🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.5

Radius: 12.7

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.07 AU - 1.43 AU

Year: 917 Days

Day: 11.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,654,719 km

• M1: 158,424 km (0.058 R)
• M2: 564,433 km (0.098 R)
• M3: 1,104,182 km (0.12 R)
• M4: 1,566,738 km (0.113 R)
• M5: 2,149,422 km (0.03 R)
• M6: 3,678,462 km (0.117 R)
• M7: 4,791,919 km (0.103 R)
• M8: 5,347,525 km (0.102 R)
• M9: 5,924,375 km (0.072 R)
• M10: 6,339,210 km (0.103 R)
• M11: 7,154,668 km (0.06 R)
• M12: 8,741,752 km (0.111 R)
• M13: 10,839,263 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.9

Radius: 9.6

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.08 AU - 1.62 AU

Year: 1029 Days

Day: 9.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,654,719 km

• M1: 119,379 km (0.092 R)
• M2: 855,849 km (0.114 R)
• M3: 1,417,290 km (0.112 R)
• M4: 1,754,035 km (0.1 R)
• M5: 2,965,628 km (0.047 R)
• M6: 3,301,176 km (0.069 R)
• M7: 3,662,156 km (0.098 R)
• M8: 4,150,593 km (0.11 R)
• M9: 4,756,165 km (0.11 R)
• M10: 5,178,480 km (0.118 R)
• M11: 8,126,306 km (0.09 R)
• M12: 8,930,095 km (0.106 R)
• M13: 9,634,552 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.8

Radius: 10.7

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.26 AU - 1.76 AU

Year: 1217 Days

Day: 8.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,654,719 km

• M1: 133,142 km (0.034 R)
• M2: 503,247 km (0.054 R)
• M3: 1,069,326 km (0.118 R)
• M4: 1,582,297 km (0.101 R)
• M5: 2,336,420 km (0.039 R)
• M6: 2,736,145 km (0.08 R)
• M7: 3,376,125 km (0.089 R)
• M8: 4,060,834 km (0.057 R)
• M9: 4,623,621 km (0.114 R)
• M10: 4,973,980 km (0.039 R)
• M11: 5,861,095 km (0.086 R)
• M12: 7,000,432 km (0.033 R)
• M13: 7,622,760 km (0.088 R)
• M14: 8,309,863 km (0.12 R)
• M15: 8,859,336 km (0.036 R)
• M16: 9,871,215 km (0.108 R)
• M17: 10,323,001 km (0.083 R)
• M18: 11,513,351 km (0.112 R)
• M19: 12,196,714 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.5

Radius: 14.8

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.3 AU - 2.16 AU

Year: 1493 Days

Day: 10.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,654,719 km

• M1: 184,005 km (0.057 R)
• M2: 841,039 km (0.104 R)
• M3: 1,343,538 km (0.036 R)
• M4: 1,842,148 km (0.071 R)
• M5: 2,419,147 km (0.092 R)
• M6: 3,102,361 km (0.111 R)
• M7: 4,859,687 km (0.094 R)
• M8: 5,587,181 km (0.077 R)
• M9: 6,066,942 km (0.066 R)
• M10: 6,597,864 km (0.113 R)
• M11: 7,439,951 km (0.093 R)
• M12: 9,040,947 km (0.119 R)
• M13: 10,272,287 km (0.115 R)
• M14: 11,063,211 km (0.109 R)
• M15: 11,612,834 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.1

Radius: 11

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.53 AU - 4.19 AU

Year: 4040 Days

Day: 5.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,654,719 km

• M1: 136,882 km (0.086 R)
• M2: 547,977 km (0.09 R)
• M3: 1,030,131 km (0.025 R)
• M4: 1,678,039 km (0.117 R)
• M5: 2,234,244 km (0.067 R)
• M6: 3,326,757 km (0.111 R)
• M7: 3,675,470 km (0.05 R)
• M8: 4,026,277 km (0.099 R)
• M9: 5,462,865 km (0.071 R)
• M10: 6,070,083 km (0.042 R)
• M11: 6,468,313 km (0.08 R)
• M12: 6,818,821 km (0.099 R)
• M13: 8,128,700 km (0.069 R)
• M14: 8,920,970 km (0.063 R)
• M15: 12,223,941 km (0.042 R)
• M16: 14,795,080 km (0.102 R)
• M17: 22,688,462 km (0.106 R)
• M18: 24,255,948 km (0.12 R)
• M19: 25,815,057 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.4

Radius: 14.1

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.37 AU - 3.49 AU

Year: 4167 Days

Day: 8.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,654,719 km

• M1: 179,517 km (0.119 R)
• M2: 682,765 km (0.092 R)
• M3: 1,143,526 km (0.077 R)
• M4: 2,271,943 km (0.118 R)
• M5: 2,761,427 km (0.11 R)
• M6: 3,282,327 km (0.032 R)
• M7: 5,281,254 km (0.054 R)
• M8: 7,884,556 km (0.096 R)
• M9: 8,364,615 km (0.106 R)
• M10: 8,903,616 km (0.055 R)
• M11: 12,051,455 km (0.108 R)
• M12: 16,766,181 km (0.072 R)
• M13: 18,002,159 km (0.12 R)
• M14: 18,642,587 km (0.078 R)
• M15: 20,105,206 km (0.069 R)
• M16: 21,428,698 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821

Radius: 12.6

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.23 AU - 4.95 AU

Year: 5426 Days

Day: 11.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,654,719 km

• M1: 156,779 km (0.114 R)
• M2: 696,228 km (0.039 R)
• M3: 1,368,372 km (0.113 R)
• M4: 1,864,438 km (0.095 R)
• M5: 2,636,812 km (0.109 R)
• M6: 3,702,099 km (0.112 R)
• M7: 4,371,100 km (0.072 R)
• M8: 6,077,713 km (0.042 R)
• M9: 7,734,509 km (0.088 R)
• M10: 8,748,783 km (0.104 R)
• M11: 15,251,204 km (0.107 R)
• M12: 16,218,204 km (0.086 R)
• M13: 18,408,467 km (0.062 R)
• M14: 21,378,134 km (0.11 R)
• M15: 21,902,475 km (0.105 R)
• M16: 23,368,833 km (0.072 R)
• M17: 24,490,518 km (0.106 R)
• M18: 26,069,823 km (0.113 R)
• M19: 29,800,195 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.8

Radius: 9.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.35 AU - 5.17 AU

Year: 5768 Days

Day: 11.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,654,719 km

• M1: 120,725 km (0.08 R)
• M2: 480,808 km (0.054 R)
• M3: 879,635 km (0.085 R)
• M4: 1,933,403 km (0.105 R)
• M5: 2,387,133 km (0.106 R)
• M6: 2,699,643 km (0.084 R)
• M7: 3,095,778 km (0.107 R)
• M8: 3,448,530 km (0.109 R)
• M9: 4,073,700 km (0.109 R)
• M10: 4,425,703 km (0.083 R)
• M11: 5,137,640 km (0.045 R)
• M12: 6,408,174 km (0.113 R)
• M13: 6,820,915 km (0.081 R)
• M14: 7,841,322 km (0.109 R)
• M15: 9,558,406 km (0.043 R)
• M16: 10,878,608 km (0.069 R)
• M17: 11,981,144 km (0.052 R)
• M18: 14,034,524 km (0.113 R)
• M19: 16,843,374 km (0.084 R)
• M20: 19,873,180 km (0.086 R)
• M21: 21,306,327 km (0.096 R)
• M22: 21,798,953 km (0.091 R)
• M23: 23,921,448 km (0.1 R)
• M24: 24,530,311 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.8

Radius: 3.7

Gravity: 29.13 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.67 AU - 8.05 AU

Year: 11787 Days

Day: 18.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 36,654,719 km

• M1: 83,027 km (0.081 R)
• M2: 250,128 km (0.095 R)
• M3: 603,179 km (0.049 R)
• M4: 726,447 km (0.038 R)
• M5: 1,311,824 km (0.118 R)
• M6: 1,663,977 km (0.113 R)
• M7: 2,361,253 km (0.058 R)
• M8: 2,944,385 km (0.073 R)
• M9: 4,619,133 km (0.104 R)
• M10: 4,918,479 km (0.116 R)
• M11: 5,523,004 km (0.053 R)
• M12: 7,188,776 km (0.079 R)
• M13: 8,439,414 km (0.106 R)
• M14: 8,886,562 km (0.098 R)
• M15: 9,396,392 km (0.084 R)
• M16: 10,172,506 km (0.087 R)
• M17: 11,254,846 km (0.117 R)
• M18: 12,989,284 km (0.119 R)
• M19: 13,225,349 km (0.104 R)
• M20: 16,628,851 km (0.032 R)
• M21: 20,255,402 km (0.05 R)
• M22: 20,413,826 km (0.052 R)
• M23: 20,652,734 km (0.038 R)
• M24: 21,627,364 km (0.042 R)
• M25: 23,493,298 km (0.083 R)
• M26: 24,915,675 km (0.036 R)
• M27: 25,280,095 km (0.099 R)
• M28: 25,463,652 km (0.098 R)
• M29: 28,324,113 km (0.104 R)
• M30: 28,920,859 km (0.066 R)
• M31: 34,786,442 km (0.113 R)
• M32: 42,294,011 km (0.05 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.2

Radius: 4.9

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.32 AU - 9.56 AU

Year: 14677 Days

Day: 19.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,654,719 km

• M1: 61,036 km (0.104 R)
• M2: 216,468 km (0.087 R)
• M3: 605,722 km (0.117 R)
• M4: 881,580 km (0.068 R)
• M5: 1,328,728 km (0.114 R)
• M6: 1,684,322 km (0.063 R)
• M7: 1,899,594 km (0.095 R)
• M8: 2,509,953 km (0.103 R)
• M9: 4,107,958 km (0.098 R)
• M10: 4,392,642 km (0.106 R)
• M11: 5,508,942 km (0.06 R)
• M12: 5,759,368 km (0.036 R)
• M13: 7,614,831 km (0.107 R)
• M14: 8,044,476 km (0.117 R)
• M15: 9,037,955 km (0.1 R)
• M16: 10,919,747 km (0.112 R)
• M17: 12,345,564 km (0.109 R)
• M18: 12,558,891 km (0.09 R)
• M19: 14,355,112 km (0.091 R)
• M20: 17,160,821 km (0.064 R)
• M21: 21,983,407 km (0.12 R)
• M22: 24,158,111 km (0.09 R)
• M23: 25,254,514 km (0.109 R)
• M24: 31,040,960 km (0.119 R)
• M25: 33,769,924 km (0.106 R)
• M26: 34,714,036 km (0.1 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 11,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit