🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.9

Radius: 8.5

Gravity: 13.56 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.56 AU - 0.82 AU

Year: 396 Days

Day: 14 Hours

Environment

Temp: -167 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,865,023 km

• M1: 109,057 km (0.091 R)
• M2: 386,262 km (0.074 R)
• M3: 753,973 km (0.09 R)
• M4: 1,023,549 km (0.07 R)
• M5: 1,314,816 km (0.112 R)
• M6: 1,830,180 km (0.077 R)
• M7: 2,113,369 km (0.112 R)
• M8: 2,503,969 km (0.064 R)
• M9: 3,394,226 km (0.115 R)
• M10: 4,235,864 km (0.098 R)
• M11: 4,705,751 km (0.114 R)
• M12: 5,226,351 km (0.118 R)
• M13: 5,594,362 km (0.105 R)
• M14: 6,252,293 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.5

Radius: 9.1

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.56 AU - 0.84 AU

Year: 404 Days

Day: 7.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,865,023 km

• M1: 114,143 km (0.042 R)
• M2: 545,883 km (0.11 R)
• M3: 1,160,431 km (0.074 R)
• M4: 1,629,420 km (0.107 R)
• M5: 1,999,974 km (0.09 R)
• M6: 2,318,318 km (0.116 R)
• M7: 2,738,389 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.9

Radius: 13

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.78 AU - 1.3 AU

Year: 732 Days

Day: 5.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,865,023 km

• M1: 161,865 km (0.068 R)
• M2: 686,056 km (0.094 R)
• M3: 1,436,888 km (0.074 R)
• M4: 1,859,502 km (0.095 R)
• M5: 2,322,806 km (0.092 R)
• M6: 2,957,101 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.1

Radius: 9.6

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2 AU - 2.02 AU

Year: 1967 Days

Day: 6.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,865,023 km

• M1: 119,678 km (0.1 R)
• M2: 581,188 km (0.098 R)
• M3: 908,209 km (0.117 R)
• M4: 1,662,631 km (0.063 R)
• M5: 1,973,944 km (0.053 R)
• M6: 2,415,407 km (0.082 R)
• M7: 2,906,986 km (0.101 R)
• M8: 3,741,592 km (0.094 R)
• M9: 4,147,751 km (0.088 R)
• M10: 4,583,380 km (0.077 R)
• M11: 7,042,021 km (0.109 R)
• M12: 7,433,219 km (0.088 R)
• M13: 9,145,516 km (0.07 R)
• M14: 9,476,876 km (0.095 R)
• M15: 9,919,685 km (0.106 R)
• M16: 11,869,693 km (0.1 R)
• M17: 12,464,943 km (0.053 R)
• M18: 14,018,667 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.4

Radius: 14.1

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.76 AU - 2.62 AU

Year: 2237 Days

Day: 9.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,865,023 km

• M1: 176,376 km (0.076 R)
• M2: 781,200 km (0.097 R)
• M3: 1,279,660 km (0.117 R)
• M4: 1,974,094 km (0.075 R)
• M5: 2,435,753 km (0.099 R)
• M6: 2,897,412 km (0.109 R)
• M7: 3,718,704 km (0.099 R)
• M8: 4,298,096 km (0.077 R)
• M9: 4,916,534 km (0.034 R)
• M10: 5,480,518 km (0.058 R)
• M11: 6,382,743 km (0.078 R)
• M12: 7,465,083 km (0.08 R)
• M13: 8,065,120 km (0.042 R)
• M14: 8,635,537 km (0.087 R)
• M15: 9,992,839 km (0.119 R)
• M16: 12,328,510 km (0.053 R)
• M17: 14,218,230 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.2

Radius: 13.8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.19 AU - 2.73 AU

Year: 2663 Days

Day: 13.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,865,023 km

• M1: 171,589 km (0.109 R)
• M2: 714,330 km (0.107 R)
• M3: 1,803,552 km (0.03 R)
• M4: 2,283,163 km (0.107 R)
• M5: 3,035,939 km (0.107 R)
• M6: 3,892,088 km (0.072 R)
• M7: 5,364,430 km (0.108 R)
• M8: 6,214,296 km (0.032 R)
• M9: 6,755,241 km (0.098 R)
• M10: 7,415,866 km (0.109 R)
• M11: 9,001,753 km (0.049 R)
• M12: 9,484,056 km (0.078 R)
• M13: 11,830,648 km (0.12 R)
• M14: 12,664,208 km (0.12 R)
• M15: 16,344,315 km (0.1 R)
• M16: 16,856,090 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.4

Radius: 4

Gravity: 59.96 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 7.05 AU - 8.61 AU

Year: 15124 Days

Day: 15.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 50,865,023 km

• M1: 49,816 km (0.101 R)
• M2: 191,036 km (0.091 R)
• M3: 489,634 km (0.085 R)
• M4: 854,054 km (0.093 R)
• M5: 1,319,603 km (0.104 R)
• M6: 1,754,035 km (0.077 R)
• M7: 4,845,325 km (0.094 R)
• M8: 5,096,500 km (0.086 R)
• M9: 6,105,687 km (0.085 R)
• M10: 7,241,135 km (0.086 R)
• M11: 8,875,941 km (0.084 R)
• M12: 11,669,831 km (0.115 R)
• M13: 13,969,599 km (0.104 R)
• M14: 14,477,932 km (0.105 R)
• M15: 15,073,930 km (0.053 R)
• M16: 16,235,109 km (0.083 R)
• M17: 16,796,849 km (0.048 R)
• M18: 17,205,850 km (0.097 R)
• M19: 19,801,223 km (0.08 R)
• M20: 20,257,646 km (0.089 R)
• M21: 24,061,920 km (0.057 R)
• M22: 28,316,035 km (0.11 R)
• M23: 28,662,653 km (0.093 R)
• M24: 29,246,533 km (0.056 R)
• M25: 36,473,906 km (0.115 R)
• M26: 36,610,339 km (0.119 R)
• M27: 37,435,970 km (0.098 R)
• M28: 39,410,811 km (0.119 R)
• M29: 40,862,958 km (0.094 R)
• M30: 45,908,295 km (0.104 R)
• M31: 49,159,506 km (0.054 R)
• M32: 59,449,147 km (0.093 R)
• M33: 60,780,418 km (0.098 R)
• M34: 63,305,181 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.8

Radius: 3.3

Gravity: 32.49 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 6.2 AU - 9.52 AU

Year: 15211 Days

Day: 18.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,865,023 km

• M1: 98,136 km (0.109 R)
• M2: 261,198 km (0.115 R)
• M3: 491,878 km (0.116 R)
• M4: 717,621 km (0.081 R)
• M5: 1,041,351 km (0.093 R)
• M6: 1,497,325 km (0.116 R)
• M7: 2,452,059 km (0.114 R)
• M8: 3,149,634 km (0.117 R)
• M9: 3,887,749 km (0.117 R)
• M10: 6,743,274 km (0.096 R)
• M11: 9,403,872 km (0.116 R)
• M12: 9,552,722 km (0.097 R)
• M13: 11,407,735 km (0.094 R)
• M14: 13,615,650 km (0.103 R)
• M15: 13,934,294 km (0.106 R)
• M16: 15,741,436 km (0.07 R)
• M17: 16,163,152 km (0.072 R)
• M18: 16,882,718 km (0.075 R)
• M19: 18,231,493 km (0.108 R)
• M20: 24,626,502 km (0.113 R)
• M21: 26,160,628 km (0.104 R)
• M22: 29,312,057 km (0.074 R)
• M23: 30,057,204 km (0.109 R)
• M24: 30,596,953 km (0.109 R)
• M25: 30,814,768 km (0.119 R)
• M26: 35,509,299 km (0.116 R)
• M27: 37,463,496 km (0.104 R)
• M28: 38,975,332 km (0.031 R)
• M29: 45,147,441 km (0.109 R)
• M30: 45,288,511 km (0.106 R)
• M31: 47,292,824 km (0.096 R)
• M32: 47,583,941 km (0.082 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 16,897 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit