🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.3

Radius: 11.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.9 AU - 1.06 AU

Year: 670 Days

Day: 7.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,083,930 km

• M1: 144,212 km (0.053 R)
• M2: 599,738 km (0.104 R)
• M3: 993,479 km (0.108 R)
• M4: 1,435,840 km (0.118 R)
• M5: 1,941,631 km (0.044 R)
• M6: 2,403,888 km (0.099 R)
• M7: 2,839,816 km (0.077 R)
• M8: 3,860,822 km (0.099 R)
• M9: 4,503,195 km (0.117 R)
• M10: 4,879,135 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.9

Radius: 11

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.97 AU - 3.13 AU

Year: 2811 Days

Day: 13.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,083,930 km

• M1: 136,732 km (0.028 R)
• M2: 499,507 km (0.098 R)
• M3: 861,833 km (0.064 R)
• M4: 1,391,260 km (0.089 R)
• M5: 1,848,132 km (0.112 R)
• M6: 2,482,876 km (0.061 R)
• M7: 3,538,289 km (0.113 R)
• M8: 4,600,883 km (0.103 R)
• M9: 5,306,685 km (0.1 R)
• M10: 5,840,301 km (0.112 R)
• M11: 7,458,950 km (0.097 R)
• M12: 11,483,731 km (0.089 R)
• M13: 12,578,638 km (0.089 R)
• M14: 12,985,993 km (0.095 R)
• M15: 15,712,264 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244

Radius: 8.7

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.57 AU - 5.43 AU

Year: 7717 Days

Day: 10 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,083,930 km

• M1: 108,458 km (0.072 R)
• M2: 403,316 km (0.118 R)
• M3: 854,353 km (0.034 R)
• M4: 1,539,063 km (0.096 R)
• M5: 2,325,499 km (0.08 R)
• M6: 3,141,106 km (0.119 R)
• M7: 3,885,954 km (0.086 R)
• M8: 4,182,308 km (0.059 R)
• M9: 5,190,448 km (0.101 R)
• M10: 6,509,153 km (0.09 R)
• M11: 7,027,809 km (0.089 R)
• M12: 7,644,152 km (0.103 R)
• M13: 8,184,799 km (0.097 R)
• M14: 8,521,244 km (0.117 R)
• M15: 9,504,701 km (0.104 R)
• M16: 9,793,125 km (0.107 R)
• M17: 15,468,569 km (0.08 R)
• M18: 15,868,295 km (0.114 R)
• M19: 16,748,080 km (0.051 R)
• M20: 17,352,306 km (0.109 R)
• M21: 19,252,648 km (0.073 R)
• M22: 21,996,721 km (0.038 R)
• M23: 23,838,271 km (0.082 R)
• M24: 24,218,549 km (0.05 R)
• M25: 25,860,086 km (0.119 R)
• M26: 26,504,554 km (0.1 R)
• M27: 27,325,098 km (0.033 R)
• M28: 27,993,651 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.2

Radius: 3.8

Gravity: 60.82 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.27 AU - 6.81 AU

Year: 11545 Days

Day: 16 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,083,930 km

• M1: 47,572 km (0.039 R)
• M2: 252,372 km (0.082 R)
• M3: 421,716 km (0.086 R)
• M4: 1,007,841 km (0.11 R)
• M5: 1,251,087 km (0.05 R)
• M6: 1,941,032 km (0.096 R)
• M7: 3,575,988 km (0.105 R)
• M8: 9,163,767 km (0.074 R)
• M9: 10,210,653 km (0.064 R)
• M10: 10,650,770 km (0.12 R)
• M11: 11,866,552 km (0.029 R)
• M12: 20,025,021 km (0.106 R)
• M13: 25,681,018 km (0.086 R)
• M14: 29,143,460 km (0.101 R)
• M15: 29,915,984 km (0.116 R)
• M16: 31,271,640 km (0.103 R)
• M17: 36,085,998 km (0.111 R)
• M18: 36,338,968 km (0.082 R)
• M19: 42,487,142 km (0.098 R)
• M20: 46,400,024 km (0.061 R)
• M21: 49,448,679 km (0.109 R)
• M22: 50,388,602 km (0.109 R)
• M23: 53,937,063 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.8

Radius: 3.3

Gravity: 62.88 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.53 AU - 9.85 AU

Year: 17682 Days

Day: 24.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,083,930 km

• M1: 40,990 km (0.097 R)
• M2: 159,023 km (0.118 R)
• M3: 344,374 km (0.047 R)
• M4: 560,394 km (0.093 R)
• M5: 927,058 km (0.04 R)
• M6: 1,497,774 km (0.072 R)
• M7: 2,251,149 km (0.085 R)
• M8: 4,693,932 km (0.077 R)
• M9: 9,946,613 km (0.109 R)
• M10: 10,587,341 km (0.099 R)
• M11: 12,741,251 km (0.097 R)
• M12: 17,638,636 km (0.12 R)
• M13: 21,678,377 km (0.059 R)
• M14: 23,151,018 km (0.113 R)
• M15: 25,643,469 km (0.097 R)
• M16: 37,818,940 km (0.09 R)
• M17: 39,085,884 km (0.114 R)
• M18: 39,371,168 km (0.103 R)
• M19: 39,657,947 km (0.111 R)
• M20: 49,419,058 km (0.109 R)
• M21: 49,585,710 km (0.099 R)
• M22: 51,443,417 km (0.117 R)
• M23: 56,927,525 km (0.104 R)
• M24: 58,776,405 km (0.113 R)
• M25: 59,904,672 km (0.109 R)
• M26: 65,160,943 km (0.096 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 17,962 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit