🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.2

Radius: 13.2

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.33 AU - 1.37 AU

Year: 1029 Days

Day: 5.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,176,704 km

• M1: 164,109 km (0.114 R)
• M2: 639,680 km (0.092 R)
• M3: 1,470,547 km (0.052 R)
• M4: 1,909,617 km (0.096 R)
• M5: 2,391,920 km (0.107 R)
• M6: 2,982,234 km (0.117 R)
• M7: 3,808,313 km (0.118 R)
• M8: 4,726,994 km (0.084 R)
• M9: 5,180,425 km (0.099 R)
• M10: 5,809,334 km (0.092 R)
• M11: 6,375,562 km (0.03 R)
• M12: 7,098,718 km (0.046 R)
• M13: 8,006,628 km (0.09 R)
• M14: 8,681,464 km (0.079 R)
• M15: 10,583,451 km (0.108 R)
• M16: 11,001,427 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.1

Radius: 14.9

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.39 AU - 2.05 AU

Year: 1480 Days

Day: 10 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,176,704 km

• M1: 185,352 km (0.055 R)
• M2: 685,158 km (0.084 R)
• M3: 1,305,391 km (0.111 R)
• M4: 2,032,287 km (0.059 R)
• M5: 2,540,920 km (0.095 R)
• M6: 3,135,272 km (0.037 R)
• M7: 3,821,926 km (0.047 R)
• M8: 4,291,963 km (0.077 R)
• M9: 5,245,201 km (0.105 R)
• M10: 5,783,753 km (0.064 R)
• M11: 6,822,261 km (0.098 R)
• M12: 7,572,345 km (0.086 R)
• M13: 9,207,450 km (0.09 R)
• M14: 11,067,699 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.3

Radius: 13.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.2 AU - 2.34 AU

Year: 2244 Days

Day: 6.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,176,704 km

• M1: 172,935 km (0.062 R)
• M2: 621,130 km (0.1 R)
• M3: 1,318,256 km (0.108 R)
• M4: 2,328,640 km (0.084 R)
• M5: 2,802,716 km (0.063 R)
• M6: 3,270,509 km (0.118 R)
• M7: 4,095,990 km (0.052 R)
• M8: 4,666,406 km (0.108 R)
• M9: 5,428,608 km (0.118 R)
• M10: 6,383,940 km (0.065 R)
• M11: 10,453,600 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.6

Radius: 12

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.97 AU - 3.47 AU

Year: 3790 Days

Day: 11.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,176,704 km

• M1: 154,086 km (0.095 R)
• M2: 665,262 km (0.07 R)
• M3: 1,494,932 km (0.104 R)
• M4: 2,270,297 km (0.098 R)
• M5: 4,015,506 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.3

Radius: 3.7

Gravity: 14.78 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.54 AU - 8.1 AU

Year: 11684 Days

Day: 15.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,176,704 km

• M1: 47,572 km (0.115 R)
• M2: 163,062 km (0.063 R)
• M3: 378,183 km (0.063 R)
• M4: 773,421 km (0.04 R)
• M5: 1,120,039 km (0.092 R)
• M6: 1,695,991 km (0.106 R)
• M7: 2,343,451 km (0.112 R)
• M8: 3,058,528 km (0.115 R)
• M9: 3,812,203 km (0.086 R)
• M10: 4,989,837 km (0.119 R)
• M11: 5,552,923 km (0.089 R)
• M12: 6,157,149 km (0.098 R)
• M13: 6,664,286 km (0.113 R)
• M14: 7,309,053 km (0.056 R)
• M15: 9,983,713 km (0.083 R)
• M16: 18,356,856 km (0.104 R)
• M17: 21,534,763 km (0.097 R)
• M18: 21,917,584 km (0.05 R)
• M19: 27,048,193 km (0.115 R)
• M20: 28,952,574 km (0.063 R)
• M21: 29,984,799 km (0.092 R)
• M22: 31,431,709 km (0.087 R)
• M23: 34,568,029 km (0.118 R)
• M24: 34,882,184 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.3

Radius: 6.7

Gravity: 19.5 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.13 AU - 7.69 AU

Year: 11916 Days

Day: 22.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,176,704 km

• M1: 83,326 km (0.111 R)
• M2: 441,164 km (0.059 R)
• M3: 1,028,785 km (0.028 R)
• M4: 2,143,289 km (0.108 R)
• M5: 3,875,931 km (0.103 R)
• M6: 4,470,583 km (0.052 R)
• M7: 4,724,899 km (0.103 R)
• M8: 5,227,698 km (0.079 R)
• M9: 5,728,701 km (0.097 R)
• M10: 6,993,700 km (0.112 R)
• M11: 7,424,542 km (0.115 R)
• M12: 10,226,062 km (0.117 R)
• M13: 10,951,611 km (0.091 R)
• M14: 13,996,526 km (0.119 R)
• M15: 14,680,787 km (0.083 R)
• M16: 15,386,889 km (0.067 R)
• M17: 15,603,208 km (0.087 R)
• M18: 18,439,434 km (0.051 R)
• M19: 20,279,338 km (0.094 R)
• M20: 21,873,004 km (0.087 R)
• M21: 22,607,380 km (0.051 R)
• M22: 23,358,212 km (0.115 R)
• M23: 23,835,728 km (0.088 R)
• M24: 24,515,351 km (0.073 R)
• M25: 25,710,189 km (0.05 R)
• M26: 27,574,478 km (0.099 R)
• M27: 29,305,624 km (0.101 R)
• M28: 32,271,402 km (0.115 R)
• M29: 38,525,790 km (0.101 R)
• M30: 39,058,508 km (0.11 R)
• M31: 40,002,471 km (0.067 R)
• M32: 42,925,613 km (0.034 R)
• M33: 44,804,861 km (0.113 R)
• M34: 50,135,632 km (0.063 R)
• M35: 56,214,691 km (0.025 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.8

Radius: 6

Gravity: 20.13 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.33 AU - 11.35 AU

Year: 20249 Days

Day: 17.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,176,704 km

• M1: 74,649 km (0.105 R)
• M2: 279,898 km (0.1 R)
• M3: 917,633 km (0.109 R)
• M4: 1,167,911 km (0.116 R)
• M5: 1,384,977 km (0.083 R)
• M6: 2,204,474 km (0.029 R)
• M7: 2,492,600 km (0.082 R)
• M8: 3,628,197 km (0.056 R)
• M9: 3,872,490 km (0.12 R)
• M10: 4,779,203 km (0.096 R)
• M11: 6,284,307 km (0.046 R)
• M12: 7,239,191 km (0.104 R)
• M13: 8,820,440 km (0.102 R)
• M14: 10,930,219 km (0.11 R)
• M15: 11,247,516 km (0.098 R)
• M16: 12,648,201 km (0.085 R)
• M17: 13,644,223 km (0.071 R)
• M18: 13,938,034 km (0.108 R)
• M19: 21,032,264 km (0.072 R)
• M20: 22,426,815 km (0.119 R)
• M21: 28,503,331 km (0.077 R)
• M22: 29,591,955 km (0.066 R)
• M23: 30,959,878 km (0.089 R)
• M24: 31,340,156 km (0.048 R)
• M25: 33,023,880 km (0.1 R)
• M26: 35,040,758 km (0.116 R)
• M27: 37,999,954 km (0.055 R)
• M28: 38,435,882 km (0.037 R)
• M29: 42,510,479 km (0.063 R)
• M30: 42,823,288 km (0.104 R)
• M31: 44,571,190 km (0.069 R)
• M32: 57,200,990 km (0.094 R)
• M33: 65,359,908 km (0.055 R)
• M34: 65,985,676 km (0.045 R)
• M35: 70,696,962 km (0.119 R)
• M36: 74,260,832 km (0.071 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 17,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit