🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.8

Radius: 13.9

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.46 AU - 0.62 AU

Year: 269 Days

Day: 13.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,487,693 km

• M1: 172,935 km (0.109 R)
• M2: 641,625 km (0.097 R)
• M3: 1,076,805 km (0.092 R)
• M4: 1,512,734 km (0.097 R)
• M5: 1,951,205 km (0.108 R)
• M6: 2,671,668 km (0.11 R)
• M7: 3,541,879 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877

Radius: 9.7

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.63 AU - 0.73 AU

Year: 380 Days

Day: 9.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,487,693 km

• M1: 121,623 km (0.1 R)
• M2: 649,554 km (0.091 R)
• M3: 1,053,917 km (0.116 R)
• M4: 1,667,717 km (0.1 R)
• M5: 2,263,715 km (0.084 R)
• M6: 2,974,155 km (0.027 R)
• M7: 3,322,868 km (0.098 R)
• M8: 3,878,175 km (0.047 R)
• M9: 4,309,765 km (0.099 R)
• M10: 4,698,720 km (0.106 R)
• M11: 5,334,062 km (0.076 R)
• M12: 5,731,992 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.2

Radius: 9.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.51 AU - 1.59 AU

Year: 1309 Days

Day: 14.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,487,693 km

• M1: 116,836 km (0.107 R)
• M2: 424,110 km (0.075 R)
• M3: 760,855 km (0.116 R)
• M4: 1,108,670 km (0.114 R)
• M5: 1,406,519 km (0.106 R)
• M6: 1,714,840 km (0.113 R)
• M7: 2,139,100 km (0.076 R)
• M8: 2,597,468 km (0.119 R)
• M9: 3,200,497 km (0.069 R)
• M10: 3,787,220 km (0.111 R)
• M11: 4,790,722 km (0.045 R)
• M12: 5,441,623 km (0.117 R)
• M13: 6,450,361 km (0.105 R)
• M14: 8,050,609 km (0.035 R)
• M15: 9,052,167 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.2

Radius: 14.9

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.12 AU - 3.34 AU

Year: 3059 Days

Day: 8.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,487,693 km

• M1: 185,801 km (0.025 R)
• M2: 798,404 km (0.12 R)
• M3: 1,429,408 km (0.077 R)
• M4: 2,085,245 km (0.077 R)
• M5: 2,938,701 km (0.076 R)
• M6: 3,495,055 km (0.083 R)
• M7: 4,143,113 km (0.105 R)
• M8: 5,762,959 km (0.083 R)
• M9: 6,494,492 km (0.086 R)
• M10: 7,005,818 km (0.064 R)
• M11: 8,316,146 km (0.048 R)
• M12: 9,707,256 km (0.105 R)
• M13: 10,745,166 km (0.074 R)
• M14: 12,348,257 km (0.054 R)
• M15: 13,183,612 km (0.117 R)
• M16: 13,810,127 km (0.074 R)
• M17: 14,557,668 km (0.108 R)
• M18: 15,332,136 km (0.035 R)
• M19: 16,683,753 km (0.098 R)
• M20: 17,647,313 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.6

Radius: 12

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.72 AU - 4.26 AU

Year: 4422 Days

Day: 13.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,487,693 km

• M1: 149,299 km (0.1 R)
• M2: 823,387 km (0.086 R)
• M3: 2,440,689 km (0.081 R)
• M4: 3,236,849 km (0.079 R)
• M5: 3,896,426 km (0.116 R)
• M6: 4,772,920 km (0.074 R)
• M7: 6,983,229 km (0.104 R)
• M8: 8,660,670 km (0.068 R)
• M9: 10,281,263 km (0.085 R)
• M10: 12,542,734 km (0.099 R)
• M11: 13,417,882 km (0.116 R)
• M12: 14,005,502 km (0.078 R)
• M13: 16,773,063 km (0.082 R)
• M14: 17,644,620 km (0.116 R)
• M15: 18,027,291 km (0.11 R)
• M16: 20,024,273 km (0.045 R)
• M17: 20,580,777 km (0.12 R)
• M18: 23,214,149 km (0.09 R)
• M19: 24,611,542 km (0.056 R)
• M20: 26,229,294 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.4

Radius: 8.6

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.2 AU - 6 AU

Year: 7812 Days

Day: 14.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 32,487,693 km

• M1: 107,112 km (0.051 R)
• M2: 402,867 km (0.087 R)
• M3: 900,280 km (0.073 R)
• M4: 2,141,643 km (0.064 R)
• M5: 2,900,104 km (0.045 R)
• M6: 3,550,406 km (0.088 R)
• M7: 3,946,392 km (0.117 R)
• M8: 4,345,968 km (0.041 R)
• M9: 5,344,085 km (0.101 R)
• M10: 6,797,428 km (0.11 R)
• M11: 7,117,119 km (0.076 R)
• M12: 7,558,881 km (0.107 R)
• M13: 7,979,999 km (0.102 R)
• M14: 9,250,983 km (0.117 R)
• M15: 9,688,407 km (0.115 R)
• M16: 13,146,960 km (0.087 R)
• M17: 13,756,422 km (0.045 R)
• M18: 14,211,349 km (0.089 R)
• M19: 15,151,272 km (0.119 R)
• M20: 16,638,275 km (0.095 R)
• M21: 19,328,643 km (0.075 R)
• M22: 20,334,988 km (0.106 R)
• M23: 21,149,997 km (0.103 R)
• M24: 22,141,083 km (0.069 R)
• M25: 23,322,607 km (0.1 R)
• M26: 28,106,149 km (0.103 R)
• M27: 31,897,856 km (0.101 R)
• M28: 34,850,918 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.8

Radius: 11.3

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.98 AU - 6.28 AU

Year: 9061 Days

Day: 8.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,487,693 km

• M1: 145,110 km (0.051 R)
• M2: 518,955 km (0.067 R)
• M3: 921,373 km (0.089 R)
• M4: 1,587,682 km (0.08 R)
• M5: 2,015,383 km (0.053 R)
• M6: 2,641,300 km (0.107 R)
• M7: 3,107,896 km (0.104 R)
• M8: 6,068,138 km (0.118 R)
• M9: 7,339,272 km (0.088 R)
• M10: 7,924,648 km (0.104 R)
• M11: 8,462,153 km (0.062 R)
• M12: 9,482,560 km (0.112 R)
• M13: 11,620,314 km (0.071 R)
• M14: 15,139,454 km (0.078 R)
• M15: 18,106,578 km (0.114 R)
• M16: 20,429,384 km (0.046 R)
• M17: 21,884,972 km (0.082 R)
• M18: 22,867,531 km (0.08 R)
• M19: 23,408,626 km (0.069 R)
• M20: 26,751,091 km (0.069 R)
• M21: 29,754,268 km (0.073 R)
• M22: 30,678,783 km (0.12 R)
• M23: 31,622,148 km (0.117 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 12,836 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit