🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.5

Radius: 11.2

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.56 AU - 0.76 AU

Year: 370 Days

Day: 5.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,288,298 km

• M1: 139,425 km (0.099 R)
• M2: 518,656 km (0.109 R)
• M3: 872,754 km (0.114 R)
• M4: 1,410,409 km (0.062 R)
• M5: 2,385,188 km (0.062 R)
• M6: 2,819,321 km (0.11 R)
• M7: 3,593,939 km (0.038 R)
• M8: 5,142,876 km (0.107 R)

Asteroid Belt

Center: 1.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.8

Radius: 10.5

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.39 AU - 1.89 AU

Year: 1450 Days

Day: 14.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,288,298 km

• M1: 130,599 km (0.109 R)
• M2: 544,985 km (0.036 R)
• M3: 976,874 km (0.087 R)
• M4: 1,689,708 km (0.091 R)
• M5: 2,303,807 km (0.117 R)
• M6: 2,645,190 km (0.079 R)
• M7: 3,581,672 km (0.103 R)
• M8: 3,928,141 km (0.116 R)
• M9: 4,314,403 km (0.116 R)
• M10: 5,967,609 km (0.107 R)
• M11: 6,711,559 km (0.106 R)
• M12: 7,093,781 km (0.088 R)
• M13: 7,592,242 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.8

Radius: 8.8

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.06 AU - 3.34 AU

Year: 3951 Days

Day: 10.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,288,298 km

• M1: 109,506 km (0.103 R)
• M2: 433,385 km (0.097 R)
• M3: 796,010 km (0.06 R)
• M4: 1,100,891 km (0.077 R)
• M5: 1,594,265 km (0.105 R)
• M6: 1,983,069 km (0.101 R)
• M7: 2,668,826 km (0.047 R)
• M8: 2,970,266 km (0.112 R)
• M9: 3,866,955 km (0.06 R)
• M10: 4,389,501 km (0.107 R)
• M11: 4,763,495 km (0.105 R)
• M12: 5,847,631 km (0.045 R)
• M13: 6,686,726 km (0.1 R)
• M14: 7,570,999 km (0.098 R)
• M15: 8,075,891 km (0.055 R)
• M16: 8,783,489 km (0.106 R)
• M17: 9,417,036 km (0.12 R)
• M18: 13,193,635 km (0.031 R)
• M19: 14,837,715 km (0.063 R)
• M20: 16,670,140 km (0.031 R)
• M21: 17,698,924 km (0.1 R)
• M22: 19,569,047 km (0.069 R)
• M23: 20,391,237 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.5

Radius: 9.5

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.89 AU - 3.57 AU

Year: 4007 Days

Day: 7.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,288,298 km

• M1: 118,332 km (0.117 R)
• M2: 418,874 km (0.062 R)
• M3: 835,355 km (0.074 R)
• M4: 1,368,821 km (0.11 R)
• M5: 1,713,644 km (0.086 R)
• M6: 2,341,655 km (0.062 R)
• M7: 3,409,186 km (0.097 R)
• M8: 4,317,993 km (0.084 R)
• M9: 5,283,797 km (0.116 R)
• M10: 5,753,983 km (0.072 R)
• M11: 6,144,583 km (0.087 R)
• M12: 7,037,383 km (0.099 R)
• M13: 10,693,705 km (0.095 R)
• M14: 11,774,400 km (0.096 R)
• M15: 12,926,453 km (0.105 R)
• M16: 14,720,879 km (0.089 R)
• M17: 15,502,977 km (0.118 R)
• M18: 17,203,306 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.9

Radius: 14

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.1 AU - 4.68 AU

Year: 6349 Days

Day: 13.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,288,298 km

• M1: 215,571 km (0.084 R)
• M2: 783,145 km (0.099 R)
• M3: 1,433,596 km (0.106 R)
• M4: 3,180,152 km (0.066 R)
• M5: 5,925,422 km (0.099 R)
• M6: 12,709,386 km (0.109 R)
• M7: 14,729,406 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.6

Radius: 12.1

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.27 AU - 5.41 AU

Year: 7350 Days

Day: 14.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,288,298 km

• M1: 150,495 km (0.109 R)
• M2: 761,453 km (0.092 R)
• M3: 1,148,762 km (0.072 R)
• M4: 3,774,803 km (0.054 R)
• M5: 5,927,217 km (0.114 R)
• M6: 7,247,718 km (0.077 R)
• M7: 8,671,291 km (0.103 R)
• M8: 9,272,525 km (0.112 R)
• M9: 15,313,885 km (0.08 R)
• M10: 16,645,456 km (0.096 R)
• M11: 17,039,796 km (0.11 R)
• M12: 17,984,058 km (0.105 R)
• M13: 23,400,099 km (0.078 R)
• M14: 30,887,921 km (0.078 R)
• M15: 31,785,060 km (0.037 R)
• M16: 35,765,560 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.9

Radius: 8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.85 AU - 10.47 AU

Year: 17591 Days

Day: 23.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 129.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,288,298 km

• M1: 116,088 km (0.058 R)
• M2: 522,545 km (0.098 R)
• M3: 3,172,073 km (0.059 R)
• M4: 3,646,747 km (0.067 R)
• M5: 3,963,895 km (0.098 R)
• M6: 4,406,405 km (0.045 R)
• M7: 8,066,467 km (0.084 R)
• M8: 9,945,266 km (0.081 R)
• M9: 11,520,382 km (0.065 R)
• M10: 12,098,429 km (0.036 R)
• M11: 12,585,519 km (0.101 R)
• M12: 15,407,384 km (0.109 R)
• M13: 20,164,147 km (0.103 R)
• M14: 32,235,349 km (0.111 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: 446 - 10,591 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit