🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.6

Radius: 10.8

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.52 AU - 0.62 AU

Year: 287 Days

Day: 12.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,258,358 km

• M1: 134,339 km (0.058 R)
• M2: 569,669 km (0.039 R)
• M3: 943,663 km (0.08 R)
• M4: 1,322,146 km (0.104 R)
• M5: 1,713,344 km (0.11 R)
• M6: 2,055,325 km (0.111 R)
• M7: 2,461,035 km (0.068 R)
• M8: 2,990,312 km (0.066 R)
• M9: 3,391,683 km (0.069 R)
• M10: 3,781,236 km (0.119 R)
• M11: 4,342,976 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150

Radius: 13.6

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.6 AU - 0.82 AU

Year: 399 Days

Day: 14 Hours

Environment

Temp: -161 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,258,358 km

• M1: 169,345 km (0.086 R)
• M2: 614,548 km (0.097 R)
• M3: 1,154,596 km (0.085 R)
• M4: 1,803,552 km (0.041 R)
• M5: 2,512,646 km (0.031 R)
• M6: 2,986,273 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.1

Radius: 10

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.75 AU - 0.97 AU

Year: 532 Days

Day: 15 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 83,258,358 km

• M1: 124,316 km (0.097 R)
• M2: 471,981 km (0.081 R)
• M3: 1,314,816 km (0.053 R)
• M4: 2,913,718 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.5

Radius: 13.9

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.7 AU - 2.4 AU

Year: 1957 Days

Day: 5.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,258,358 km

• M1: 172,935 km (0.088 R)
• M2: 956,678 km (0.06 R)
• M3: 1,970,653 km (0.117 R)
• M4: 2,561,864 km (0.11 R)
• M5: 3,049,253 km (0.061 R)
• M6: 4,268,326 km (0.05 R)
• M7: 4,858,789 km (0.108 R)
• M8: 5,310,724 km (0.066 R)
• M9: 6,041,510 km (0.097 R)
• M10: 7,093,632 km (0.109 R)
• M11: 8,178,815 km (0.041 R)
• M12: 9,783,701 km (0.103 R)
• M13: 10,307,293 km (0.087 R)
• M14: 10,746,363 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.9

Radius: 8.1

Gravity: 14.77 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.9 AU - 2.58 AU

Year: 2236 Days

Day: 14.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,258,358 km

• M1: 100,679 km (0.039 R)
• M2: 524,341 km (0.032 R)
• M3: 975,528 km (0.118 R)
• M4: 1,334,563 km (0.054 R)
• M5: 1,815,071 km (0.108 R)
• M6: 2,174,255 km (0.086 R)
• M7: 2,625,293 km (0.117 R)
• M8: 3,275,296 km (0.12 R)
• M9: 3,733,364 km (0.054 R)
• M10: 4,381,422 km (0.107 R)
• M11: 5,221,564 km (0.1 R)
• M12: 6,192,305 km (0.103 R)
• M13: 7,930,482 km (0.102 R)
• M14: 8,486,388 km (0.026 R)
• M15: 9,822,895 km (0.027 R)
• M16: 10,159,042 km (0.082 R)
• M17: 10,697,145 km (0.085 R)
• M18: 11,416,562 km (0.098 R)
• M19: 12,253,412 km (0.043 R)
• M20: 13,356,247 km (0.059 R)
• M21: 14,190,256 km (0.089 R)
• M22: 16,741,797 km (0.062 R)
• M23: 17,492,329 km (0.082 R)
• M24: 17,986,601 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.9

Radius: 15

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.09 AU - 2.81 AU

Year: 2557 Days

Day: 5.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,258,358 km

• M1: 186,549 km (0.082 R)
• M2: 813,064 km (0.052 R)
• M3: 1,545,196 km (0.115 R)
• M4: 2,537,030 km (0.055 R)
• M5: 3,508,369 km (0.114 R)
• M6: 5,539,759 km (0.091 R)
• M7: 6,513,342 km (0.074 R)
• M8: 7,026,762 km (0.12 R)
• M9: 12,252,664 km (0.116 R)
• M10: 12,772,816 km (0.11 R)
• M11: 14,662,536 km (0.075 R)
• M12: 15,548,455 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.5

Radius: 14.3

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.49 AU - 6.39 AU

Year: 8461 Days

Day: 13.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,258,358 km

• M1: 181,612 km (0.09 R)
• M2: 722,857 km (0.085 R)
• M3: 1,168,359 km (0.061 R)
• M4: 1,641,089 km (0.108 R)
• M5: 2,210,907 km (0.043 R)
• M6: 3,206,331 km (0.1 R)
• M7: 3,758,497 km (0.117 R)
• M8: 4,621,976 km (0.052 R)
• M9: 5,330,172 km (0.084 R)
• M10: 6,386,333 km (0.112 R)
• M11: 7,696,661 km (0.11 R)
• M12: 8,956,724 km (0.116 R)
• M13: 11,201,739 km (0.058 R)
• M14: 11,724,135 km (0.089 R)
• M15: 15,398,707 km (0.056 R)
• M16: 17,186,402 km (0.054 R)
• M17: 18,166,118 km (0.116 R)
• M18: 19,331,037 km (0.044 R)
• M19: 20,545,024 km (0.074 R)
• M20: 23,802,517 km (0.047 R)
• M21: 26,278,063 km (0.099 R)
• M22: 28,436,311 km (0.069 R)
• M23: 38,258,159 km (0.078 R)
• M24: 40,779,931 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.4

Radius: 6.1

Gravity: 18.58 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 10.45 AU - 10.61 AU

Year: 22786 Days

Day: 21.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,258,358 km

• M1: 76,893 km (0.048 R)
• M2: 304,132 km (0.115 R)
• M3: 891,005 km (0.101 R)
• M4: 1,114,504 km (0.091 R)
• M5: 1,344,586 km (0.101 R)
• M6: 1,554,771 km (0.071 R)
• M7: 1,863,092 km (0.081 R)
• M8: 2,553,935 km (0.098 R)
• M9: 2,931,370 km (0.073 R)
• M10: 3,491,614 km (0.075 R)
• M11: 3,956,864 km (0.103 R)
• M12: 4,859,836 km (0.072 R)
• M13: 5,766,998 km (0.093 R)
• M14: 6,151,016 km (0.119 R)
• M15: 6,461,431 km (0.109 R)
• M16: 7,113,528 km (0.115 R)
• M17: 9,862,240 km (0.041 R)
• M18: 10,980,783 km (0.074 R)
• M19: 12,112,640 km (0.066 R)
• M20: 14,373,214 km (0.08 R)
• M21: 14,920,144 km (0.11 R)
• M22: 17,246,839 km (0.108 R)
• M23: 18,679,538 km (0.105 R)
• M24: 21,074,151 km (0.117 R)
• M25: 25,886,416 km (0.106 R)
• M26: 30,481,165 km (0.102 R)
• M27: 33,510,821 km (0.077 R)
• M28: 34,749,042 km (0.109 R)
• M29: 36,303,514 km (0.114 R)
• M30: 39,096,506 km (0.104 R)
• M31: 41,557,092 km (0.111 R)
• M32: 43,793,131 km (0.107 R)
• M33: 45,940,010 km (0.091 R)
• M34: 60,715,941 km (0.119 R)
• M35: 61,936,810 km (0.107 R)
• M36: 62,553,302 km (0.053 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 19,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit