🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.6

Radius: 14.6

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.51 AU - 0.65 AU

Year: 295 Days

Day: 13.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 89,580,418 km

• M1: 181,761 km (0.037 R)
• M2: 669,899 km (0.096 R)
• M3: 1,736,083 km (0.105 R)
• M4: 2,267,006 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.6

Radius: 10.7

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.66 AU - 0.82 AU

Year: 424 Days

Day: 12.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 89,580,418 km

• M1: 136,882 km (0.101 R)
• M2: 493,075 km (0.117 R)
• M3: 1,504,356 km (0.09 R)
• M4: 1,939,237 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.9

Radius: 14.2

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.89 AU - 3.07 AU

Year: 3430 Days

Day: 6.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,580,418 km

• M1: 176,525 km (0.052 R)
• M2: 701,913 km (0.03 R)
• M3: 1,171,651 km (0.109 R)
• M4: 1,703,321 km (0.104 R)
• M5: 3,126,446 km (0.054 R)
• M6: 3,746,978 km (0.11 R)
• M7: 4,288,223 km (0.101 R)
• M8: 6,966,324 km (0.115 R)
• M9: 7,552,598 km (0.095 R)
• M10: 8,566,572 km (0.049 R)
• M11: 9,278,958 km (0.049 R)
• M12: 9,828,879 km (0.1 R)
• M13: 11,037,630 km (0.111 R)
• M14: 11,791,005 km (0.098 R)
• M15: 13,155,188 km (0.065 R)
• M16: 13,900,784 km (0.091 R)
• M17: 14,938,843 km (0.114 R)
• M18: 15,586,004 km (0.11 R)
• M19: 16,251,864 km (0.039 R)
• M20: 17,052,661 km (0.092 R)
• M21: 17,999,915 km (0.061 R)
• M22: 19,934,664 km (0.036 R)
• M23: 22,772,536 km (0.036 R)
• M24: 23,558,224 km (0.113 R)
• M25: 25,563,434 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.2

Radius: 12.5

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.12 AU - 4.34 AU

Year: 5801 Days

Day: 11.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,580,418 km

• M1: 157,676 km (0.078 R)
• M2: 671,246 km (0.111 R)
• M3: 1,481,318 km (0.114 R)
• M4: 2,051,884 km (0.06 R)
• M5: 3,537,690 km (0.057 R)
• M6: 4,792,218 km (0.119 R)
• M7: 7,873,336 km (0.109 R)
• M8: 8,755,963 km (0.094 R)
• M9: 11,942,697 km (0.106 R)
• M10: 16,119,021 km (0.09 R)
• M11: 21,598,641 km (0.048 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.2

Radius: 5.9

Gravity: 22.99 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 7.31 AU - 9.81 AU

Year: 16701 Days

Day: 20.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,580,418 km

• M1: 73,453 km (0.103 R)
• M2: 280,945 km (0.091 R)
• M3: 537,505 km (0.091 R)
• M4: 1,877,304 km (0.094 R)
• M5: 2,067,742 km (0.046 R)
• M6: 2,510,252 km (0.106 R)
• M7: 4,481,653 km (0.081 R)
• M8: 5,147,064 km (0.111 R)
• M9: 6,286,851 km (0.063 R)
• M10: 6,585,298 km (0.036 R)
• M11: 6,893,320 km (0.12 R)
• M12: 7,303,218 km (0.053 R)
• M13: 8,527,677 km (0.088 R)
• M14: 14,431,407 km (0.078 R)
• M15: 21,328,318 km (0.1 R)
• M16: 25,159,819 km (0.045 R)
• M17: 27,237,135 km (0.047 R)
• M18: 30,502,856 km (0.087 R)
• M19: 31,729,708 km (0.11 R)
• M20: 53,040,075 km (0.066 R)
• M21: 56,256,578 km (0.073 R)
• M22: 59,790,230 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.9

Radius: 5

Gravity: 32.56 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 10.14 AU - 11.32 AU

Year: 23438 Days

Day: 17.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 89,580,418 km

• M1: 63,429 km (0.087 R)
• M2: 318,494 km (0.049 R)
• M3: 1,315,264 km (0.054 R)
• M4: 2,069,687 km (0.108 R)
• M5: 2,602,105 km (0.081 R)
• M6: 3,078,724 km (0.061 R)
• M7: 4,135,184 km (0.057 R)
• M8: 5,372,359 km (0.027 R)
• M9: 5,877,700 km (0.099 R)
• M10: 7,844,763 km (0.102 R)
• M11: 8,832,408 km (0.108 R)
• M12: 16,037,041 km (0.103 R)
• M13: 17,618,740 km (0.093 R)
• M14: 17,983,908 km (0.066 R)
• M15: 23,309,592 km (0.099 R)
• M16: 25,333,203 km (0.101 R)
• M17: 26,269,087 km (0.114 R)
• M18: 30,243,603 km (0.102 R)
• M19: 34,743,357 km (0.092 R)
• M20: 36,337,173 km (0.099 R)
• M21: 38,741,361 km (0.09 R)
• M22: 42,706,901 km (0.087 R)
• M23: 45,381,860 km (0.059 R)
• M24: 46,413,039 km (0.095 R)
• M25: 47,989,052 km (0.117 R)
• M26: 53,881,563 km (0.089 R)
• M27: 54,073,048 km (0.056 R)
• M28: 67,076,693 km (0.104 R)
• M29: 69,315,276 km (0.068 R)
• M30: 71,141,716 km (0.108 R)
• M31: 75,128,799 km (0.11 R)
• M32: 77,786,405 km (0.113 R)
• M33: 80,256,266 km (0.11 R)
• M34: 82,269,404 km (0.044 R)
• M35: 82,778,037 km (0.079 R)
• M36: 85,351,868 km (0.033 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 14,203 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit