🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.5

Radius: 13

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.78 AU - 0.82 AU

Year: 494 Days

Day: 14.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 66.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,044,332 km

• M1: 178,321 km (0.049 R)
• M2: 590,313 km (0.072 R)
• M3: 1,011,132 km (0.032 R)
• M4: 2,463,877 km (0.059 R)
• M5: 2,995,548 km (0.071 R)
• M6: 3,480,394 km (0.059 R)
• M7: 4,057,992 km (0.104 R)
• M8: 4,927,455 km (0.079 R)
• M9: 6,041,211 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.7

Radius: 12.9

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.86 AU - 1.06 AU

Year: 649 Days

Day: 7.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,044,332 km

• M1: 162,314 km (0.103 R)
• M2: 703,260 km (0.068 R)
• M3: 1,144,274 km (0.099 R)
• M4: 1,676,543 km (0.03 R)
• M5: 2,349,135 km (0.073 R)
• M6: 2,878,113 km (0.104 R)
• M7: 3,579,727 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.7

Radius: 10.1

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.5 AU - 3.62 AU

Year: 3695 Days

Day: 11.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,044,332 km

• M1: 125,662 km (0.06 R)
• M2: 742,005 km (0.075 R)
• M3: 1,058,255 km (0.03 R)
• M4: 1,603,240 km (0.034 R)
• M5: 3,062,717 km (0.1 R)
• M6: 4,040,638 km (0.099 R)
• M7: 4,498,109 km (0.102 R)
• M8: 4,989,837 km (0.07 R)
• M9: 5,399,436 km (0.097 R)
• M10: 6,183,179 km (0.095 R)
• M11: 8,067,813 km (0.068 R)
• M12: 8,569,265 km (0.11 R)
• M13: 9,462,664 km (0.048 R)
• M14: 10,091,872 km (0.083 R)
• M15: 10,563,554 km (0.079 R)
• M16: 13,577,503 km (0.106 R)
• M17: 16,073,543 km (0.054 R)
• M18: 16,868,357 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.7

Radius: 13.3

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.46 AU - 3.82 AU

Year: 3841 Days

Day: 13.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,044,332 km

• M1: 165,455 km (0.085 R)
• M2: 606,619 km (0.105 R)
• M3: 1,305,092 km (0.109 R)
• M4: 1,788,293 km (0.084 R)
• M5: 2,612,577 km (0.055 R)
• M6: 3,082,763 km (0.076 R)
• M7: 3,904,205 km (0.106 R)
• M8: 5,539,759 km (0.096 R)
• M9: 6,755,092 km (0.096 R)
• M10: 7,481,689 km (0.116 R)
• M11: 11,322,165 km (0.109 R)
• M12: 12,704,001 km (0.039 R)
• M13: 13,435,834 km (0.04 R)
• M14: 14,152,707 km (0.084 R)
• M15: 14,673,906 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 1000

Radius: 11.8

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3 AU - 4.52 AU

Year: 5033 Days

Day: 12.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,044,332 km

• M1: 152,739 km (0.109 R)
• M2: 784,192 km (0.073 R)
• M3: 1,177,186 km (0.09 R)
• M4: 1,628,074 km (0.108 R)
• M5: 2,870,334 km (0.089 R)
• M6: 3,546,816 km (0.044 R)
• M7: 5,631,313 km (0.098 R)
• M8: 6,066,493 km (0.059 R)
• M9: 7,808,111 km (0.115 R)
• M10: 8,390,346 km (0.091 R)
• M11: 8,876,689 km (0.079 R)
• M12: 9,773,229 km (0.118 R)
• M13: 13,309,423 km (0.088 R)
• M14: 14,141,188 km (0.031 R)
• M15: 14,772,790 km (0.071 R)
• M16: 15,363,253 km (0.087 R)
• M17: 17,554,861 km (0.111 R)
• M18: 18,352,068 km (0.103 R)
• M19: 18,759,573 km (0.115 R)
• M20: 19,947,230 km (0.091 R)
• M21: 31,702,631 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.1

Radius: 14.8

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.42 AU - 4.84 AU

Year: 5793 Days

Day: 11.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,044,332 km

• M1: 184,305 km (0.077 R)
• M2: 1,125,126 km (0.093 R)
• M3: 1,746,555 km (0.118 R)
• M4: 2,495,292 km (0.053 R)
• M5: 3,114,628 km (0.082 R)
• M6: 5,031,126 km (0.06 R)
• M7: 5,759,817 km (0.077 R)
• M8: 7,429,180 km (0.092 R)
• M9: 10,117,753 km (0.086 R)
• M10: 11,704,986 km (0.082 R)
• M11: 12,433,977 km (0.099 R)
• M12: 13,929,207 km (0.07 R)
• M13: 14,416,896 km (0.099 R)
• M14: 20,010,062 km (0.104 R)
• M15: 22,426,516 km (0.108 R)
• M16: 28,869,547 km (0.101 R)
• M17: 29,842,382 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.7

Radius: 7.9

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.25 AU - 10.23 AU

Year: 19387 Days

Day: 20.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,044,332 km

• M1: 98,435 km (0.069 R)
• M2: 505,342 km (0.088 R)
• M3: 998,416 km (0.06 R)
• M4: 1,342,790 km (0.073 R)
• M5: 1,765,404 km (0.077 R)
• M6: 2,190,113 km (0.092 R)
• M7: 3,582,869 km (0.104 R)
• M8: 3,945,195 km (0.036 R)
• M9: 4,232,722 km (0.105 R)
• M10: 5,644,926 km (0.075 R)
• M11: 6,221,177 km (0.091 R)
• M12: 7,111,584 km (0.119 R)
• M13: 10,054,473 km (0.034 R)
• M14: 11,468,921 km (0.099 R)
• M15: 12,392,239 km (0.117 R)
• M16: 13,151,897 km (0.092 R)
• M17: 15,070,041 km (0.092 R)
• M18: 16,420,760 km (0.066 R)
• M19: 16,916,078 km (0.107 R)
• M20: 19,360,956 km (0.12 R)
• M21: 21,342,380 km (0.101 R)
• M22: 22,432,500 km (0.102 R)
• M23: 23,559,121 km (0.096 R)
• M24: 26,259,513 km (0.089 R)
• M25: 34,905,372 km (0.084 R)
• M26: 40,608,791 km (0.077 R)
• M27: 41,514,606 km (0.045 R)
• M28: 48,235,889 km (0.037 R)
• M29: 50,281,640 km (0.038 R)
• M30: 52,562,409 km (0.08 R)
• M31: 55,278,657 km (0.053 R)
• M32: 57,140,552 km (0.03 R)
• M33: 63,379,382 km (0.102 R)
• M34: 66,038,484 km (0.11 R)
• M35: 66,662,457 km (0.111 R)
• M36: 68,133,901 km (0.111 R)
• M37: 75,362,919 km (0.104 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 150 - 15,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit