🌌 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: 261.7

Radius: 10.1

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.9 AU - 1.06 AU

Year: 670 Days

Day: 5.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 104.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,314,636 km

• M1: 126,410 km (0.071 R)
• M2: 445,802 km (0.095 R)
• M3: 843,882 km (0.112 R)
• M4: 1,164,470 km (0.114 R)
• M5: 1,609,972 km (0.106 R)
• M6: 2,344,049 km (0.034 R)
• M7: 2,976,399 km (0.108 R)
• M8: 3,450,624 km (0.078 R)
• M9: 3,781,685 km (0.097 R)
• M10: 5,309,228 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.8

Radius: 9.2

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.82 AU - 1.18 AU

Year: 690 Days

Day: 5.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,314,636 km

• M1: 114,442 km (0.064 R)
• M2: 530,324 km (0.044 R)
• M3: 936,034 km (0.113 R)
• M4: 1,248,843 km (0.117 R)
• M5: 1,560,755 km (0.066 R)
• M6: 1,989,502 km (0.054 R)
• M7: 2,398,652 km (0.111 R)
• M8: 2,698,147 km (0.073 R)
• M9: 3,468,726 km (0.103 R)
• M10: 3,883,411 km (0.111 R)
• M11: 4,172,883 km (0.117 R)
• M12: 5,535,121 km (0.093 R)
• M13: 5,902,833 km (0.103 R)
• M14: 6,369,728 km (0.03 R)
• M15: 7,240,387 km (0.081 R)
• M16: 7,680,803 km (0.077 R)
• M17: 8,412,636 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.2

Radius: 10.5

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.05 AU - 1.19 AU

Year: 818 Days

Day: 6.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,314,636 km

• M1: 130,599 km (0.085 R)
• M2: 463,005 km (0.078 R)
• M3: 871,707 km (0.105 R)
• M4: 1,458,579 km (0.096 R)
• M5: 2,080,607 km (0.106 R)
• M6: 3,201,694 km (0.111 R)
• M7: 3,766,126 km (0.095 R)
• M8: 4,163,159 km (0.107 R)
• M9: 4,653,541 km (0.084 R)
• M10: 5,379,240 km (0.101 R)
• M11: 5,788,540 km (0.089 R)
• M12: 6,503,169 km (0.108 R)
• M13: 7,410,331 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.1

Radius: 11.4

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.03 AU - 1.63 AU

Year: 1059 Days

Day: 11.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,314,636 km

• M1: 141,819 km (0.086 R)
• M2: 611,556 km (0.078 R)
• M3: 1,281,605 km (0.077 R)
• M4: 1,647,521 km (0.077 R)
• M5: 2,033,334 km (0.05 R)
• M6: 2,758,734 km (0.104 R)
• M7: 3,649,440 km (0.119 R)
• M8: 4,045,874 km (0.058 R)
• M9: 4,524,139 km (0.102 R)
• M10: 4,888,559 km (0.088 R)
• M11: 5,332,117 km (0.119 R)
• M12: 5,823,546 km (0.086 R)
• M13: 6,709,764 km (0.057 R)
• M14: 7,234,403 km (0.069 R)
• M15: 8,666,354 km (0.117 R)
• M16: 10,310,285 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.3

Radius: 15

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.58 AU - 2.78 AU

Year: 3028 Days

Day: 8.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,314,636 km

• M1: 186,549 km (0.082 R)
• M2: 668,553 km (0.117 R)
• M3: 1,821,952 km (0.064 R)
• M4: 2,375,913 km (0.06 R)
• M5: 2,968,171 km (0.089 R)
• M6: 3,435,066 km (0.102 R)
• M7: 4,027,474 km (0.071 R)
• M8: 5,883,086 km (0.055 R)
• M9: 6,457,093 km (0.095 R)
• M10: 7,113,528 km (0.059 R)
• M11: 8,332,003 km (0.034 R)
• M12: 8,978,116 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 585.5

Radius: 4.4

Gravity: 30.24 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.07 AU - 7.83 AU

Year: 12647 Days

Day: 22.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,314,636 km

• M1: 56,847 km (0.092 R)
• M2: 636,240 km (0.09 R)
• M3: 1,297,911 km (0.09 R)
• M4: 1,592,469 km (0.033 R)
• M5: 3,456,010 km (0.082 R)
• M6: 4,897,535 km (0.057 R)
• M7: 5,329,424 km (0.073 R)
• M8: 5,607,676 km (0.091 R)
• M9: 8,011,564 km (0.094 R)
• M10: 9,538,510 km (0.067 R)
• M11: 10,585,545 km (0.027 R)
• M12: 10,803,809 km (0.112 R)
• M13: 12,598,385 km (0.113 R)
• M14: 12,843,426 km (0.1 R)
• M15: 13,091,758 km (0.086 R)
• M16: 15,542,770 km (0.066 R)
• M17: 16,471,922 km (0.096 R)
• M18: 26,356,602 km (0.086 R)
• M19: 27,571,935 km (0.067 R)
• M20: 31,329,235 km (0.118 R)
• M21: 38,926,264 km (0.107 R)
• M22: 39,185,666 km (0.104 R)
• M23: 45,189,178 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.4

Radius: 4.9

Gravity: 29.59 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.42 AU - 11.52 AU

Year: 20116 Days

Day: 16.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,314,636 km

• M1: 90,956 km (0.098 R)
• M2: 316,549 km (0.077 R)
• M3: 736,321 km (0.047 R)
• M4: 1,089,372 km (0.12 R)
• M5: 1,450,351 km (0.107 R)
• M6: 1,650,065 km (0.111 R)
• M7: 2,640,103 km (0.083 R)
• M8: 3,097,274 km (0.086 R)
• M9: 3,635,378 km (0.113 R)
• M10: 4,167,497 km (0.105 R)
• M11: 4,643,518 km (0.116 R)
• M12: 6,686,726 km (0.11 R)
• M13: 7,928,986 km (0.084 R)
• M14: 8,498,206 km (0.111 R)
• M15: 8,765,837 km (0.117 R)
• M16: 8,929,048 km (0.068 R)
• M17: 10,613,071 km (0.085 R)
• M18: 13,267,686 km (0.083 R)
• M19: 15,527,212 km (0.118 R)
• M20: 19,012,393 km (0.048 R)
• M21: 32,133,623 km (0.085 R)
• M22: 36,021,372 km (0.087 R)
• M23: 47,672,054 km (0.11 R)
• M24: 48,686,178 km (0.057 R)
• M25: 55,817,509 km (0.101 R)
• M26: 57,133,072 km (0.099 R)
• M27: 60,610,624 km (0.115 R)
• M28: 62,200,551 km (0.087 R)
• M29: 66,087,403 km (0.111 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 17,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit