🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.5

Radius: 8.7

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.47 AU - 0.55 AU

Year: 243 Days

Day: 13.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 84,411,354 km

• M1: 139,874 km (0.091 R)
• M2: 438,771 km (0.102 R)
• M3: 768,484 km (0.075 R)
• M4: 1,189,004 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.1

Radius: 11.9

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.24 AU - 1.38 AU

Year: 1000 Days

Day: 12.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,411,354 km

• M1: 150,495 km (0.056 R)
• M2: 548,276 km (0.09 R)
• M3: 929,900 km (0.057 R)
• M4: 1,350,270 km (0.11 R)
• M5: 1,928,616 km (0.077 R)
• M6: 2,372,024 km (0.079 R)
• M7: 3,166,239 km (0.113 R)
• M8: 3,773,157 km (0.111 R)
• M9: 4,299,592 km (0.109 R)
• M10: 4,800,147 km (0.095 R)
• M11: 5,260,011 km (0.069 R)
• M12: 6,631,973 km (0.108 R)
• M13: 7,501,884 km (0.046 R)
• M14: 8,722,304 km (0.089 R)
• M15: 9,350,914 km (0.077 R)
• M16: 9,887,372 km (0.07 R)
• M17: 10,287,546 km (0.116 R)
• M18: 10,859,609 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967

Radius: 13.7

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.57 AU - 1.65 AU

Year: 1362 Days

Day: 11.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,411,354 km

• M1: 170,392 km (0.046 R)
• M2: 635,641 km (0.063 R)
• M3: 1,376,749 km (0.053 R)
• M4: 1,939,088 km (0.072 R)
• M5: 2,397,605 km (0.089 R)
• M6: 3,442,247 km (0.104 R)
• M7: 4,141,168 km (0.036 R)
• M8: 4,751,079 km (0.114 R)
• M9: 5,247,295 km (0.051 R)
• M10: 6,974,552 km (0.093 R)
• M11: 8,388,701 km (0.079 R)
• M12: 8,838,990 km (0.054 R)
• M13: 9,369,015 km (0.107 R)
• M14: 12,306,370 km (0.057 R)
• M15: 13,653,498 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.5

Radius: 8.7

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.91 AU - 2.51 AU

Year: 2191 Days

Day: 14.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,411,354 km

• M1: 108,309 km (0.098 R)
• M2: 429,346 km (0.047 R)
• M3: 783,893 km (0.116 R)
• M4: 1,061,846 km (0.106 R)
• M5: 1,416,393 km (0.043 R)
• M6: 2,036,625 km (0.109 R)
• M7: 2,450,413 km (0.05 R)
• M8: 3,309,703 km (0.105 R)
• M9: 4,076,692 km (0.088 R)
• M10: 4,460,410 km (0.115 R)
• M11: 4,802,092 km (0.087 R)
• M12: 5,184,464 km (0.069 R)
• M13: 5,538,412 km (0.092 R)
• M14: 6,061,257 km (0.108 R)
• M15: 7,951,127 km (0.102 R)
• M16: 8,813,559 km (0.065 R)
• M17: 10,277,224 km (0.099 R)
• M18: 10,610,827 km (0.047 R)
• M19: 11,575,434 km (0.041 R)
• M20: 12,058,785 km (0.104 R)
• M21: 13,369,861 km (0.075 R)
• M22: 14,037,367 km (0.12 R)
• M23: 14,448,312 km (0.102 R)
• M24: 14,820,362 km (0.115 R)
• M25: 15,876,523 km (0.106 R)
• M26: 16,173,175 km (0.04 R)
• M27: 16,828,414 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.9

Radius: 14.5

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.3 AU - 2.84 AU

Year: 2747 Days

Day: 13.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,411,354 km

• M1: 180,565 km (0.119 R)
• M2: 671,844 km (0.101 R)
• M3: 1,398,890 km (0.053 R)
• M4: 1,892,712 km (0.085 R)
• M5: 2,549,148 km (0.118 R)
• M6: 3,023,672 km (0.096 R)
• M7: 3,557,737 km (0.116 R)
• M8: 5,707,608 km (0.086 R)
• M9: 6,219,681 km (0.097 R)
• M10: 6,910,225 km (0.075 R)
• M11: 7,556,188 km (0.061 R)
• M12: 8,175,075 km (0.089 R)
• M13: 8,652,591 km (0.058 R)
• M14: 9,440,822 km (0.079 R)
• M15: 10,237,281 km (0.106 R)
• M16: 12,626,808 km (0.115 R)
• M17: 13,359,688 km (0.096 R)
• M18: 14,910,719 km (0.111 R)
• M19: 16,578,735 km (0.082 R)
• M20: 18,717,536 km (0.113 R)
• M21: 19,550,048 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.2

Radius: 13.7

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.14 AU - 3.42 AU

Year: 3091 Days

Day: 14.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,411,354 km

• M1: 170,542 km (0.092 R)
• M2: 720,314 km (0.1 R)
• M3: 1,588,430 km (0.067 R)
• M4: 2,389,377 km (0.07 R)
• M5: 2,931,819 km (0.112 R)
• M6: 3,881,167 km (0.073 R)
• M7: 4,749,134 km (0.106 R)
• M8: 5,241,760 km (0.116 R)
• M9: 5,872,913 km (0.119 R)
• M10: 7,503,081 km (0.073 R)
• M11: 9,131,005 km (0.059 R)
• M12: 9,599,995 km (0.069 R)
• M13: 10,863,349 km (0.108 R)
• M14: 13,348,319 km (0.07 R)
• M15: 18,890,172 km (0.115 R)
• M16: 20,315,840 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.3

Radius: 6.8

Gravity: 14.6 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 9.5 AU - 12.02 AU

Year: 23537 Days

Day: 16.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 84,411,354 km

• M1: 84,523 km (0.055 R)
• M2: 521,199 km (0.119 R)
• M3: 934,388 km (0.104 R)
• M4: 1,207,105 km (0.087 R)
• M5: 1,434,045 km (0.115 R)
• M6: 2,384,291 km (0.071 R)
• M7: 2,770,852 km (0.085 R)
• M8: 4,859,388 km (0.104 R)
• M9: 5,321,196 km (0.073 R)
• M10: 10,127,477 km (0.089 R)
• M11: 13,735,328 km (0.06 R)
• M12: 16,283,728 km (0.116 R)
• M13: 17,403,468 km (0.111 R)
• M14: 17,847,624 km (0.12 R)
• M15: 19,795,538 km (0.073 R)
• M16: 28,884,806 km (0.079 R)
• M17: 36,088,542 km (0.043 R)
• M18: 39,034,273 km (0.03 R)
• M19: 39,794,978 km (0.114 R)
• M20: 43,259,815 km (0.111 R)
• M21: 47,263,353 km (0.079 R)
• M22: 48,127,430 km (0.111 R)
• M23: 50,065,321 km (0.032 R)
• M24: 51,506,996 km (0.032 R)
• M25: 52,790,994 km (0.105 R)
• M26: 57,747,022 km (0.04 R)
• M27: 58,933,184 km (0.068 R)
• M28: 67,259,053 km (0.096 R)
• M29: 69,456,646 km (0.111 R)
• M30: 71,022,935 km (0.119 R)
• M31: 76,335,455 km (0.116 R)
• M32: 80,918,984 km (0.089 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: 194 - 11,367 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit