🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.9

Radius: 12.3

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.52 AU - 0.6 AU

Year: 279 Days

Day: 7.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,415,714 km

• M1: 153,039 km (0.11 R)
• M2: 566,826 km (0.039 R)
• M3: 959,072 km (0.083 R)
• M4: 1,477,129 km (0.109 R)
• M5: 1,945,072 km (0.055 R)
• M6: 2,442,784 km (0.062 R)
• M7: 3,166,837 km (0.076 R)
• M8: 3,563,122 km (0.079 R)
• M9: 4,041,237 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.9

Radius: 10

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.6 AU - 0.62 AU

Year: 318 Days

Day: 7.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 71,415,714 km

• M1: 124,316 km (0.064 R)
• M2: 549,174 km (0.1 R)
• M3: 938,876 km (0.041 R)
• M4: 1,283,251 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.9

Radius: 11.6

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.6 AU - 1.82 AU

Year: 1491 Days

Day: 7.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,415,714 km

• M1: 144,512 km (0.082 R)
• M2: 516,711 km (0.052 R)
• M3: 957,426 km (0.042 R)
• M4: 1,631,514 km (0.098 R)
• M5: 3,221,740 km (0.084 R)
• M6: 4,139,672 km (0.032 R)
• M7: 5,003,151 km (0.093 R)
• M8: 5,777,320 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.8

Radius: 13.5

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.95 AU - 2.19 AU

Year: 1986 Days

Day: 6.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,415,714 km

• M1: 167,849 km (0.113 R)
• M2: 591,660 km (0.101 R)
• M3: 1,016,518 km (0.098 R)
• M4: 1,482,216 km (0.114 R)
• M5: 1,963,173 km (0.111 R)
• M6: 2,648,032 km (0.097 R)
• M7: 3,738,002 km (0.104 R)
• M8: 4,862,380 km (0.104 R)
• M9: 5,820,404 km (0.119 R)
• M10: 6,437,496 km (0.086 R)
• M11: 6,984,725 km (0.101 R)
• M12: 7,503,680 km (0.054 R)
• M13: 8,110,449 km (0.068 R)
• M14: 9,666,266 km (0.078 R)
• M15: 10,093,668 km (0.085 R)
• M16: 13,537,111 km (0.049 R)
• M17: 14,300,360 km (0.107 R)
• M18: 15,235,047 km (0.114 R)
• M19: 16,359,724 km (0.066 R)
• M20: 17,591,513 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350

Radius: 13.2

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.92 AU - 4.94 AU

Year: 6218 Days

Day: 7.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,415,714 km

• M1: 165,156 km (0.101 R)
• M2: 663,317 km (0.107 R)
• M3: 1,651,112 km (0.102 R)
• M4: 2,480,183 km (0.072 R)
• M5: 6,128,576 km (0.093 R)
• M6: 7,576,384 km (0.081 R)
• M7: 9,201,765 km (0.052 R)
• M8: 9,971,446 km (0.053 R)
• M9: 10,739,631 km (0.093 R)
• M10: 12,442,803 km (0.065 R)
• M11: 15,521,527 km (0.084 R)
• M12: 16,320,679 km (0.078 R)
• M13: 17,754,275 km (0.089 R)
• M14: 19,465,525 km (0.103 R)
• M15: 21,915,190 km (0.065 R)
• M16: 22,848,382 km (0.089 R)
• M17: 23,435,554 km (0.108 R)
• M18: 24,259,539 km (0.067 R)
• M19: 27,091,576 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982

Radius: 9.4

Gravity: 11.11 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.26 AU - 4.66 AU

Year: 6281 Days

Day: 9.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,415,714 km

• M1: 116,986 km (0.055 R)
• M2: 433,086 km (0.076 R)
• M3: 912,248 km (0.117 R)
• M4: 1,411,905 km (0.09 R)
• M5: 2,007,304 km (0.112 R)
• M6: 2,337,317 km (0.045 R)
• M7: 2,880,956 km (0.079 R)
• M8: 3,506,574 km (0.09 R)
• M9: 4,681,815 km (0.077 R)
• M10: 6,444,527 km (0.055 R)
• M11: 7,709,227 km (0.106 R)
• M12: 8,999,808 km (0.113 R)
• M13: 11,325,307 km (0.048 R)
• M14: 15,618,616 km (0.093 R)
• M15: 16,262,635 km (0.064 R)
• M16: 16,723,845 km (0.084 R)
• M17: 17,193,882 km (0.089 R)
• M18: 22,148,414 km (0.115 R)
• M19: 24,906,400 km (0.034 R)
• M20: 25,255,561 km (0.05 R)
• M21: 28,928,937 km (0.07 R)
• M22: 29,704,004 km (0.049 R)
• M23: 31,600,605 km (0.082 R)
• M24: 32,215,901 km (0.069 R)
• M25: 32,839,126 km (0.084 R)
• M26: 34,974,785 km (0.067 R)
• M27: 37,201,550 km (0.04 R)
• M28: 37,543,530 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.4

Radius: 14.1

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.19 AU - 5.47 AU

Year: 7079 Days

Day: 6.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,415,714 km

• M1: 191,036 km (0.112 R)
• M2: 691,142 km (0.104 R)
• M3: 1,157,140 km (0.048 R)
• M4: 2,007,005 km (0.113 R)
• M5: 2,694,108 km (0.101 R)
• M6: 3,466,033 km (0.099 R)
• M7: 4,170,789 km (0.061 R)
• M8: 5,967,160 km (0.041 R)
• M9: 10,337,213 km (0.071 R)
• M10: 11,281,624 km (0.115 R)
• M11: 11,907,093 km (0.049 R)
• M12: 12,666,153 km (0.031 R)
• M13: 16,421,807 km (0.063 R)
• M14: 16,955,123 km (0.077 R)
• M15: 18,624,935 km (0.087 R)
• M16: 19,499,933 km (0.057 R)
• M17: 20,325,863 km (0.088 R)
• M18: 21,253,369 km (0.049 R)
• M19: 21,727,595 km (0.086 R)
• M20: 22,779,417 km (0.118 R)
• M21: 24,463,441 km (0.063 R)
• M22: 26,410,457 km (0.098 R)
• M23: 27,984,077 km (0.104 R)
• M24: 29,229,030 km (0.047 R)
• M25: 29,816,052 km (0.087 R)
• M26: 31,932,413 km (0.116 R)
• M27: 33,717,714 km (0.116 R)
• M28: 34,471,837 km (0.072 R)
• M29: 37,486,534 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.4

Radius: 5.5

Gravity: 27.25 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.39 AU - 8.11 AU

Year: 13018 Days

Day: 18.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 71,415,714 km

• M1: 68,815 km (0.103 R)
• M2: 298,897 km (0.095 R)
• M3: 539,749 km (0.072 R)
• M4: 759,957 km (0.118 R)
• M5: 1,211,144 km (0.095 R)
• M6: 1,415,645 km (0.096 R)
• M7: 2,172,011 km (0.101 R)
• M8: 2,830,990 km (0.103 R)
• M9: 3,219,346 km (0.076 R)
• M10: 4,222,549 km (0.113 R)
• M11: 4,566,924 km (0.04 R)
• M12: 5,066,281 km (0.088 R)
• M13: 5,601,393 km (0.098 R)
• M14: 7,168,132 km (0.085 R)
• M15: 11,611,488 km (0.081 R)
• M16: 12,349,304 km (0.101 R)
• M17: 13,249,135 km (0.097 R)
• M18: 16,285,523 km (0.119 R)
• M19: 16,743,143 km (0.087 R)
• M20: 17,924,368 km (0.102 R)
• M21: 19,499,035 km (0.096 R)
• M22: 25,174,928 km (0.111 R)
• M23: 26,407,764 km (0.076 R)
• M24: 27,572,832 km (0.086 R)
• M25: 28,661,157 km (0.1 R)
• M26: 30,004,845 km (0.092 R)
• M27: 30,923,525 km (0.077 R)
• M28: 35,290,586 km (0.051 R)
• M29: 37,488,628 km (0.036 R)
• M30: 44,924,689 km (0.106 R)
• M31: 46,734,824 km (0.093 R)
• M32: 50,822,436 km (0.046 R)
• M33: 56,172,504 km (0.058 R)
• M34: 56,518,824 km (0.119 R)
• M35: 57,215,800 km (0.096 R)
• M36: 58,094,987 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.7

Radius: 3.1

Gravity: 68.75 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 7.53 AU - 10.81 AU

Year: 18518 Days

Day: 24.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,415,714 km

• M1: 38,596 km (0.114 R)
• M2: 152,889 km (0.1 R)
• M3: 653,443 km (0.081 R)
• M4: 862,432 km (0.049 R)
• M5: 1,140,534 km (0.093 R)
• M6: 1,397,095 km (0.09 R)
• M7: 1,522,906 km (0.098 R)
• M8: 2,650,575 km (0.073 R)
• M9: 4,404,161 km (0.103 R)
• M10: 4,957,973 km (0.058 R)
• M11: 6,077,413 km (0.089 R)
• M12: 6,717,842 km (0.088 R)
• M13: 7,736,603 km (0.089 R)
• M14: 8,695,675 km (0.117 R)
• M15: 15,456,003 km (0.082 R)
• M16: 20,096,380 km (0.049 R)
• M17: 20,466,036 km (0.07 R)
• M18: 22,581,051 km (0.083 R)
• M19: 24,520,886 km (0.106 R)
• M20: 27,464,523 km (0.088 R)
• M21: 33,006,975 km (0.065 R)
• M22: 34,041,145 km (0.1 R)
• M23: 46,395,236 km (0.045 R)
• M24: 48,846,098 km (0.08 R)
• M25: 53,826,361 km (0.114 R)
• M26: 55,800,604 km (0.091 R)
• M27: 56,897,456 km (0.11 R)
• M28: 58,945,600 km (0.032 R)
• M29: 64,981,276 km (0.113 R)
• M30: 68,251,635 km (0.119 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 20,199 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit