R)
• M12: 5,623,085 km (0.114 R)
• M13: 6,278,024 km (0.089 R)
• M14: 6,846,646 km (0.054 R)
• M15: 7,593,289 km (0.034 R)
• M16: 7,936,616 km (0.109 R)
• M17: 9,414,493 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.5

Radius: 10.3

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.12 AU - 1.64 AU

Year: 1100 Days

Day: 7.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,129,990 km

• M1: 132,245 km (0.054 R)
• M2: 574,157 km (0.094 R)
• M3: 1,220,868 km (0.091 R)
• M4: 2,943,787 km (0.092 R)
• M5: 4,049,166 km (0.111 R)
• M6: 5,192,991 km (0.112 R)
• M7: 6,160,141 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916

Radius: 12.5

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.48 AU - 1.66 AU

Year: 1334 Days

Day: 10.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,129,990 km

• M1: 156,779 km (0.097 R)
• M2: 593,904 km (0.077 R)
• M3: 1,095,056 km (0.075 R)
• M4: 2,196,695 km (0.107 R)
• M5: 2,760,829 km (0.069 R)
• M6: 3,174,467 km (0.065 R)
• M7: 3,746,080 km (0.081 R)
• M8: 5,014,371 km (0.114 R)
• M9: 5,680,082 km (0.098 R)
• M10: 6,575,574 km (0.102 R)
• M11: 7,400,756 km (0.069 R)
• M12: 7,866,604 km (0.11 R)
• M13: 8,676,677 km (0.109 R)
• M14: 10,910,771 km (0.098 R)
• M15: 11,335,180 km (0.11 R)
• M16: 11,807,610 km (0.034 R)
• M17: 12,598,385 km (0.06 R)
• M18: 13,748,044 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836

Radius: 10.3

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.88 AU - 2.48 AU

Year: 2183 Days

Day: 11.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,129,990 km

• M1: 128,205 km (0.036 R)
• M2: 573,259 km (0.069 R)
• M3: 1,047,185 km (0.104 R)
• M4: 1,389,914 km (0.09 R)
• M5: 2,092,276 km (0.073 R)
• M6: 2,936,606 km (0.071 R)
• M7: 3,281,130 km (0.09 R)
• M8: 3,935,322 km (0.034 R)
• M9: 4,652,643 km (0.101 R)
• M10: 5,334,810 km (0.082 R)
• M11: 6,266,356 km (0.082 R)
• M12: 6,701,536 km (0.113 R)
• M13: 7,127,591 km (0.108 R)
• M14: 8,515,560 km (0.099 R)
• M15: 9,929,858 km (0.112 R)
• M16: 10,865,742 km (0.058 R)
• M17: 11,859,371 km (0.041 R)
• M18: 12,483,942 km (0.057 R)
• M19: 13,218,318 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.8

Radius: 8.7

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.9 AU - 2.52 AU

Year: 2228 Days

Day: 7.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,129,990 km

• M1: 108,309 km (0.12 R)
• M2: 464,352 km (0.087 R)
• M3: 848,968 km (0.098 R)
• M4: 1,413,251 km (0.045 R)
• M5: 1,757,027 km (0.074 R)
• M6: 2,041,861 km (0.08 R)
• M7: 2,527,755 km (0.084 R)
• M8: 2,925,237 km (0.072 R)
• M9: 3,346,205 km (0.103 R)
• M10: 3,655,274 km (0.06 R)
• M11: 3,943,849 km (0.045 R)
• M12: 5,522,705 km (0.078 R)
• M13: 6,194,549 km (0.037 R)
• M14: 7,183,540 km (0.1 R)
• M15: 7,638,168 km (0.099 R)
• M16: 8,209,034 km (0.09 R)
• M17: 8,979,612 km (0.078 R)
• M18: 9,724,460 km (0.113 R)
• M19: 12,291,709 km (0.11 R)
• M20: 16,495,260 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.1

Radius: 12.3

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.3 AU - 3.58 AU

Year: 3419 Days

Day: 10.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,129,990 km

• M1: 153,487 km (0.115 R)
• M2: 609,462 km (0.073 R)
• M3: 1,013,825 km (0.078 R)
• M4: 1,401,582 km (0.105 R)
• M5: 2,786,260 km (0.092 R)
• M6: 4,237,509 km (0.107 R)
• M7: 4,913,243 km (0.11 R)
• M8: 5,897,896 km (0.078 R)
• M9: 6,451,707 km (0.072 R)
• M10: 6,919,500 km (0.11 R)
• M11: 7,631,735 km (0.095 R)
• M12: 8,358,332 km (0.078 R)
• M13: 9,058,151 km (0.108 R)
• M14: 9,571,122 km (0.114 R)
• M15: 10,298,317 km (0.119 R)
• M16: 11,992,813 km (0.067 R)
• M17: 15,927,536 km (0.109 R)
• M18: 18,013,678 km (0.117 R)
• M19: 20,901,515 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.5

Radius: 7

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.08 AU - 9.2 AU

Year: 15752 Days

Day: 21.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,129,990 km

• M1: 88,412 km (0.11 R)
• M2: 460,013 km (0.099 R)
• M3: 971,040 km (0.116 R)
• M4: 1,283,251 km (0.03 R)
• M5: 2,850,139 km (0.109 R)
• M6: 4,096,438 km (0.073 R)
• M7: 4,917,581 km (0.08 R)
• M8: 5,367,123 km (0.03 R)
• M9: 7,118,764 km (0.088 R)
• M10: 7,652,081 km (0.104 R)
• M11: 8,524,236 km (0.102 R)
• M12: 10,054,772 km (0.105 R)
• M13: 12,214,816 km (0.066 R)
• M14: 16,076,386 km (0.119 R)
• M15: 16,993,121 km (0.066 R)
• M16: 18,168,811 km (0.059 R)
• M17: 24,962,798 km (0.064 R)
• M18: 34,299,501 km (0.098 R)
• M19: 34,761,309 km (0.1 R)
• M20: 38,606,274 km (0.103 R)
• M21: 42,858,593 km (0.106 R)
• M22: 46,140,322 km (0.103 R)
• M23: 47,698,832 km (0.08 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: 314 - 17,844 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit