🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.4

Radius: 12.7

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.92 AU - 1.08 AU

Year: 656 Days

Day: 5.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 16,078,751 km

• M1: 158,125 km (0.055 R)
• M2: 849,118 km (0.066 R)
• M3: 1,594,265 km (0.072 R)
• M4: 1,993,840 km (0.097 R)
• M5: 2,549,597 km (0.108 R)
• M6: 4,044,229 km (0.025 R)
• M7: 4,694,830 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.5

Radius: 11.9

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.95 AU - 1.17 AU

Year: 716 Days

Day: 11.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,078,751 km

• M1: 147,952 km (0.116 R)
• M2: 540,198 km (0.041 R)
• M3: 1,098,198 km (0.101 R)
• M4: 1,802,056 km (0.093 R)
• M5: 2,265,510 km (0.118 R)
• M6: 3,206,481 km (0.045 R)
• M7: 3,779,291 km (0.075 R)
• M8: 4,184,851 km (0.097 R)
• M9: 5,368,469 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.8

Radius: 8.5

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.29 AU - 1.59 AU

Year: 1134 Days

Day: 7.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 16,078,751 km

• M1: 105,766 km (0.083 R)
• M2: 587,770 km (0.092 R)
• M3: 900,430 km (0.076 R)
• M4: 1,667,119 km (0.095 R)
• M5: 2,035,279 km (0.067 R)
• M6: 3,235,503 km (0.081 R)
• M7: 3,570,602 km (0.1 R)
• M8: 4,257,256 km (0.094 R)
• M9: 5,333,762 km (0.034 R)
• M10: 5,607,826 km (0.066 R)
• M11: 7,021,675 km (0.062 R)
• M12: 7,506,971 km (0.077 R)
• M13: 7,932,876 km (0.077 R)
• M14: 8,745,791 km (0.119 R)
• M15: 11,003,372 km (0.115 R)
• M16: 11,693,617 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.1

Radius: 8.9

Gravity: 10.39 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.21 AU - 1.95 AU

Year: 1303 Days

Day: 13.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 123.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,078,751 km

• M1: 110,702 km (0.117 R)
• M2: 424,110 km (0.064 R)
• M3: 863,329 km (0.06 R)
• M4: 1,186,910 km (0.099 R)
• M5: 1,629,121 km (0.111 R)
• M6: 2,318,617 km (0.096 R)
• M7: 2,605,247 km (0.098 R)
• M8: 3,160,853 km (0.112 R)
• M9: 3,514,802 km (0.108 R)
• M10: 3,946,691 km (0.103 R)
• M11: 4,248,131 km (0.063 R)
• M12: 5,162,323 km (0.119 R)
• M13: 6,910,075 km (0.057 R)
• M14: 7,508,916 km (0.078 R)
• M15: 7,945,592 km (0.051 R)
• M16: 8,312,854 km (0.09 R)
• M17: 8,810,118 km (0.094 R)
• M18: 12,035,897 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.5

Radius: 10.9

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.62 AU - 2.02 AU

Year: 1611 Days

Day: 7 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 16,078,751 km

• M1: 135,685 km (0.083 R)
• M2: 594,951 km (0.109 R)
• M3: 1,190,649 km (0.064 R)
• M4: 2,086,292 km (0.067 R)
• M5: 3,082,464 km (0.09 R)
• M6: 4,234,966 km (0.08 R)
• M7: 5,070,321 km (0.048 R)
• M8: 5,424,718 km (0.046 R)
• M9: 6,085,193 km (0.118 R)
• M10: 6,641,098 km (0.088 R)
• M11: 8,270,069 km (0.032 R)
• M12: 9,406,415 km (0.109 R)
• M13: 10,081,251 km (0.114 R)
• M14: 10,572,680 km (0.071 R)
• M15: 11,006,514 km (0.064 R)
• M16: 11,987,277 km (0.11 R)
• M17: 12,984,347 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.3

Radius: 9.9

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.98 AU - 2.24 AU

Year: 2011 Days

Day: 13 Hours

Environment

Temp: -201 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 16,078,751 km

• M1: 126,111 km (0.118 R)
• M2: 528,380 km (0.107 R)
• M3: 1,134,401 km (0.046 R)
• M4: 1,572,872 km (0.083 R)
• M5: 1,899,893 km (0.112 R)
• M6: 2,694,108 km (0.073 R)
• M7: 3,281,728 km (0.082 R)
• M8: 3,915,275 km (0.106 R)
• M9: 4,281,341 km (0.067 R)
• M10: 5,060,597 km (0.106 R)
• M11: 5,495,927 km (0.073 R)
• M12: 5,832,671 km (0.112 R)
• M13: 6,157,598 km (0.08 R)
• M14: 6,654,412 km (0.059 R)
• M15: 7,262,977 km (0.103 R)
• M16: 8,946,850 km (0.033 R)
• M17: 9,278,958 km (0.104 R)
• M18: 11,065,007 km (0.045 R)
• M19: 12,816,798 km (0.12 R)
• M20: 13,671,450 km (0.117 R)
• M21: 16,912,488 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.5

Radius: 14.1

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.4 AU - 3.5 AU

Year: 3324 Days

Day: 8.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 16,078,751 km

• M1: 179,517 km (0.047 R)
• M2: 651,948 km (0.115 R)
• M3: 1,193,342 km (0.116 R)
• M4: 1,638,246 km (0.074 R)
• M5: 2,170,216 km (0.105 R)
• M6: 2,737,791 km (0.073 R)
• M7: 3,497,000 km (0.083 R)
• M8: 4,050,662 km (0.089 R)
• M9: 4,967,547 km (0.061 R)
• M10: 6,296,275 km (0.079 R)
• M11: 8,841,533 km (0.111 R)
• M12: 10,225,314 km (0.112 R)
• M13: 12,318,637 km (0.098 R)
• M14: 13,993,534 km (0.075 R)
• M15: 15,346,049 km (0.12 R)
• M16: 16,187,686 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.5

Radius: 14

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.09 AU - 4.67 AU

Year: 6013 Days

Day: 11.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,078,751 km

• M1: 174,282 km (0.102 R)
• M2: 756,068 km (0.076 R)
• M3: 2,114,865 km (0.113 R)
• M4: 3,927,991 km (0.079 R)
• M5: 4,851,309 km (0.106 R)
• M6: 5,652,855 km (0.094 R)
• M7: 6,235,090 km (0.082 R)
• M8: 7,606,154 km (0.119 R)
• M9: 8,378,528 km (0.118 R)
• M10: 9,533,723 km (0.11 R)
• M11: 10,184,922 km (0.109 R)
• M12: 13,468,745 km (0.063 R)
• M13: 15,700,147 km (0.12 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 13,745 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit