🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.8

Radius: 14.3

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.69 AU - 0.93 AU

Year: 512 Days

Day: 6.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,308,479 km

• M1: 177,872 km (0.111 R)
• M2: 734,376 km (0.109 R)
• M3: 1,508,545 km (0.101 R)
• M4: 2,491,104 km (0.091 R)
• M5: 3,125,698 km (0.105 R)
• M6: 4,031,363 km (0.057 R)
• M7: 4,539,099 km (0.032 R)
• M8: 5,305,189 km (0.111 R)
• M9: 5,971,648 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.2

Radius: 9.2

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.7 AU - 2.68 AU

Year: 2278 Days

Day: 9.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,308,479 km

• M1: 114,742 km (0.119 R)
• M2: 441,613 km (0.116 R)
• M3: 744,997 km (0.056 R)
• M4: 1,268,590 km (0.088 R)
• M5: 1,599,351 km (0.118 R)
• M6: 2,281,068 km (0.049 R)
• M7: 2,703,383 km (0.113 R)
• M8: 3,161,003 km (0.104 R)
• M9: 3,546,367 km (0.119 R)
• M10: 4,134,436 km (0.035 R)
• M11: 4,850,861 km (0.049 R)
• M12: 5,647,619 km (0.1 R)
• M13: 5,989,749 km (0.087 R)
• M14: 6,476,241 km (0.114 R)
• M15: 6,933,712 km (0.102 R)
• M16: 7,355,129 km (0.085 R)
• M17: 7,704,440 km (0.077 R)
• M18: 8,982,604 km (0.03 R)
• M19: 11,175,859 km (0.065 R)
• M20: 11,913,974 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.7

Radius: 9.9

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.71 AU - 2.81 AU

Year: 3223 Days

Day: 5.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,308,479 km

• M1: 124,166 km (0.05 R)
• M2: 452,085 km (0.06 R)
• M3: 802,593 km (0.088 R)
• M4: 1,430,006 km (0.116 R)
• M5: 1,840,652 km (0.099 R)
• M6: 2,659,850 km (0.119 R)
• M7: 3,004,524 km (0.094 R)
• M8: 3,397,816 km (0.042 R)
• M9: 4,010,270 km (0.089 R)
• M10: 4,354,345 km (0.099 R)
• M11: 6,239,129 km (0.071 R)
• M12: 7,220,341 km (0.117 R)
• M13: 8,439,265 km (0.097 R)
• M14: 9,006,839 km (0.106 R)
• M15: 9,486,599 km (0.076 R)
• M16: 10,822,359 km (0.064 R)
• M17: 12,057,289 km (0.099 R)
• M18: 12,414,080 km (0.1 R)
• M19: 13,863,235 km (0.112 R)
• M20: 18,235,681 km (0.055 R)
• M21: 19,366,192 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.1

Radius: 6.4

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.01 AU - 6.33 AU

Year: 9490 Days

Day: 21 Hours

Environment

Temp: -218 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,308,479 km

• M1: 83,775 km (0.06 R)
• M2: 374,743 km (0.113 R)
• M3: 847,921 km (0.097 R)
• M4: 2,136,258 km (0.11 R)
• M5: 3,226,676 km (0.119 R)
• M6: 4,418,523 km (0.076 R)
• M7: 6,514,389 km (0.116 R)
• M8: 8,347,112 km (0.112 R)
• M9: 8,653,190 km (0.062 R)
• M10: 13,168,801 km (0.109 R)
• M11: 17,155,734 km (0.098 R)
• M12: 17,938,281 km (0.069 R)
• M13: 28,965,738 km (0.064 R)
• M14: 31,736,291 km (0.103 R)
• M15: 43,533,429 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.1

Radius: 4.1

Gravity: 26.3 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.33 AU - 7.59 AU

Year: 11541 Days

Day: 21.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 38,308,479 km

• M1: 51,312 km (0.026 R)
• M2: 497,114 km (0.056 R)
• M3: 712,385 km (0.107 R)
• M4: 1,184,516 km (0.112 R)
• M5: 1,330,075 km (0.089 R)
• M6: 3,798,440 km (0.074 R)
• M7: 4,838,294 km (0.115 R)
• M8: 5,085,879 km (0.106 R)
• M9: 5,707,757 km (0.115 R)
• M10: 8,132,140 km (0.119 R)
• M11: 9,640,835 km (0.101 R)
• M12: 10,640,747 km (0.116 R)
• M13: 11,488,967 km (0.098 R)
• M14: 11,929,533 km (0.082 R)
• M15: 12,381,318 km (0.076 R)
• M16: 12,785,831 km (0.103 R)
• M17: 13,928,310 km (0.066 R)
• M18: 14,748,256 km (0.096 R)
• M19: 17,907,464 km (0.12 R)
• M20: 21,407,306 km (0.044 R)
• M21: 22,327,183 km (0.033 R)
• M22: 22,582,547 km (0.095 R)
• M23: 25,429,244 km (0.08 R)
• M24: 32,580,322 km (0.12 R)
• M25: 35,617,458 km (0.058 R)
• M26: 36,082,857 km (0.094 R)
• M27: 37,743,842 km (0.092 R)
• M28: 38,838,001 km (0.112 R)
• M29: 40,203,979 km (0.086 R)
• M30: 40,455,752 km (0.111 R)
• M31: 40,962,291 km (0.058 R)
• M32: 42,507,637 km (0.105 R)
• M33: 43,426,766 km (0.069 R)
• M34: 45,577,235 km (0.037 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.8

Radius: 3.5

Gravity: 46.19 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.24 AU - 8.74 AU

Year: 17389 Days

Day: 20.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 38,308,479 km

• M1: 43,832 km (0.09 R)
• M2: 290,220 km (0.068 R)
• M3: 475,422 km (0.11 R)
• M4: 735,573 km (0.056 R)
• M5: 844,630 km (0.088 R)
• M6: 1,083,537 km (0.095 R)
• M7: 1,532,181 km (0.036 R)
• M8: 1,644,978 km (0.086 R)
• M9: 2,153,162 km (0.049 R)
• M10: 2,829,943 km (0.12 R)
• M11: 4,588,615 km (0.087 R)
• M12: 5,393,003 km (0.115 R)
• M13: 5,617,400 km (0.118 R)
• M14: 5,887,125 km (0.103 R)
• M15: 8,021,887 km (0.114 R)
• M16: 8,363,867 km (0.114 R)
• M17: 8,613,845 km (0.069 R)
• M18: 10,622,047 km (0.063 R)
• M19: 16,527,274 km (0.084 R)
• M20: 19,502,775 km (0.077 R)
• M21: 19,765,619 km (0.075 R)
• M22: 20,932,632 km (0.094 R)
• M23: 21,860,886 km (0.056 R)
• M24: 23,799,076 km (0.11 R)
• M25: 24,912,384 km (0.12 R)
• M26: 25,118,530 km (0.088 R)
• M27: 26,700,677 km (0.114 R)
• M28: 29,253,564 km (0.093 R)
• M29: 47,737,877 km (0.096 R)
• M30: 55,063,535 km (0.054 R)
• M31: 60,837,864 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79

Radius: 5

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.28 AU - 12 AU

Year: 21039 Days

Day: 24.7 Hours

Environment

Temp: -245 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,308,479 km

• M1: 62,532 km (0.034 R)
• M2: 270,623 km (0.083 R)
• M3: 442,361 km (0.078 R)
• M4: 919,877 km (0.04 R)
• M5: 2,348,387 km (0.049 R)
• M6: 3,907,646 km (0.066 R)
• M7: 4,187,095 km (0.066 R)
• M8: 5,286,340 km (0.116 R)
• M9: 5,533,476 km (0.113 R)
• M10: 5,691,900 km (0.119 R)
• M11: 6,600,557 km (0.088 R)
• M12: 7,033,942 km (0.041 R)
• M13: 7,917,168 km (0.11 R)
• M14: 10,041,308 km (0.073 R)
• M15: 10,325,095 km (0.094 R)
• M16: 10,859,160 km (0.076 R)
• M17: 11,107,941 km (0.114 R)
• M18: 13,750,887 km (0.111 R)
• M19: 14,456,839 km (0.069 R)
• M20: 16,326,812 km (0.056 R)
• M21: 16,653,385 km (0.082 R)
• M22: 19,207,020 km (0.057 R)
• M23: 20,463,194 km (0.111 R)
• M24: 24,901,762 km (0.087 R)
• M25: 26,662,679 km (0.12 R)
• M26: 34,753,081 km (0.093 R)
• M27: 34,968,502 km (0.1 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 19,757 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit