🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.1

Radius: 11.3

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.71 AU - 0.99 AU

Year: 523 Days

Day: 8.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,987,344 km

• M1: 140,622 km (0.033 R)
• M2: 512,672 km (0.096 R)
• M3: 970,142 km (0.036 R)
• M4: 1,388,119 km (0.118 R)
• M5: 2,879,759 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.2

Radius: 13.4

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.66 AU - 2.04 AU

Year: 1678 Days

Day: 8.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,987,344 km

• M1: 168,447 km (0.111 R)
• M2: 941,868 km (0.107 R)
• M3: 1,609,523 km (0.106 R)
• M4: 2,100,055 km (0.115 R)
• M5: 2,761,277 km (0.079 R)
• M6: 3,358,023 km (0.075 R)
• M7: 3,856,484 km (0.06 R)
• M8: 4,666,706 km (0.098 R)
• M9: 5,752,337 km (0.109 R)
• M10: 6,945,680 km (0.11 R)
• M11: 9,281,351 km (0.115 R)
• M12: 11,328,897 km (0.028 R)
• M13: 13,790,829 km (0.093 R)
• M14: 14,805,552 km (0.092 R)
• M15: 15,869,492 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.8

Radius: 8.2

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.7 AU - 2.72 AU

Year: 2975 Days

Day: 6.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,987,344 km

• M1: 102,026 km (0.06 R)
• M2: 362,476 km (0.07 R)
• M3: 838,646 km (0.114 R)
• M4: 1,313,769 km (0.08 R)
• M5: 1,934,749 km (0.063 R)
• M6: 2,224,969 km (0.107 R)
• M7: 3,416,516 km (0.039 R)
• M8: 3,728,727 km (0.084 R)
• M9: 4,389,650 km (0.046 R)
• M10: 4,872,103 km (0.061 R)
• M11: 6,073,973 km (0.073 R)
• M12: 6,533,837 km (0.074 R)
• M13: 6,958,844 km (0.094 R)
• M14: 7,462,391 km (0.084 R)
• M15: 7,863,911 km (0.094 R)
• M16: 8,443,304 km (0.048 R)
• M17: 8,777,356 km (0.118 R)
• M18: 9,155,090 km (0.12 R)
• M19: 10,543,658 km (0.09 R)
• M20: 11,859,072 km (0.062 R)
• M21: 13,824,638 km (0.119 R)
• M22: 15,546,061 km (0.034 R)
• M23: 16,150,287 km (0.116 R)
• M24: 17,513,124 km (0.104 R)
• M25: 19,064,902 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.4

Radius: 13.8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.34 AU - 4.26 AU

Year: 4940 Days

Day: 7.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,987,344 km

• M1: 171,589 km (0.092 R)
• M2: 679,324 km (0.117 R)
• M3: 1,205,908 km (0.113 R)
• M4: 1,912,010 km (0.11 R)
• M5: 2,703,982 km (0.05 R)
• M6: 3,226,377 km (0.08 R)
• M7: 4,113,941 km (0.088 R)
• M8: 4,577,695 km (0.083 R)
• M9: 5,158,583 km (0.076 R)
• M10: 6,278,473 km (0.108 R)
• M11: 7,518,789 km (0.043 R)
• M12: 8,916,631 km (0.119 R)
• M13: 9,488,544 km (0.087 R)
• M14: 10,481,276 km (0.102 R)
• M15: 11,447,229 km (0.088 R)
• M16: 12,271,962 km (0.053 R)
• M17: 12,724,496 km (0.064 R)
• M18: 13,397,686 km (0.108 R)
• M19: 15,677,857 km (0.083 R)
• M20: 16,391,588 km (0.088 R)
• M21: 17,189,244 km (0.087 R)
• M22: 20,782,136 km (0.115 R)
• M23: 22,379,841 km (0.105 R)
• M24: 22,980,776 km (0.114 R)
• M25: 25,983,205 km (0.077 R)
• M26: 26,480,169 km (0.057 R)
• M27: 29,595,994 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909

Radius: 8.8

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.34 AU - 4.32 AU

Year: 4998 Days

Day: 8.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,987,344 km

• M1: 109,506 km (0.041 R)
• M2: 481,107 km (0.06 R)
• M3: 819,796 km (0.066 R)
• M4: 1,297,762 km (0.08 R)
• M5: 1,665,024 km (0.075 R)
• M6: 2,289,745 km (0.109 R)
• M7: 3,434,019 km (0.119 R)
• M8: 5,004,348 km (0.089 R)
• M9: 5,640,737 km (0.084 R)
• M10: 5,947,413 km (0.069 R)
• M11: 6,461,282 km (0.073 R)
• M12: 8,377,331 km (0.058 R)
• M13: 9,148,209 km (0.073 R)
• M14: 11,794,595 km (0.103 R)
• M15: 12,297,394 km (0.092 R)
• M16: 13,185,108 km (0.068 R)
• M17: 13,562,693 km (0.03 R)
• M18: 14,058,909 km (0.109 R)
• M19: 14,453,249 km (0.084 R)
• M20: 15,322,861 km (0.055 R)
• M21: 21,361,828 km (0.094 R)
• M22: 23,262,768 km (0.104 R)
• M23: 23,894,221 km (0.109 R)
• M24: 28,638,418 km (0.111 R)
• M25: 29,455,222 km (0.076 R)
• M26: 30,474,433 km (0.088 R)
• M27: 30,945,516 km (0.086 R)
• M28: 31,998,835 km (0.109 R)
• M29: 32,681,450 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.1

Radius: 11.1

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.3 AU - 4.62 AU

Year: 6281 Days

Day: 10.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,987,344 km

• M1: 138,079 km (0.112 R)
• M2: 505,342 km (0.057 R)
• M3: 907,012 km (0.051 R)
• M4: 1,402,779 km (0.103 R)
• M5: 2,464,027 km (0.071 R)
• M6: 3,389,888 km (0.091 R)
• M7: 3,786,771 km (0.064 R)
• M8: 4,192,630 km (0.117 R)
• M9: 5,194,337 km (0.084 R)
• M10: 7,049,351 km (0.117 R)
• M11: 7,767,121 km (0.081 R)
• M12: 8,677,574 km (0.093 R)
• M13: 9,386,668 km (0.107 R)
• M14: 9,933,598 km (0.111 R)
• M15: 11,394,571 km (0.081 R)
• M16: 11,792,202 km (0.1 R)
• M17: 12,851,055 km (0.071 R)
• M18: 13,624,327 km (0.107 R)
• M19: 14,275,227 km (0.083 R)
• M20: 14,841,904 km (0.079 R)
• M21: 15,693,116 km (0.115 R)
• M22: 16,352,693 km (0.034 R)
• M23: 16,745,836 km (0.085 R)
• M24: 18,868,480 km (0.104 R)
• M25: 23,499,133 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.9

Radius: 7.1

Gravity: 19.48 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.26 AU - 9.74 AU

Year: 18005 Days

Day: 22.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,987,344 km

• M1: 88,263 km (0.089 R)
• M2: 342,130 km (0.066 R)
• M3: 645,066 km (0.099 R)
• M4: 2,377,559 km (0.081 R)
• M5: 4,234,667 km (0.115 R)
• M6: 5,012,426 km (0.101 R)
• M7: 6,440,787 km (0.075 R)
• M8: 8,070,057 km (0.056 R)
• M9: 8,383,614 km (0.09 R)
• M10: 12,951,136 km (0.106 R)
• M11: 17,174,434 km (0.109 R)
• M12: 18,223,863 km (0.103 R)
• M13: 18,492,690 km (0.105 R)
• M14: 22,030,530 km (0.065 R)
• M15: 31,426,623 km (0.106 R)
• M16: 31,943,035 km (0.113 R)
• M17: 33,392,788 km (0.033 R)
• M18: 37,858,883 km (0.097 R)
• M19: 38,443,661 km (0.107 R)
• M20: 42,079,936 km (0.116 R)
• M21: 42,865,175 km (0.114 R)
• M22: 48,295,429 km (0.08 R)
• M23: 51,620,989 km (0.071 R)
• M24: 51,979,725 km (0.103 R)
• M25: 66,451,225 km (0.108 R)
• M26: 70,557,237 km (0.118 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: 393 - 12,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit