🌌 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: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.7

Radius: 14

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.58 AU - 0.74 AU

Year: 377 Days

Day: 14.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,292,352 km

• M1: 174,132 km (0.064 R)
• M2: 644,916 km (0.065 R)
• M3: 1,234,781 km (0.107 R)
• M4: 2,018,374 km (0.057 R)
• M5: 2,524,614 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674

Radius: 11.7

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.6 AU - 0.9 AU

Year: 457 Days

Day: 11 Hours

Environment

Temp: -171 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,292,352 km

• M1: 145,708 km (0.028 R)
• M2: 712,834 km (0.027 R)
• M3: 1,113,158 km (0.065 R)
• M4: 1,777,971 km (0.109 R)
• M5: 2,355,119 km (0.118 R)
• M6: 2,786,111 km (0.059 R)
• M7: 3,235,054 km (0.091 R)
• M8: 3,631,339 km (0.08 R)
• M9: 4,046,473 km (0.078 R)
• M10: 4,774,416 km (0.106 R)
• M11: 5,948,610 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.8

Radius: 10.2

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.73 AU - 0.89 AU

Year: 512 Days

Day: 8 Hours

Environment

Temp: -157 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,292,352 km

• M1: 126,859 km (0.086 R)
• M2: 452,085 km (0.096 R)
• M3: 775,815 km (0.095 R)
• M4: 1,216,829 km (0.096 R)
• M5: 1,700,180 km (0.113 R)
• M6: 2,040,216 km (0.108 R)
• M7: 2,710,414 km (0.082 R)
• M8: 3,911,386 km (0.087 R)
• M9: 4,292,412 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.8

Radius: 9.6

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.04 AU - 1.22 AU

Year: 844 Days

Day: 13 Hours

Environment

Temp: -189 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,292,352 km

• M1: 122,670 km (0.049 R)
• M2: 460,462 km (0.073 R)
• M3: 939,026 km (0.11 R)
• M4: 1,572,274 km (0.111 R)
• M5: 2,468,514 km (0.062 R)
• M6: 2,990,312 km (0.093 R)
• M7: 3,521,384 km (0.112 R)
• M8: 4,031,513 km (0.113 R)
• M9: 4,369,604 km (0.111 R)
• M10: 4,818,697 km (0.074 R)
• M11: 6,113,766 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.5

Radius: 10.3

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.69 AU - 1.71 AU

Year: 1558 Days

Day: 5.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,292,352 km

• M1: 129,851 km (0.108 R)
• M2: 1,051,224 km (0.064 R)
• M3: 1,503,459 km (0.119 R)
• M4: 2,264,463 km (0.069 R)
• M5: 3,864,263 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.5

Radius: 13.2

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.98 AU - 2.18 AU

Year: 2109 Days

Day: 14.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,292,352 km

• M1: 164,109 km (0.075 R)
• M2: 616,792 km (0.098 R)
• M3: 1,080,994 km (0.053 R)
• M4: 1,560,605 km (0.09 R)
• M5: 2,072,978 km (0.077 R)
• M6: 2,876,318 km (0.091 R)
• M7: 4,429,593 km (0.11 R)
• M8: 4,899,181 km (0.111 R)
• M9: 6,040,762 km (0.117 R)
• M10: 8,107,008 km (0.105 R)
• M11: 9,490,339 km (0.092 R)
• M12: 12,720,606 km (0.047 R)
• M13: 14,261,015 km (0.105 R)
• M14: 15,726,327 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.8

Radius: 14.1

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.45 AU - 4.57 AU

Year: 6732 Days

Day: 5.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,292,352 km

• M1: 175,628 km (0.111 R)
• M2: 707,598 km (0.056 R)
• M3: 1,181,075 km (0.041 R)
• M4: 1,746,854 km (0.109 R)
• M5: 2,457,145 km (0.038 R)
• M6: 3,288,311 km (0.07 R)
• M7: 4,195,472 km (0.09 R)
• M8: 5,479,321 km (0.063 R)
• M9: 6,937,152 km (0.114 R)
• M10: 7,776,696 km (0.065 R)
• M11: 9,890,214 km (0.11 R)
• M12: 10,364,888 km (0.089 R)
• M13: 10,854,672 km (0.116 R)
• M14: 11,670,579 km (0.12 R)
• M15: 14,913,561 km (0.037 R)
• M16: 15,857,973 km (0.083 R)
• M17: 16,642,015 km (0.101 R)
• M18: 17,796,761 km (0.102 R)
• M19: 20,417,716 km (0.102 R)
• M20: 23,369,880 km (0.095 R)
• M21: 24,904,306 km (0.098 R)
• M22: 27,330,484 km (0.111 R)
• M23: 32,963,292 km (0.102 R)
• M24: 33,811,213 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.1

Radius: 3.8

Gravity: 49.45 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.58 AU - 5.68 AU

Year: 9390 Days

Day: 16.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,292,352 km

• M1: 47,273 km (0.117 R)
• M2: 268,079 km (0.101 R)
• M3: 636,240 km (0.062 R)
• M4: 819,198 km (0.062 R)
• M5: 1,182,721 km (0.104 R)
• M6: 1,992,494 km (0.061 R)
• M7: 2,237,685 km (0.055 R)
• M8: 2,424,682 km (0.116 R)
• M9: 3,209,323 km (0.082 R)
• M10: 3,697,611 km (0.11 R)
• M11: 3,879,671 km (0.117 R)
• M12: 4,819,595 km (0.067 R)
• M13: 6,259,624 km (0.042 R)
• M14: 6,481,029 km (0.099 R)
• M15: 8,355,789 km (0.079 R)
• M16: 9,368,267 km (0.118 R)
• M17: 10,719,435 km (0.05 R)
• M18: 11,143,396 km (0.085 R)
• M19: 13,987,700 km (0.082 R)
• M20: 15,812,345 km (0.12 R)
• M21: 16,085,212 km (0.119 R)
• M22: 16,361,370 km (0.059 R)
• M23: 16,852,200 km (0.083 R)
• M24: 19,221,382 km (0.065 R)
• M25: 22,655,401 km (0.111 R)
• M26: 23,089,534 km (0.054 R)
• M27: 23,885,095 km (0.101 R)
• M28: 29,352,000 km (0.082 R)
• M29: 31,883,645 km (0.091 R)
• M30: 32,319,274 km (0.118 R)
• M31: 32,648,538 km (0.05 R)
• M32: 34,442,815 km (0.107 R)
• M33: 37,015,600 km (0.114 R)
• M34: 38,471,486 km (0.047 R)
• M35: 41,626,356 km (0.077 R)
• M36: 43,733,442 km (0.043 R)
• M37: 44,136,309 km (0.096 R)
• M38: 45,222,688 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.8

Radius: 7.3

Gravity: 18.48 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.79 AU - 10.97 AU

Year: 20194 Days

Day: 16.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,292,352 km

• M1: 90,956 km (0.107 R)
• M2: 353,949 km (0.098 R)
• M3: 1,010,085 km (0.055 R)
• M4: 1,254,677 km (0.085 R)
• M5: 1,556,416 km (0.101 R)
• M6: 2,262,518 km (0.095 R)
• M7: 2,492,600 km (0.043 R)
• M8: 2,973,258 km (0.079 R)
• M9: 3,336,781 km (0.037 R)
• M10: 3,856,334 km (0.111 R)
• M11: 5,056,258 km (0.119 R)
• M12: 6,172,857 km (0.032 R)
• M13: 8,277,250 km (0.116 R)
• M14: 9,461,168 km (0.095 R)
• M15: 10,248,352 km (0.09 R)
• M16: 11,342,810 km (0.025 R)
• M17: 14,612,570 km (0.108 R)
• M18: 14,850,730 km (0.076 R)
• M19: 17,199,267 km (0.108 R)
• M20: 17,553,814 km (0.1 R)
• M21: 17,913,148 km (0.117 R)
• M22: 20,370,443 km (0.104 R)
• M23: 20,967,787 km (0.115 R)
• M24: 21,885,720 km (0.041 R)
• M25: 23,366,439 km (0.115 R)
• M26: 27,238,332 km (0.092 R)
• M27: 39,048,186 km (0.112 R)
• M28: 41,855,839 km (0.032 R)
• M29: 42,820,895 km (0.077 R)
• M30: 57,732,810 km (0.094 R)
• M31: 58,328,359 km (0.11 R)
• M32: 64,298,810 km (0.116 R)
• M33: 65,367,687 km (0.095 R)
• M34: 67,102,574 km (0.077 R)
• M35: 77,918,799 km (0.064 R)
• M36: 78,889,689 km (0.096 R)
• M37: 80,607,970 km (0.085 R)
• M38: 84,119,032 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.9

Radius: 7.6

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 9.71 AU - 10.05 AU

Year: 21829 Days

Day: 15.3 Hours

Environment

Temp: -245 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,292,352 km

• M1: 94,546 km (0.083 R)
• M2: 346,469 km (0.098 R)
• M3: 628,909 km (0.087 R)
• M4: 1,600,248 km (0.118 R)
• M5: 3,802,179 km (0.116 R)
• M6: 4,370,053 km (0.088 R)
• M7: 11,684,641 km (0.111 R)
• M8: 15,513,299 km (0.047 R)
• M9: 20,382,560 km (0.091 R)
• M10: 40,601,311 km (0.117 R)
• M11: 47,633,757 km (0.086 R)
• M12: 48,129,525 km (0.087 R)
• M13: 52,045,398 km (0.091 R)
• M14: 54,350,103 km (0.07 R)
• M15: 56,721,828 km (0.032 R)
• M16: 66,077,080 km (0.068 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 17,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit