🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.9

Radius: 8.2

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.41 AU - 0.65 AU

Year: 266 Days

Day: 10.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,663,093 km

• M1: 102,026 km (0.069 R)
• M2: 420,071 km (0.093 R)
• M3: 807,978 km (0.082 R)
• M4: 1,193,193 km (0.046 R)
• M5: 2,040,814 km (0.116 R)
• M6: 2,371,126 km (0.075 R)
• M7: 2,628,734 km (0.093 R)
• M8: 3,170,577 km (0.054 R)
• M9: 3,705,390 km (0.1 R)
• M10: 3,982,744 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.5

Radius: 11.8

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.91 AU - 1.07 AU

Year: 680 Days

Day: 7.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,663,093 km

• M1: 146,905 km (0.084 R)
• M2: 530,324 km (0.066 R)
• M3: 996,621 km (0.047 R)
• M4: 1,430,754 km (0.044 R)
• M5: 3,961,800 km (0.099 R)
• M6: 4,668,650 km (0.11 R)
• M7: 6,333,675 km (0.114 R)
• M8: 6,794,885 km (0.032 R)
• M9: 8,119,424 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.9

Radius: 12.9

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.86 AU - 1.24 AU

Year: 743 Days

Day: 5.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,663,093 km

• M1: 160,369 km (0.067 R)
• M2: 785,090 km (0.101 R)
• M3: 1,406,818 km (0.079 R)
• M4: 2,175,901 km (0.089 R)
• M5: 2,657,307 km (0.058 R)
• M6: 3,406,643 km (0.106 R)
• M7: 3,962,848 km (0.064 R)
• M8: 4,766,637 km (0.119 R)
• M9: 5,820,704 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.5

Radius: 10.9

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.18 AU - 1.22 AU

Year: 907 Days

Day: 7.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,663,093 km

• M1: 135,536 km (0.1 R)
• M2: 486,791 km (0.116 R)
• M3: 871,557 km (0.081 R)
• M4: 1,604,138 km (0.062 R)
• M5: 2,192,656 km (0.108 R)
• M6: 2,907,584 km (0.05 R)
• M7: 4,181,709 km (0.1 R)
• M8: 4,943,910 km (0.114 R)
• M9: 5,397,342 km (0.099 R)
• M10: 6,388,128 km (0.055 R)
• M11: 7,471,516 km (0.093 R)
• M12: 8,070,207 km (0.099 R)
• M13: 8,700,463 km (0.09 R)
• M14: 9,166,460 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.5

Radius: 13.4

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.43 AU - 1.65 AU

Year: 1319 Days

Day: 9.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,663,093 km

• M1: 166,652 km (0.108 R)
• M2: 848,070 km (0.1 R)
• M3: 1,396,496 km (0.095 R)
• M4: 2,006,855 km (0.045 R)
• M5: 2,968,919 km (0.083 R)
• M6: 3,407,540 km (0.105 R)
• M7: 4,776,361 km (0.089 R)
• M8: 5,618,148 km (0.076 R)
• M9: 7,000,582 km (0.104 R)
• M10: 7,623,956 km (0.1 R)
• M11: 8,340,680 km (0.084 R)
• M12: 9,406,864 km (0.118 R)
• M13: 10,528,698 km (0.099 R)
• M14: 11,278,333 km (0.083 R)
• M15: 12,506,532 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.2

Radius: 9.1

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.76 AU - 1.82 AU

Year: 1653 Days

Day: 11.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,663,093 km

• M1: 118,332 km (0.115 R)
• M2: 401,670 km (0.071 R)
• M3: 791,672 km (0.096 R)
• M4: 2,046,499 km (0.106 R)
• M5: 2,349,584 km (0.069 R)
• M6: 3,368,645 km (0.114 R)
• M7: 4,734,025 km (0.088 R)
• M8: 5,777,919 km (0.107 R)
• M9: 6,412,662 km (0.071 R)
• M10: 7,042,918 km (0.034 R)
• M11: 9,455,184 km (0.027 R)
• M12: 9,795,070 km (0.044 R)
• M13: 11,202,786 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111

Radius: 9.8

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.14 AU - 3.48 AU

Year: 4157 Days

Day: 6 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,663,093 km

• M1: 121,922 km (0.091 R)
• M2: 556,055 km (0.108 R)
• M3: 907,610 km (0.11 R)
• M4: 1,437,037 km (0.097 R)
• M5: 1,991,746 km (0.077 R)
• M6: 2,445,476 km (0.082 R)
• M7: 3,545,021 km (0.065 R)
• M8: 4,196,370 km (0.07 R)
• M9: 5,509,091 km (0.081 R)
• M10: 6,138,150 km (0.069 R)
• M11: 7,679,158 km (0.096 R)
• M12: 9,658,936 km (0.108 R)
• M13: 14,041,705 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.1

Radius: 11.6

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.44 AU - 5.66 AU

Year: 6699 Days

Day: 5.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,663,093 km

• M1: 144,362 km (0.044 R)
• M2: 533,616 km (0.079 R)
• M3: 1,107,323 km (0.086 R)
• M4: 1,535,024 km (0.118 R)
• M5: 2,129,825 km (0.065 R)
• M6: 2,962,337 km (0.104 R)
• M7: 3,375,078 km (0.083 R)
• M8: 3,804,872 km (0.093 R)
• M9: 4,530,572 km (0.09 R)
• M10: 7,369,191 km (0.102 R)
• M11: 9,179,924 km (0.077 R)
• M12: 11,136,813 km (0.086 R)
• M13: 13,257,513 km (0.12 R)
• M14: 13,763,154 km (0.077 R)
• M15: 14,124,732 km (0.092 R)
• M16: 17,670,650 km (0.113 R)
• M17: 18,595,165 km (0.118 R)
• M18: 19,551,395 km (0.069 R)
• M19: 20,339,925 km (0.096 R)
• M20: 20,945,048 km (0.085 R)
• M21: 22,191,348 km (0.045 R)
• M22: 26,783,704 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.3

Radius: 6.3

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 8.53 AU - 9.29 AU

Year: 18358 Days

Day: 17.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,663,093 km

• M1: 78,539 km (0.093 R)
• M2: 277,354 km (0.11 R)
• M3: 529,726 km (0.112 R)
• M4: 856,448 km (0.088 R)
• M5: 1,272,629 km (0.07 R)
• M6: 1,882,689 km (0.086 R)
• M7: 2,263,117 km (0.103 R)
• M8: 2,916,710 km (0.113 R)
• M9: 3,375,526 km (0.065 R)
• M10: 7,848,951 km (0.061 R)
• M11: 8,879,681 km (0.084 R)
• M12: 10,480,976 km (0.109 R)
• M13: 12,265,679 km (0.073 R)
• M14: 12,633,091 km (0.088 R)
• M15: 17,249,382 km (0.084 R)
• M16: 17,866,175 km (0.118 R)
• M17: 18,657,846 km (0.114 R)
• M18: 27,276,180 km (0.113 R)
• M19: 28,324,861 km (0.063 R)
• M20: 38,868,968 km (0.089 R)
• M21: 40,734,902 km (0.063 R)
• M22: 42,381,077 km (0.116 R)
• M23: 46,838,046 km (0.105 R)
• M24: 48,796,581 km (0.068 R)
• M25: 52,074,570 km (0.103 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: 328 - 10,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit