🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.1

Radius: 14.1

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1 AU - 1.14 AU

Year: 751 Days

Day: 7.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,803,756 km

• M1: 175,628 km (0.109 R)
• M2: 712,834 km (0.067 R)
• M3: 1,386,024 km (0.109 R)
• M4: 1,873,564 km (0.045 R)
• M5: 2,514,142 km (0.099 R)
• M6: 3,231,015 km (0.069 R)
• M7: 3,675,320 km (0.06 R)
• M8: 4,336,393 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.9

Radius: 10.4

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.82 AU - 1.34 AU

Year: 761 Days

Day: 14.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,803,756 km

• M1: 129,402 km (0.092 R)
• M2: 461,659 km (0.073 R)
• M3: 845,378 km (0.082 R)
• M4: 1,186,012 km (0.104 R)
• M5: 1,607,280 km (0.049 R)
• M6: 2,184,877 km (0.118 R)
• M7: 2,807,054 km (0.109 R)
• M8: 3,155,019 km (0.093 R)
• M9: 3,531,856 km (0.055 R)
• M10: 3,926,346 km (0.056 R)
• M11: 4,390,249 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.4

Radius: 9.2

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.61 AU - 1.71 AU

Year: 1451 Days

Day: 9.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,803,756 km

• M1: 114,442 km (0.03 R)
• M2: 488,736 km (0.055 R)
• M3: 821,741 km (0.111 R)
• M4: 1,137,393 km (0.102 R)
• M5: 1,961,078 km (0.064 R)
• M6: 2,452,059 km (0.119 R)
• M7: 2,747,066 km (0.089 R)
• M8: 3,123,903 km (0.1 R)
• M9: 3,472,017 km (0.113 R)
• M10: 4,034,206 km (0.067 R)
• M11: 4,617,787 km (0.115 R)
• M12: 4,969,940 km (0.106 R)
• M13: 5,467,653 km (0.117 R)
• M14: 6,205,768 km (0.057 R)
• M15: 6,684,631 km (0.103 R)
• M16: 7,162,148 km (0.054 R)
• M17: 8,129,148 km (0.103 R)
• M18: 9,029,727 km (0.107 R)
• M19: 9,457,577 km (0.116 R)
• M20: 10,453,301 km (0.068 R)
• M21: 10,959,390 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.9

Radius: 9.2

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.51 AU - 1.89 AU

Year: 1503 Days

Day: 5.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,803,756 km

• M1: 114,442 km (0.103 R)
• M2: 424,559 km (0.097 R)
• M3: 860,188 km (0.055 R)
• M4: 1,345,334 km (0.12 R)
• M5: 2,116,959 km (0.07 R)
• M6: 3,425,043 km (0.03 R)
• M7: 3,878,026 km (0.057 R)
• M8: 4,649,801 km (0.117 R)
• M9: 6,791,743 km (0.09 R)
• M10: 7,191,768 km (0.095 R)
• M11: 7,732,714 km (0.083 R)
• M12: 8,514,064 km (0.102 R)
• M13: 10,111,769 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.8

Radius: 10.7

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.63 AU - 2.75 AU

Year: 2992 Days

Day: 5.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 30,803,756 km

• M1: 136,284 km (0.118 R)
• M2: 640,578 km (0.047 R)
• M3: 980,614 km (0.105 R)
• M4: 1,415,345 km (0.061 R)
• M5: 1,827,637 km (0.035 R)
• M6: 2,178,594 km (0.09 R)
• M7: 2,717,595 km (0.114 R)
• M8: 3,438,058 km (0.066 R)
• M9: 5,921,084 km (0.102 R)
• M10: 6,580,661 km (0.098 R)
• M11: 6,974,702 km (0.065 R)
• M12: 7,352,287 km (0.1 R)
• M13: 7,978,354 km (0.053 R)
• M14: 8,603,822 km (0.074 R)
• M15: 9,186,955 km (0.085 R)
• M16: 10,270,791 km (0.114 R)
• M17: 11,265,916 km (0.039 R)
• M18: 11,655,320 km (0.095 R)
• M19: 14,383,985 km (0.109 R)
• M20: 14,739,729 km (0.109 R)
• M21: 15,310,893 km (0.07 R)
• M22: 20,744,587 km (0.055 R)
• M23: 21,264,739 km (0.118 R)
• M24: 21,860,288 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.9

Radius: 11.7

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.43 AU - 3.25 AU

Year: 3246 Days

Day: 14.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,803,756 km

• M1: 151,842 km (0.116 R)
• M2: 790,026 km (0.075 R)
• M3: 2,147,926 km (0.086 R)
• M4: 3,335,733 km (0.051 R)
• M5: 3,957,612 km (0.077 R)
• M6: 4,816,752 km (0.085 R)
• M7: 6,799,822 km (0.044 R)
• M8: 8,532,763 km (0.074 R)
• M9: 11,547,609 km (0.111 R)
• M10: 13,746,399 km (0.031 R)
• M11: 14,166,619 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.9

Radius: 13.4

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.49 AU - 3.57 AU

Year: 3577 Days

Day: 11.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 30,803,756 km

• M1: 166,652 km (0.11 R)
• M2: 753,973 km (0.092 R)
• M3: 1,355,506 km (0.087 R)
• M4: 1,849,927 km (0.089 R)
• M5: 2,270,148 km (0.112 R)
• M6: 3,603,663 km (0.071 R)
• M7: 4,965,004 km (0.111 R)
• M8: 5,791,382 km (0.107 R)
• M9: 6,341,903 km (0.081 R)
• M10: 7,447,730 km (0.081 R)
• M11: 7,959,504 km (0.067 R)
• M12: 8,604,720 km (0.082 R)
• M13: 9,284,493 km (0.043 R)
• M14: 9,717,279 km (0.098 R)
• M15: 10,623,693 km (0.071 R)
• M16: 11,053,936 km (0.07 R)
• M17: 11,495,848 km (0.059 R)
• M18: 14,348,530 km (0.043 R)
• M19: 15,197,199 km (0.115 R)
• M20: 15,633,875 km (0.118 R)
• M21: 17,465,103 km (0.08 R)
• M22: 18,929,666 km (0.108 R)
• M23: 20,015,597 km (0.112 R)
• M24: 20,806,820 km (0.102 R)
• M25: 22,734,239 km (0.106 R)
• M26: 24,404,349 km (0.086 R)
• M27: 25,460,211 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.9

Radius: 6.1

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.68 AU - 7.62 AU

Year: 10344 Days

Day: 24.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 30,803,756 km

• M1: 75,846 km (0.108 R)
• M2: 283,338 km (0.058 R)
• M3: 544,536 km (0.074 R)
• M4: 779,704 km (0.115 R)
• M5: 2,857,319 km (0.084 R)
• M6: 3,691,028 km (0.059 R)
• M7: 4,421,365 km (0.095 R)
• M8: 5,272,278 km (0.079 R)
• M9: 6,040,313 km (0.103 R)
• M10: 6,259,175 km (0.096 R)
• M11: 7,050,548 km (0.112 R)
• M12: 10,214,243 km (0.102 R)
• M13: 10,934,856 km (0.107 R)
• M14: 14,940,040 km (0.05 R)
• M15: 15,926,788 km (0.115 R)
• M16: 16,345,512 km (0.08 R)
• M17: 18,418,789 km (0.051 R)
• M18: 21,016,107 km (0.114 R)
• M19: 22,031,428 km (0.079 R)
• M20: 23,461,284 km (0.06 R)
• M21: 23,847,546 km (0.08 R)
• M22: 27,176,996 km (0.068 R)
• M23: 28,731,917 km (0.118 R)
• M24: 30,345,180 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 17,328 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit