🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.9

Radius: 8.5

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.59 AU - 0.97 AU

Year: 445 Days

Day: 14 Hours

Environment

Temp: -135 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,435,642 km

• M1: 105,766 km (0.102 R)
• M2: 399,277 km (0.065 R)
• M3: 710,739 km (0.104 R)
• M4: 1,104,930 km (0.089 R)
• M5: 1,401,732 km (0.119 R)
• M6: 2,082,851 km (0.03 R)
• M7: 2,860,162 km (0.12 R)
• M8: 3,181,648 km (0.028 R)
• M9: 3,857,830 km (0.116 R)
• M10: 4,223,447 km (0.059 R)
• M11: 4,596,993 km (0.111 R)
• M12: 4,899,480 km (0.111 R)
• M13: 5,561,002 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.8

Radius: 10.7

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.71 AU - 0.85 AU

Year: 445 Days

Day: 6.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,435,642 km

• M1: 133,142 km (0.03 R)
• M2: 482,004 km (0.114 R)
• M3: 918,082 km (0.086 R)
• M4: 1,406,220 km (0.085 R)
• M5: 1,859,950 km (0.032 R)
• M6: 2,508,008 km (0.041 R)
• M7: 2,895,168 km (0.091 R)
• M8: 3,278,886 km (0.053 R)
• M9: 4,370,053 km (0.101 R)
• M10: 4,764,543 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.9

Radius: 11.8

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.72 AU - 0.88 AU

Year: 462 Days

Day: 5.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,435,642 km

• M1: 146,756 km (0.093 R)
• M2: 530,175 km (0.108 R)
• M3: 915,539 km (0.082 R)
• M4: 1,327,232 km (0.111 R)
• M5: 2,199,388 km (0.1 R)
• M6: 2,937,504 km (0.116 R)
• M7: 3,346,654 km (0.117 R)
• M8: 3,820,879 km (0.092 R)
• M9: 4,383,666 km (0.109 R)
• M10: 6,353,721 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.7

Radius: 12.5

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.27 AU - 1.91 AU

Year: 1295 Days

Day: 6.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,435,642 km

• M1: 155,432 km (0.053 R)
• M2: 759,808 km (0.11 R)
• M3: 1,457,981 km (0.11 R)
• M4: 2,355,867 km (0.083 R)
• M5: 3,844,216 km (0.116 R)
• M6: 4,260,398 km (0.058 R)
• M7: 4,913,243 km (0.061 R)
• M8: 7,946,190 km (0.087 R)
• M9: 10,802,462 km (0.098 R)
• M10: 11,264,720 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.4

Radius: 14.8

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.18 AU - 3.12 AU

Year: 2785 Days

Day: 15 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,435,642 km

• M1: 184,305 km (0.052 R)
• M2: 1,080,396 km (0.082 R)
• M3: 1,699,881 km (0.083 R)
• M4: 2,261,920 km (0.06 R)
• M5: 2,812,141 km (0.111 R)
• M6: 3,770,914 km (0.073 R)
• M7: 4,490,180 km (0.05 R)
• M8: 5,703,419 km (0.083 R)
• M9: 6,308,692 km (0.062 R)
• M10: 9,104,227 km (0.049 R)
• M11: 9,686,462 km (0.049 R)
• M12: 10,513,888 km (0.095 R)
• M13: 11,782,927 km (0.108 R)
• M14: 12,475,415 km (0.101 R)
• M15: 12,980,458 km (0.088 R)
• M16: 13,455,431 km (0.105 R)
• M17: 14,486,160 km (0.102 R)
• M18: 15,281,422 km (0.096 R)
• M19: 17,267,783 km (0.055 R)
• M20: 17,737,520 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.9

Radius: 13.1

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.56 AU - 4.08 AU

Year: 3906 Days

Day: 10.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,435,642 km

• M1: 162,912 km (0.1 R)
• M2: 669,002 km (0.057 R)
• M3: 1,513,332 km (0.11 R)
• M4: 2,317,570 km (0.073 R)
• M5: 2,791,795 km (0.072 R)
• M6: 3,721,397 km (0.087 R)
• M7: 4,306,025 km (0.069 R)
• M8: 5,135,695 km (0.094 R)
• M9: 6,129,474 km (0.119 R)
• M10: 8,879,382 km (0.097 R)
• M11: 10,656,455 km (0.119 R)
• M12: 11,237,642 km (0.092 R)
• M13: 14,467,161 km (0.089 R)
• M14: 18,144,277 km (0.031 R)
• M15: 18,844,844 km (0.059 R)
• M16: 21,686,605 km (0.055 R)
• M17: 22,548,438 km (0.092 R)
• M18: 23,507,660 km (0.108 R)
• M19: 25,586,771 km (0.045 R)
• M20: 26,306,187 km (0.051 R)
• M21: 27,039,217 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.7

Radius: 13

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.67 AU - 4.01 AU

Year: 3941 Days

Day: 12.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,435,642 km

• M1: 161,865 km (0.098 R)
• M2: 591,959 km (0.059 R)
• M3: 1,366,726 km (0.088 R)
• M4: 1,814,772 km (0.057 R)
• M5: 2,600,759 km (0.114 R)
• M6: 3,879,970 km (0.049 R)
• M7: 5,187,755 km (0.034 R)
• M8: 6,061,257 km (0.04 R)
• M9: 6,835,276 km (0.077 R)
• M10: 7,744,233 km (0.063 R)
• M11: 8,618,333 km (0.056 R)
• M12: 9,356,000 km (0.11 R)
• M13: 10,693,405 km (0.055 R)
• M14: 13,335,154 km (0.114 R)
• M15: 13,849,023 km (0.12 R)
• M16: 14,807,347 km (0.086 R)
• M17: 16,038,089 km (0.081 R)
• M18: 16,619,575 km (0.079 R)
• M19: 19,216,894 km (0.111 R)
• M20: 23,455,450 km (0.111 R)
• M21: 24,281,081 km (0.106 R)
• M22: 24,816,492 km (0.093 R)
• M23: 25,990,386 km (0.072 R)
• M24: 27,447,469 km (0.036 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.9

Radius: 8.9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.81 AU - 4.11 AU

Year: 4156 Days

Day: 14.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,435,642 km

• M1: 110,702 km (0.047 R)
• M2: 567,425 km (0.085 R)
• M3: 873,053 km (0.029 R)
• M4: 1,524,701 km (0.038 R)
• M5: 2,390,724 km (0.069 R)
• M6: 3,451,223 km (0.111 R)
• M7: 6,648,279 km (0.107 R)
• M8: 6,997,440 km (0.078 R)
• M9: 7,645,349 km (0.089 R)
• M10: 8,363,419 km (0.096 R)
• M11: 9,158,382 km (0.069 R)
• M12: 10,248,501 km (0.042 R)
• M13: 10,898,504 km (0.102 R)
• M14: 11,807,461 km (0.113 R)
• M15: 12,360,674 km (0.068 R)
• M16: 12,725,244 km (0.101 R)
• M17: 15,296,382 km (0.115 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.5

Radius: 8.4

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.9 AU - 4.14 AU

Year: 4264 Days

Day: 10.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,435,642 km

• M1: 130,150 km (0.072 R)
• M2: 398,678 km (0.031 R)
• M3: 1,109,867 km (0.1 R)
• M4: 1,706,762 km (0.078 R)
• M5: 2,007,304 km (0.086 R)
• M6: 3,216,205 km (0.118 R)
• M7: 3,582,719 km (0.063 R)
• M8: 3,875,632 km (0.083 R)
• M9: 4,312,907 km (0.032 R)
• M10: 6,370,326 km (0.083 R)
• M11: 6,714,102 km (0.036 R)
• M12: 7,161,100 km (0.08 R)
• M13: 8,761,349 km (0.112 R)
• M14: 9,223,158 km (0.103 R)
• M15: 10,429,216 km (0.061 R)
• M16: 10,786,455 km (0.073 R)
• M17: 11,358,667 km (0.113 R)
• M18: 17,341,984 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.5

Radius: 4

Gravity: 32.78 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 9.14 AU - 10.82 AU

Year: 20357 Days

Day: 20.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,435,642 km

• M1: 50,863 km (0.07 R)
• M2: 273,315 km (0.099 R)
• M3: 401,670 km (0.077 R)
• M4: 940,073 km (0.051 R)
• M5: 1,272,629 km (0.117 R)
• M6: 1,696,290 km (0.025 R)
• M7: 2,377,858 km (0.109 R)
• M8: 2,990,611 km (0.109 R)
• M9: 4,004,137 km (0.05 R)
• M10: 4,622,425 km (0.064 R)
• M11: 4,900,826 km (0.096 R)
• M12: 6,856,220 km (0.117 R)
• M13: 7,593,139 km (0.118 R)
• M14: 9,168,554 km (0.05 R)
• M15: 9,607,923 km (0.08 R)
• M16: 11,318,724 km (0.048 R)
• M17: 13,084,727 km (0.093 R)
• M18: 14,068,932 km (0.064 R)
• M19: 15,405,589 km (0.108 R)
• M20: 16,262,934 km (0.072 R)
• M21: 19,468,816 km (0.098 R)
• M22: 21,986,549 km (0.074 R)
• M23: 25,562,387 km (0.092 R)
• M24: 28,687,636 km (0.109 R)
• M25: 29,271,217 km (0.049 R)
• M26: 29,743,797 km (0.089 R)
• M27: 36,630,535 km (0.094 R)
• M28: 37,733,520 km (0.09 R)
• M29: 38,858,346 km (0.032 R)
• M30: 39,860,652 km (0.111 R)
• M31: 61,547,556 km (0.072 R)
• M32: 66,499,395 km (0.094 R)
• M33: 69,176,299 km (0.107 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 13,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit