🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136

Radius: 8.9

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.71 AU - 0.91 AU

Year: 486 Days

Day: 11.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,568,855 km

• M1: 113,545 km (0.114 R)
• M2: 460,163 km (0.104 R)
• M3: 1,049,279 km (0.096 R)
• M4: 1,551,480 km (0.085 R)
• M5: 1,839,007 km (0.097 R)
• M6: 2,361,552 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.6

Radius: 13.4

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.44 AU - 5.14 AU

Year: 5925 Days

Day: 11.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,568,855 km

• M1: 169,195 km (0.076 R)
• M2: 640,728 km (0.057 R)
• M3: 1,083,089 km (0.104 R)
• M4: 1,621,940 km (0.112 R)
• M5: 3,135,272 km (0.094 R)
• M6: 7,167,084 km (0.093 R)
• M7: 8,929,347 km (0.111 R)
• M8: 9,444,712 km (0.035 R)
• M9: 11,258,287 km (0.041 R)
• M10: 12,431,134 km (0.074 R)
• M11: 12,911,792 km (0.034 R)
• M12: 13,404,717 km (0.109 R)
• M13: 15,998,295 km (0.088 R)
• M14: 18,701,230 km (0.042 R)
• M15: 23,997,443 km (0.075 R)
• M16: 28,067,253 km (0.1 R)
• M17: 29,082,275 km (0.116 R)
• M18: 31,975,049 km (0.113 R)
• M19: 33,082,223 km (0.053 R)
• M20: 33,696,771 km (0.04 R)
• M21: 36,015,687 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.6

Radius: 11.8

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.43 AU - 4.75 AU

Year: 6558 Days

Day: 14.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,568,855 km

• M1: 146,756 km (0.104 R)
• M2: 762,351 km (0.077 R)
• M3: 2,283,761 km (0.102 R)
• M4: 3,108,793 km (0.115 R)
• M5: 3,869,199 km (0.103 R)
• M6: 5,470,345 km (0.101 R)
• M7: 5,923,627 km (0.116 R)
• M8: 8,579,139 km (0.085 R)
• M9: 10,507,605 km (0.097 R)
• M10: 12,821,884 km (0.105 R)
• M11: 13,978,724 km (0.094 R)
• M12: 17,657,336 km (0.045 R)
• M13: 22,505,354 km (0.1 R)
• M14: 22,917,945 km (0.109 R)
• M15: 27,606,492 km (0.091 R)
• M16: 35,170,011 km (0.026 R)
• M17: 39,066,586 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.7

Radius: 11.3

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.85 AU - 5.63 AU

Year: 7999 Days

Day: 10.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,568,855 km

• M1: 141,071 km (0.105 R)
• M2: 995,125 km (0.043 R)
• M3: 2,031,689 km (0.098 R)
• M4: 3,391,085 km (0.061 R)
• M5: 3,942,053 km (0.068 R)
• M6: 4,551,814 km (0.092 R)
• M7: 4,936,131 km (0.109 R)
• M8: 5,960,578 km (0.117 R)
• M9: 6,591,881 km (0.074 R)
• M10: 7,304,116 km (0.12 R)
• M11: 7,832,645 km (0.08 R)
• M12: 8,882,074 km (0.101 R)
• M13: 9,931,803 km (0.074 R)
• M14: 10,868,136 km (0.101 R)
• M15: 12,487,383 km (0.103 R)
• M16: 12,916,280 km (0.049 R)
• M17: 13,917,090 km (0.108 R)
• M18: 15,822,967 km (0.1 R)
• M19: 16,325,466 km (0.062 R)
• M20: 16,903,512 km (0.1 R)
• M21: 18,442,725 km (0.119 R)
• M22: 20,146,345 km (0.102 R)
• M23: 20,588,108 km (0.09 R)
• M24: 23,538,327 km (0.107 R)
• M25: 24,525,673 km (0.1 R)
• M26: 25,454,826 km (0.108 R)
• M27: 26,407,315 km (0.11 R)
• M28: 28,383,204 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.1

Radius: 9.4

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.7 AU - 6.1 AU

Year: 8368 Days

Day: 12.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,568,855 km

• M1: 117,285 km (0.072 R)
• M2: 455,226 km (0.117 R)
• M3: 913,145 km (0.062 R)
• M4: 1,480,121 km (0.106 R)
• M5: 1,836,463 km (0.079 R)
• M6: 2,987,320 km (0.101 R)
• M7: 4,397,729 km (0.026 R)
• M8: 4,875,993 km (0.118 R)
• M9: 5,173,394 km (0.09 R)
• M10: 6,173,455 km (0.097 R)
• M11: 6,701,386 km (0.062 R)
• M12: 8,132,739 km (0.114 R)
• M13: 9,526,392 km (0.098 R)
• M14: 11,693,916 km (0.095 R)
• M15: 12,780,296 km (0.033 R)
• M16: 13,755,375 km (0.11 R)
• M17: 16,179,010 km (0.117 R)
• M18: 16,843,523 km (0.097 R)
• M19: 18,656,650 km (0.11 R)
• M20: 19,834,882 km (0.066 R)
• M21: 20,442,399 km (0.083 R)
• M22: 22,831,328 km (0.057 R)
• M23: 24,264,625 km (0.073 R)
• M24: 32,759,839 km (0.108 R)
• M25: 34,254,621 km (0.116 R)
• M26: 35,682,982 km (0.12 R)
• M27: 39,011,684 km (0.083 R)
• M28: 39,845,094 km (0.117 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 14,091 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit