🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.3

Radius: 9.4

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.55 AU - 0.75 AU

Year: 368 Days

Day: 10 Hours

Environment

Temp: -157 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,348,002 km

• M1: 116,836 km (0.043 R)
• M2: 482,154 km (0.06 R)
• M3: 828,323 km (0.074 R)
• M4: 1,125,425 km (0.117 R)
• M5: 1,427,313 km (0.117 R)
• M6: 1,720,675 km (0.096 R)
• M7: 2,062,655 km (0.084 R)
• M8: 3,384,353 km (0.109 R)
• M9: 3,864,861 km (0.108 R)
• M10: 4,417,326 km (0.083 R)
• M11: 4,847,420 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.3

Radius: 12.2

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.11 AU - 1.31 AU

Year: 936 Days

Day: 14.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,348,002 km

• M1: 151,692 km (0.04 R)
• M2: 620,682 km (0.113 R)
• M3: 1,384,827 km (0.116 R)
• M4: 1,981,125 km (0.08 R)
• M5: 2,677,503 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.9

Radius: 13.1

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.26 AU - 2.04 AU

Year: 1490 Days

Day: 6.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,348,002 km

• M1: 165,306 km (0.049 R)
• M2: 699,220 km (0.093 R)
• M3: 1,731,745 km (0.118 R)
• M4: 2,666,432 km (0.057 R)
• M5: 3,150,082 km (0.12 R)
• M6: 3,676,966 km (0.09 R)
• M7: 4,348,661 km (0.082 R)
• M8: 4,797,305 km (0.112 R)
• M9: 5,809,933 km (0.046 R)
• M10: 7,008,361 km (0.069 R)
• M11: 8,311,059 km (0.099 R)
• M12: 8,948,945 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.4

Radius: 8.3

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.7 AU - 3.78 AU

Year: 4099 Days

Day: 8.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,348,002 km

• M1: 103,522 km (0.082 R)
• M2: 394,789 km (0.116 R)
• M3: 825,182 km (0.115 R)
• M4: 1,729,950 km (0.09 R)
• M5: 2,326,247 km (0.112 R)
• M6: 4,055,897 km (0.096 R)
• M7: 4,403,114 km (0.056 R)
• M8: 4,922,518 km (0.06 R)
• M9: 5,849,576 km (0.091 R)
• M10: 7,554,094 km (0.109 R)
• M11: 10,565,948 km (0.063 R)
• M12: 11,818,531 km (0.105 R)
• M13: 12,336,588 km (0.119 R)
• M14: 13,067,524 km (0.053 R)
• M15: 13,367,916 km (0.104 R)
• M16: 13,827,032 km (0.105 R)
• M17: 14,508,749 km (0.042 R)
• M18: 15,048,199 km (0.115 R)
• M19: 16,630,047 km (0.114 R)
• M20: 17,825,633 km (0.106 R)
• M21: 20,995,912 km (0.032 R)
• M22: 21,966,353 km (0.095 R)
• M23: 24,751,117 km (0.088 R)
• M24: 25,599,188 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.8

Radius: 12.5

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.3 AU - 3.72 AU

Year: 4622 Days

Day: 14.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,348,002 km

• M1: 155,731 km (0.041 R)
• M2: 714,330 km (0.094 R)
• M3: 1,710,652 km (0.113 R)
• M4: 2,617,664 km (0.034 R)
• M5: 3,038,482 km (0.116 R)
• M6: 3,596,183 km (0.069 R)
• M7: 6,514,538 km (0.063 R)
• M8: 6,940,892 km (0.091 R)
• M9: 8,870,855 km (0.038 R)
• M10: 12,040,235 km (0.111 R)
• M11: 13,216,224 km (0.09 R)
• M12: 14,515,182 km (0.098 R)
• M13: 15,048,199 km (0.111 R)
• M14: 19,095,121 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.1

Radius: 9.8

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.83 AU - 4.41 AU

Year: 5878 Days

Day: 13.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,348,002 km

• M1: 123,119 km (0.113 R)
• M2: 503,995 km (0.102 R)
• M3: 1,015,321 km (0.098 R)
• M4: 1,503,010 km (0.108 R)
• M5: 1,809,386 km (0.107 R)
• M6: 2,239,779 km (0.058 R)
• M7: 3,484,882 km (0.105 R)
• M8: 4,630,952 km (0.062 R)
• M9: 5,817,263 km (0.089 R)
• M10: 7,306,958 km (0.069 R)
• M11: 10,299,065 km (0.078 R)
• M12: 12,516,106 km (0.097 R)
• M13: 14,198,932 km (0.098 R)
• M14: 15,094,724 km (0.112 R)
• M15: 15,401,550 km (0.072 R)
• M16: 16,154,924 km (0.097 R)
• M17: 17,130,901 km (0.09 R)
• M18: 19,999,141 km (0.066 R)
• M19: 20,593,942 km (0.096 R)
• M20: 22,849,429 km (0.073 R)
• M21: 28,493,607 km (0.048 R)
• M22: 28,868,649 km (0.069 R)
• M23: 33,942,410 km (0.061 R)
• M24: 36,523,722 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.2

Radius: 10.9

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.17 AU - 5.13 AU

Year: 7048 Days

Day: 14.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,348,002 km

• M1: 135,835 km (0.105 R)
• M2: 819,647 km (0.09 R)
• M3: 1,205,609 km (0.089 R)
• M4: 1,829,881 km (0.036 R)
• M5: 2,364,095 km (0.105 R)
• M6: 2,776,237 km (0.069 R)
• M7: 3,236,400 km (0.038 R)
• M8: 4,099,580 km (0.042 R)
• M9: 5,200,920 km (0.084 R)
• M10: 5,903,730 km (0.081 R)
• M11: 6,741,628 km (0.084 R)
• M12: 7,498,743 km (0.112 R)
• M13: 8,870,855 km (0.091 R)
• M14: 9,272,674 km (0.06 R)
• M15: 12,938,421 km (0.106 R)
• M16: 15,924,394 km (0.095 R)
• M17: 19,119,805 km (0.062 R)
• M18: 20,095,033 km (0.119 R)
• M19: 20,633,735 km (0.106 R)
• M20: 24,070,896 km (0.068 R)
• M21: 25,924,862 km (0.071 R)
• M22: 26,288,535 km (0.12 R)
• M23: 27,493,994 km (0.074 R)
• M24: 30,820,453 km (0.118 R)
• M25: 31,228,705 km (0.108 R)
• M26: 32,897,769 km (0.06 R)
• M27: 36,413,019 km (0.12 R)
• M28: 38,970,245 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.3

Radius: 7.7

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.52 AU - 8.24 AU

Year: 12685 Days

Day: 16.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,348,002 km

• M1: 96,191 km (0.114 R)
• M2: 398,080 km (0.078 R)
• M3: 721,959 km (0.088 R)
• M4: 1,268,889 km (0.099 R)
• M5: 1,739,075 km (0.107 R)
• M6: 2,282,864 km (0.118 R)
• M7: 3,186,435 km (0.065 R)
• M8: 3,427,138 km (0.119 R)
• M9: 4,138,775 km (0.086 R)
• M10: 5,436,387 km (0.095 R)
• M11: 6,515,885 km (0.057 R)
• M12: 6,787,255 km (0.059 R)
• M13: 7,646,546 km (0.049 R)
• M14: 8,902,569 km (0.039 R)
• M15: 9,334,010 km (0.08 R)
• M16: 9,981,918 km (0.093 R)
• M17: 11,590,843 km (0.09 R)
• M18: 12,105,460 km (0.073 R)
• M19: 12,397,924 km (0.07 R)
• M20: 13,057,800 km (0.034 R)
• M21: 17,817,854 km (0.075 R)
• M22: 18,426,269 km (0.032 R)
• M23: 19,604,352 km (0.1 R)
• M24: 23,802,368 km (0.109 R)
• M25: 26,845,487 km (0.026 R)
• M26: 28,873,735 km (0.116 R)
• M27: 34,038,004 km (0.065 R)
• M28: 35,927,574 km (0.082 R)
• M29: 37,513,461 km (0.076 R)
• M30: 40,563,163 km (0.077 R)
• M31: 42,148,153 km (0.078 R)
• M32: 42,550,870 km (0.117 R)
• M33: 48,607,340 km (0.097 R)
• M34: 49,050,150 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.7

Radius: 5.9

Gravity: 19.78 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.27 AU - 9.71 AU

Year: 15876 Days

Day: 20.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 120 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 65,348,002 km

• M1: 73,752 km (0.103 R)
• M2: 298,149 km (0.066 R)
• M3: 587,770 km (0.091 R)
• M4: 888,462 km (0.101 R)
• M5: 1,568,534 km (0.111 R)
• M6: 2,376,811 km (0.047 R)
• M7: 2,848,044 km (0.099 R)
• M8: 3,711,972 km (0.106 R)
• M9: 3,915,724 km (0.108 R)
• M10: 5,372,508 km (0.106 R)
• M11: 6,141,292 km (0.11 R)
• M12: 6,636,461 km (0.118 R)
• M13: 7,520,135 km (0.084 R)
• M14: 8,135,132 km (0.072 R)
• M15: 10,012,885 km (0.025 R)
• M16: 10,524,061 km (0.11 R)
• M17: 11,112,130 km (0.099 R)
• M18: 12,034,999 km (0.056 R)
• M19: 13,684,914 km (0.108 R)
• M20: 14,102,292 km (0.068 R)
• M21: 14,962,480 km (0.063 R)
• M22: 17,752,331 km (0.063 R)
• M23: 20,059,279 km (0.072 R)
• M24: 22,366,826 km (0.118 R)
• M25: 24,845,364 km (0.079 R)
• M26: 27,942,937 km (0.095 R)
• M27: 31,168,866 km (0.103 R)
• M28: 43,503,061 km (0.089 R)
• M29: 43,952,303 km (0.11 R)
• M30: 52,070,980 km (0.097 R)
• M31: 52,916,956 km (0.066 R)
• M32: 53,257,889 km (0.055 R)
• M33: 53,944,095 km (0.118 R)
• M34: 54,462,601 km (0.11 R)
• M35: 55,861,640 km (0.089 R)
• M36: 56,392,413 km (0.11 R)
• M37: 58,004,779 km (0.086 R)
• M38: 62,644,707 km (0.036 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 14,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit