🌌 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: 454.2

Radius: 13

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.51 AU - 0.53 AU

Year: 264 Days

Day: 15 Hours

Environment

Temp: -142 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 12,091,274 km

• M1: 161,715 km (0.057 R)
• M2: 760,406 km (0.102 R)
• M3: 1,198,129 km (0.089 R)
• M4: 1,960,779 km (0.076 R)
• M5: 2,590,736 km (0.116 R)
• M6: 3,102,211 km (0.045 R)
• M7: 3,638,519 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.6

Radius: 13.3

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.6 AU - 0.74 AU

Year: 385 Days

Day: 14.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 12,091,274 km

• M1: 165,455 km (0.087 R)
• M2: 591,660 km (0.087 R)
• M3: 1,105,977 km (0.116 R)
• M4: 1,828,834 km (0.071 R)
• M5: 2,328,940 km (0.079 R)
• M6: 2,841,163 km (0.043 R)
• M7: 3,587,507 km (0.116 R)
• M8: 4,172,285 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.3

Radius: 9.3

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.75 AU - 1.17 AU

Year: 661 Days

Day: 13 Hours

Environment

Temp: -170 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 12,091,274 km

• M1: 115,639 km (0.086 R)
• M2: 411,394 km (0.115 R)
• M3: 808,726 km (0.118 R)
• M4: 1,354,160 km (0.111 R)
• M5: 1,682,228 km (0.09 R)
• M6: 2,325,948 km (0.098 R)
• M7: 2,721,933 km (0.098 R)
• M8: 3,063,615 km (0.116 R)
• M9: 3,581,971 km (0.112 R)
• M10: 4,127,555 km (0.043 R)
• M11: 4,452,332 km (0.028 R)
• M12: 4,928,951 km (0.056 R)
• M13: 5,348,722 km (0.084 R)
• M14: 5,679,184 km (0.1 R)
• M15: 6,180,486 km (0.1 R)
• M16: 7,227,672 km (0.063 R)
• M17: 7,957,410 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.2

Radius: 13.8

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1 AU - 1.42 AU

Year: 936 Days

Day: 13 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,091,274 km

• M1: 171,589 km (0.112 R)
• M2: 613,800 km (0.038 R)
• M3: 1,164,171 km (0.097 R)
• M4: 1,774,081 km (0.094 R)
• M5: 2,208,962 km (0.084 R)
• M6: 3,275,445 km (0.077 R)
• M7: 4,416,728 km (0.064 R)
• M8: 5,412,601 km (0.113 R)
• M9: 6,223,571 km (0.062 R)
• M10: 6,786,657 km (0.059 R)
• M11: 7,706,834 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.3

Radius: 8.6

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.15 AU - 1.39 AU

Year: 1006 Days

Day: 6.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,091,274 km

• M1: 111,002 km (0.084 R)
• M2: 626,067 km (0.063 R)
• M3: 1,727,855 km (0.099 R)
• M4: 2,577,721 km (0.056 R)
• M5: 3,096,078 km (0.114 R)
• M6: 3,994,562 km (0.093 R)
• M7: 4,373,195 km (0.043 R)
• M8: 5,910,163 km (0.101 R)
• M9: 6,381,546 km (0.081 R)
• M10: 6,702,284 km (0.117 R)
• M11: 7,634,578 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.6

Radius: 9.4

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.4 AU - 1.8 AU

Year: 1423 Days

Day: 10.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 12,091,274 km

• M1: 117,584 km (0.065 R)
• M2: 628,610 km (0.069 R)
• M3: 921,972 km (0.071 R)
• M4: 1,280,408 km (0.092 R)
• M5: 1,590,525 km (0.084 R)
• M6: 2,299,020 km (0.078 R)
• M7: 2,713,107 km (0.059 R)
• M8: 3,134,674 km (0.084 R)
• M9: 4,076,991 km (0.111 R)
• M10: 6,397,703 km (0.088 R)
• M11: 7,929,435 km (0.09 R)
• M12: 8,490,427 km (0.102 R)
• M13: 8,850,808 km (0.032 R)
• M14: 9,279,257 km (0.102 R)
• M15: 10,116,257 km (0.092 R)

Asteroid Belt

Center: 1.89 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.6

Radius: 14.5

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.65 AU - 2.69 AU

Year: 2247 Days

Day: 5.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 12,091,274 km

• M1: 180,265 km (0.098 R)
• M2: 635,043 km (0.111 R)
• M3: 1,210,247 km (0.068 R)
• M4: 1,744,162 km (0.099 R)
• M5: 2,603,901 km (0.115 R)
• M6: 3,975,414 km (0.096 R)
• M7: 5,207,951 km (0.094 R)
• M8: 5,855,261 km (0.086 R)
• M9: 6,555,827 km (0.1 R)
• M10: 7,338,823 km (0.048 R)
• M11: 9,441,870 km (0.12 R)
• M12: 10,202,276 km (0.08 R)
• M13: 11,218,943 km (0.106 R)
• M14: 12,770,273 km (0.075 R)
• M15: 13,909,161 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.9

Radius: 12.5

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.28 AU - 3.58 AU

Year: 3525 Days

Day: 13.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 12,091,274 km

• M1: 155,582 km (0.037 R)
• M2: 605,423 km (0.089 R)
• M3: 1,132,605 km (0.054 R)
• M4: 1,544,000 km (0.096 R)
• M5: 2,850,288 km (0.092 R)
• M6: 3,299,531 km (0.072 R)
• M7: 3,733,963 km (0.046 R)
• M8: 4,671,044 km (0.082 R)
• M9: 5,566,686 km (0.054 R)
• M10: 7,664,198 km (0.108 R)
• M11: 8,504,340 km (0.034 R)
• M12: 9,327,427 km (0.108 R)
• M13: 9,758,419 km (0.08 R)
• M14: 10,409,319 km (0.114 R)
• M15: 12,163,653 km (0.11 R)
• M16: 12,774,013 km (0.099 R)
• M17: 16,306,617 km (0.055 R)
• M18: 16,933,581 km (0.032 R)
• M19: 18,787,249 km (0.061 R)
• M20: 19,413,166 km (0.112 R)
• M21: 21,782,198 km (0.044 R)
• M22: 23,753,449 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.6

Radius: 9

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.83 AU - 3.19 AU

Year: 3671 Days

Day: 10.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 12,091,274 km

• M1: 114,891 km (0.09 R)
• M2: 1,018,612 km (0.09 R)
• M3: 1,738,626 km (0.114 R)
• M4: 3,416,965 km (0.117 R)
• M5: 3,747,277 km (0.098 R)
• M6: 7,442,793 km (0.115 R)
• M7: 8,082,175 km (0.094 R)
• M8: 9,747,648 km (0.106 R)
• M9: 12,019,591 km (0.115 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: 371 - 12,645 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit