🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.9

Radius: 8.6

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.67 AU - 0.75 AU

Year: 380 Days

Day: 12.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,105,501 km

• M1: 107,411 km (0.063 R)
• M2: 458,218 km (0.072 R)
• M3: 762,949 km (0.106 R)
• M4: 1,082,191 km (0.113 R)
• M5: 1,520,662 km (0.084 R)
• M6: 1,826,889 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.4

Radius: 12.3

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.6 AU - 2.14 AU

Year: 1626 Days

Day: 14.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,105,501 km

• M1: 153,039 km (0.102 R)
• M2: 1,018,612 km (0.111 R)
• M3: 1,674,299 km (0.109 R)
• M4: 2,894,719 km (0.089 R)
• M5: 3,625,953 km (0.104 R)
• M6: 4,457,119 km (0.107 R)
• M7: 5,276,616 km (0.1 R)
• M8: 9,995,831 km (0.047 R)
• M9: 11,285,963 km (0.062 R)
• M10: 12,205,840 km (0.084 R)
• M11: 15,450,169 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.9

Radius: 11.4

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.64 AU - 2.38 AU

Year: 1812 Days

Day: 5.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,105,501 km

• M1: 141,819 km (0.102 R)
• M2: 606,320 km (0.092 R)
• M3: 1,171,501 km (0.095 R)
• M4: 1,857,557 km (0.099 R)
• M5: 2,529,251 km (0.033 R)
• M6: 3,224,133 km (0.107 R)
• M7: 3,696,414 km (0.079 R)
• M8: 4,162,411 km (0.063 R)
• M9: 5,192,841 km (0.104 R)
• M10: 5,844,490 km (0.1 R)
• M11: 6,247,357 km (0.114 R)
• M12: 7,235,002 km (0.065 R)
• M13: 7,967,433 km (0.095 R)
• M14: 8,951,488 km (0.098 R)
• M15: 9,427,658 km (0.114 R)
• M16: 9,826,935 km (0.113 R)
• M17: 11,025,513 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.2

Radius: 12.2

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.26 AU - 5.16 AU

Year: 6499 Days

Day: 6.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,105,501 km

• M1: 151,692 km (0.092 R)
• M2: 1,520,363 km (0.101 R)
• M3: 2,624,994 km (0.114 R)
• M4: 3,333,041 km (0.095 R)
• M5: 4,619,582 km (0.103 R)
• M6: 6,031,337 km (0.115 R)
• M7: 12,021,236 km (0.085 R)
• M8: 12,478,706 km (0.112 R)
• M9: 13,121,379 km (0.089 R)
• M10: 15,619,364 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.4

Radius: 14.5

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.69 AU - 4.93 AU

Year: 6707 Days

Day: 7.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,105,501 km

• M1: 185,651 km (0.051 R)
• M2: 713,133 km (0.095 R)
• M3: 1,382,883 km (0.102 R)
• M4: 2,015,083 km (0.065 R)
• M5: 2,837,273 km (0.07 R)
• M6: 4,546,878 km (0.119 R)
• M7: 5,094,406 km (0.08 R)
• M8: 6,062,454 km (0.11 R)
• M9: 7,932,128 km (0.049 R)
• M10: 9,405,069 km (0.098 R)
• M11: 9,889,766 km (0.114 R)
• M12: 10,813,832 km (0.116 R)
• M13: 11,444,836 km (0.088 R)
• M14: 12,463,747 km (0.069 R)
• M15: 13,157,881 km (0.034 R)
• M16: 14,275,975 km (0.12 R)
• M17: 15,095,772 km (0.102 R)
• M18: 15,639,111 km (0.093 R)
• M19: 16,510,519 km (0.119 R)
• M20: 23,784,416 km (0.087 R)
• M21: 24,686,790 km (0.083 R)
• M22: 25,357,437 km (0.118 R)
• M23: 27,087,238 km (0.098 R)
• M24: 27,890,877 km (0.098 R)
• M25: 29,452,081 km (0.108 R)
• M26: 30,397,240 km (0.1 R)
• M27: 31,362,595 km (0.031 R)
• M28: 33,354,491 km (0.119 R)

Asteroid Belt

Center: 5.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.7

Radius: 4.5

Gravity: 27.05 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.19 AU - 6.21 AU

Year: 9816 Days

Day: 17.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,105,501 km

• M1: 65,374 km (0.095 R)
• M2: 232,325 km (0.11 R)
• M3: 498,161 km (0.105 R)
• M4: 749,934 km (0.093 R)
• M5: 919,728 km (0.08 R)
• M6: 1,494,034 km (0.055 R)
• M7: 1,661,883 km (0.116 R)
• M8: 2,019,272 km (0.089 R)
• M9: 2,278,824 km (0.08 R)
• M10: 3,147,390 km (0.09 R)
• M11: 5,378,642 km (0.093 R)
• M12: 6,589,337 km (0.117 R)
• M13: 9,870,617 km (0.101 R)
• M14: 10,313,726 km (0.108 R)
• M15: 11,081,462 km (0.067 R)
• M16: 11,831,696 km (0.092 R)
• M17: 12,331,652 km (0.074 R)
• M18: 13,915,594 km (0.104 R)
• M19: 15,043,861 km (0.054 R)
• M20: 15,564,462 km (0.091 R)
• M21: 21,122,621 km (0.099 R)
• M22: 22,106,227 km (0.026 R)
• M23: 22,693,698 km (0.105 R)
• M24: 25,881,180 km (0.096 R)
• M25: 37,800,390 km (0.103 R)
• M26: 38,038,999 km (0.077 R)
• M27: 40,108,236 km (0.116 R)
• M28: 40,730,713 km (0.106 R)
• M29: 43,155,246 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.3

Radius: 5.8

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 8.6 AU - 13.7 AU

Year: 23673 Days

Day: 16.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 172.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,105,501 km

• M1: 72,106 km (0.117 R)
• M2: 278,252 km (0.091 R)
• M3: 481,406 km (0.088 R)
• M4: 1,050,476 km (0.103 R)
• M5: 1,313,619 km (0.059 R)
• M6: 1,653,356 km (0.105 R)
• M7: 1,936,096 km (0.116 R)
• M8: 2,229,756 km (0.083 R)
• M9: 2,441,886 km (0.094 R)
• M10: 3,213,063 km (0.109 R)
• M11: 3,920,212 km (0.076 R)
• M12: 4,230,478 km (0.102 R)
• M13: 4,658,029 km (0.093 R)
• M14: 5,223,359 km (0.075 R)
• M15: 5,484,557 km (0.088 R)
• M16: 5,952,649 km (0.062 R)
• M17: 9,122,179 km (0.114 R)
• M18: 11,683,295 km (0.11 R)
• M19: 20,927,994 km (0.064 R)
• M20: 31,834,427 km (0.1 R)
• M21: 32,206,028 km (0.045 R)
• M22: 33,466,091 km (0.073 R)
• M23: 34,889,664 km (0.077 R)
• M24: 37,305,520 km (0.119 R)
• M25: 42,019,948 km (0.112 R)
• M26: 45,845,015 km (0.066 R)
• M27: 47,437,934 km (0.106 R)
• M28: 50,733,724 km (0.085 R)
• M29: 57,776,942 km (0.097 R)
• M30: 58,700,708 km (0.099 R)
• M31: 62,494,211 km (0.077 R)
• M32: 64,847,087 km (0.052 R)
• M33: 66,246,575 km (0.045 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: 506 - 15,609 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit