🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.7

Radius: 9.3

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.48 AU - 0.56 AU

Year: 254 Days

Day: 10.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,985,689 km

• M1: 115,639 km (0.093 R)
• M2: 448,644 km (0.053 R)
• M3: 794,813 km (0.071 R)
• M4: 1,097,600 km (0.055 R)
• M5: 1,532,331 km (0.061 R)
• M6: 1,977,684 km (0.119 R)
• M7: 2,465,523 km (0.101 R)
• M8: 2,797,480 km (0.095 R)
• M9: 3,100,117 km (0.06 R)
• M10: 3,466,781 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.5

Radius: 9.2

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.58 AU - 0.9 AU

Year: 432 Days

Day: 8.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 110.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,985,689 km

• M1: 114,442 km (0.082 R)
• M2: 548,575 km (0.046 R)
• M3: 1,054,067 km (0.095 R)
• M4: 1,395,599 km (0.088 R)
• M5: 1,727,706 km (0.051 R)
• M6: 2,156,005 km (0.118 R)
• M7: 2,715,351 km (0.044 R)
• M8: 3,024,121 km (0.092 R)
• M9: 3,550,257 km (0.06 R)
• M10: 4,014,010 km (0.104 R)
• M11: 4,650,250 km (0.089 R)
• M12: 5,190,298 km (0.118 R)
• M13: 5,788,839 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.4

Radius: 14.8

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.69 AU - 0.83 AU

Year: 449 Days

Day: 14.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,985,689 km

• M1: 184,005 km (0.067 R)
• M2: 655,687 km (0.096 R)
• M3: 1,127,818 km (0.03 R)
• M4: 1,745,658 km (0.09 R)
• M5: 2,207,017 km (0.064 R)
• M6: 3,236,550 km (0.117 R)
• M7: 3,732,766 km (0.115 R)
• M8: 4,395,784 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.5

Radius: 11.3

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.91 AU - 1.27 AU

Year: 772 Days

Day: 9.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,985,689 km

• M1: 140,622 km (0.098 R)
• M2: 612,902 km (0.102 R)
• M3: 997,369 km (0.049 R)
• M4: 1,964,220 km (0.101 R)
• M5: 2,465,373 km (0.076 R)
• M6: 2,866,146 km (0.094 R)
• M7: 3,570,602 km (0.104 R)
• M8: 3,934,125 km (0.092 R)
• M9: 4,468,638 km (0.067 R)
• M10: 5,549,183 km (0.109 R)
• M11: 6,665,632 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.4

Radius: 8.1

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.86 AU - 2.68 AU

Year: 2320 Days

Day: 6.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,985,689 km

• M1: 100,829 km (0.053 R)
• M2: 433,834 km (0.097 R)
• M3: 890,257 km (0.07 R)
• M4: 2,092,874 km (0.056 R)
• M5: 2,722,083 km (0.107 R)
• M6: 3,678,911 km (0.113 R)
• M7: 4,157,026 km (0.087 R)
• M8: 5,915,698 km (0.085 R)
• M9: 7,911,483 km (0.11 R)
• M10: 8,395,732 km (0.109 R)
• M11: 8,739,956 km (0.082 R)
• M12: 10,212,299 km (0.063 R)
• M13: 13,512,428 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.1

Radius: 11.6

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.68 AU - 3.98 AU

Year: 4122 Days

Day: 5.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,985,689 km

• M1: 149,897 km (0.106 R)
• M2: 620,682 km (0.105 R)
• M3: 1,588,580 km (0.087 R)
• M4: 2,043,058 km (0.099 R)
• M5: 2,460,287 km (0.077 R)
• M6: 3,218,748 km (0.083 R)
• M7: 3,862,019 km (0.069 R)
• M8: 4,526,981 km (0.079 R)
• M9: 6,368,232 km (0.106 R)
• M10: 9,022,547 km (0.12 R)
• M11: 10,411,114 km (0.11 R)
• M12: 11,897,369 km (0.079 R)
• M13: 12,546,474 km (0.051 R)
• M14: 13,520,656 km (0.101 R)
• M15: 13,959,725 km (0.116 R)
• M16: 15,957,006 km (0.058 R)
• M17: 16,546,871 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.7

Radius: 3.1

Gravity: 24.84 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.48 AU - 7.28 AU

Year: 9671 Days

Day: 21.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,985,689 km

• M1: 271,819 km (0.03 R)
• M2: 449,990 km (0.051 R)
• M3: 858,841 km (0.108 R)
• M4: 1,537,567 km (0.119 R)
• M5: 1,963,023 km (0.119 R)
• M6: 2,178,893 km (0.09 R)
• M7: 3,525,124 km (0.115 R)
• M8: 4,034,655 km (0.105 R)
• M9: 4,806,131 km (0.114 R)
• M10: 5,027,386 km (0.101 R)
• M11: 7,890,839 km (0.108 R)
• M12: 10,081,550 km (0.069 R)
• M13: 10,674,855 km (0.071 R)
• M14: 11,242,878 km (0.086 R)
• M15: 12,132,238 km (0.117 R)
• M16: 13,120,780 km (0.111 R)
• M17: 18,538,916 km (0.075 R)
• M18: 20,703,747 km (0.119 R)
• M19: 22,338,403 km (0.082 R)
• M20: 22,567,736 km (0.108 R)
• M21: 25,443,905 km (0.086 R)
• M22: 30,201,566 km (0.083 R)
• M23: 31,238,429 km (0.078 R)
• M24: 32,396,167 km (0.088 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: 435 - 12,822 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit