🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.6

Radius: 11.8

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.7 AU - 1.08 AU

Year: 580 Days

Day: 13.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,360,842 km

• M1: 146,905 km (0.047 R)
• M2: 540,796 km (0.101 R)
• M3: 1,040,603 km (0.094 R)
• M4: 2,134,313 km (0.081 R)
• M5: 2,985,375 km (0.075 R)
• M6: 3,528,715 km (0.108 R)
• M7: 4,007,278 km (0.116 R)
• M8: 4,482,551 km (0.072 R)
• M9: 5,266,144 km (0.12 R)
• M10: 5,636,698 km (0.113 R)
• M11: 6,854,874 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.3

Radius: 13.8

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.53 AU - 1.71 AU

Year: 1423 Days

Day: 10.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,360,842 km

• M1: 179,069 km (0.099 R)
• M2: 700,716 km (0.102 R)
• M3: 1,643,183 km (0.099 R)
• M4: 3,234,904 km (0.1 R)
• M5: 3,802,030 km (0.101 R)
• M6: 4,513,517 km (0.092 R)
• M7: 5,155,442 km (0.093 R)
• M8: 5,801,705 km (0.113 R)
• M9: 7,366,349 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.3

Radius: 13

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.86 AU - 2.62 AU

Year: 2314 Days

Day: 6.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,360,842 km

• M1: 161,715 km (0.095 R)
• M2: 621,579 km (0.105 R)
• M3: 1,171,202 km (0.119 R)
• M4: 1,798,466 km (0.083 R)
• M5: 2,214,946 km (0.083 R)
• M6: 2,949,322 km (0.11 R)
• M7: 3,470,671 km (0.099 R)
• M8: 5,940,531 km (0.039 R)
• M9: 7,065,059 km (0.09 R)
• M10: 8,902,569 km (0.078 R)
• M11: 9,440,224 km (0.055 R)
• M12: 10,100,250 km (0.119 R)
• M13: 10,580,609 km (0.116 R)
• M14: 11,076,077 km (0.081 R)
• M15: 11,661,304 km (0.058 R)
• M16: 12,075,540 km (0.057 R)
• M17: 14,126,377 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.9

Radius: 9.6

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.81 AU - 3.05 AU

Year: 3462 Days

Day: 14.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,360,842 km

• M1: 119,379 km (0.077 R)
• M2: 587,770 km (0.111 R)
• M3: 1,258,567 km (0.091 R)
• M4: 1,622,838 km (0.045 R)
• M5: 2,333,128 km (0.068 R)
• M6: 3,276,044 km (0.116 R)
• M7: 3,953,423 km (0.094 R)
• M8: 4,921,620 km (0.118 R)
• M9: 6,099,105 km (0.09 R)
• M10: 6,864,897 km (0.117 R)
• M11: 8,698,817 km (0.111 R)
• M12: 9,001,603 km (0.069 R)
• M13: 10,283,806 km (0.116 R)
• M14: 11,775,596 km (0.089 R)
• M15: 12,960,860 km (0.118 R)
• M16: 13,406,512 km (0.075 R)
• M17: 13,760,162 km (0.096 R)
• M18: 15,567,154 km (0.111 R)
• M19: 16,585,467 km (0.111 R)
• M20: 18,380,193 km (0.093 R)
• M21: 20,300,880 km (0.056 R)
• M22: 25,526,932 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.9

Radius: 11.2

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.98 AU - 4.34 AU

Year: 4833 Days

Day: 9 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,360,842 km

• M1: 139,724 km (0.05 R)
• M2: 548,276 km (0.077 R)
• M3: 1,566,589 km (0.06 R)
• M4: 2,139,848 km (0.098 R)
• M5: 2,501,276 km (0.116 R)
• M6: 2,997,193 km (0.115 R)
• M7: 3,931,731 km (0.065 R)
• M8: 4,479,559 km (0.118 R)
• M9: 5,410,506 km (0.071 R)
• M10: 6,182,132 km (0.03 R)
• M11: 7,944,395 km (0.075 R)
• M12: 11,748,818 km (0.062 R)
• M13: 12,185,943 km (0.09 R)
• M14: 12,684,403 km (0.104 R)
• M15: 14,703,676 km (0.107 R)
• M16: 16,203,245 km (0.089 R)
• M17: 16,623,914 km (0.081 R)
• M18: 18,837,364 km (0.102 R)
• M19: 19,436,803 km (0.092 R)
• M20: 20,814,749 km (0.095 R)
• M21: 23,457,395 km (0.105 R)
• M22: 24,543,027 km (0.07 R)
• M23: 25,580,787 km (0.084 R)
• M24: 27,658,253 km (0.099 R)
• M25: 28,782,032 km (0.083 R)
• M26: 29,133,737 km (0.101 R)
• M27: 30,116,146 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.2

Radius: 11.5

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.01 AU - 5.89 AU

Year: 8782 Days

Day: 10 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,360,842 km

• M1: 143,016 km (0.106 R)
• M2: 1,374,505 km (0.088 R)
• M3: 2,041,413 km (0.081 R)
• M4: 2,450,114 km (0.089 R)
• M5: 3,602,018 km (0.099 R)
• M6: 4,873,450 km (0.099 R)
• M7: 7,803,324 km (0.102 R)
• M8: 18,664,878 km (0.091 R)
• M9: 23,345,645 km (0.102 R)
• M10: 25,276,206 km (0.097 R)
• M11: 28,069,348 km (0.038 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.7

Radius: 14.7

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.91 AU - 6.11 AU

Year: 8928 Days

Day: 7.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,360,842 km

• M1: 182,809 km (0.112 R)
• M2: 1,474,287 km (0.108 R)
• M3: 2,300,366 km (0.055 R)
• M4: 2,820,668 km (0.101 R)
• M5: 4,174,379 km (0.118 R)
• M6: 4,746,142 km (0.113 R)
• M7: 6,392,766 km (0.056 R)
• M8: 7,506,073 km (0.079 R)
• M9: 8,705,549 km (0.114 R)
• M10: 9,187,104 km (0.084 R)
• M11: 9,943,022 km (0.093 R)
• M12: 15,322,412 km (0.118 R)
• M13: 16,813,604 km (0.06 R)
• M14: 20,642,861 km (0.12 R)
• M15: 26,327,580 km (0.093 R)
• M16: 26,998,526 km (0.106 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 15,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit