🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.7

Radius: 10.3

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.46 AU - 0.7 AU

Year: 300 Days

Day: 9.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 95.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,251,934 km

• M1: 128,056 km (0.031 R)
• M2: 476,020 km (0.071 R)
• M3: 851,661 km (0.088 R)
• M4: 1,243,607 km (0.07 R)
• M5: 1,587,682 km (0.094 R)
• M6: 1,944,922 km (0.1 R)
• M7: 2,423,336 km (0.067 R)
• M8: 3,037,884 km (0.094 R)
• M9: 3,719,302 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.8

Radius: 14.9

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.81 AU - 1.07 AU

Year: 618 Days

Day: 13 Hours

Environment

Temp: -168 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,251,934 km

• M1: 186,399 km (0.114 R)
• M2: 815,308 km (0.114 R)
• M3: 1,469,649 km (0.061 R)
• M4: 1,996,832 km (0.113 R)
• M5: 2,486,915 km (0.118 R)
• M6: 3,260,186 km (0.119 R)
• M7: 3,883,112 km (0.1 R)
• M8: 4,944,210 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.5

Radius: 13.2

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.36 AU - 1.38 AU

Year: 1088 Days

Day: 13.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,251,934 km

• M1: 164,109 km (0.09 R)
• M2: 576,550 km (0.054 R)
• M3: 1,126,322 km (0.03 R)
• M4: 1,589,627 km (0.079 R)
• M5: 2,025,406 km (0.045 R)
• M6: 2,725,972 km (0.107 R)
• M7: 3,183,293 km (0.106 R)
• M8: 4,677,776 km (0.085 R)
• M9: 5,320,897 km (0.031 R)
• M10: 6,099,704 km (0.117 R)
• M11: 7,431,125 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.6

Radius: 9.7

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.19 AU - 1.97 AU

Year: 1347 Days

Day: 6.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,251,934 km

• M1: 121,773 km (0.117 R)
• M2: 581,038 km (0.104 R)
• M3: 927,357 km (0.055 R)
• M4: 1,322,595 km (0.084 R)
• M5: 1,788,443 km (0.059 R)
• M6: 2,373,819 km (0.052 R)
• M7: 2,993,753 km (0.042 R)
• M8: 3,326,757 km (0.112 R)
• M9: 3,820,879 km (0.084 R)
• M10: 4,158,671 km (0.104 R)
• M11: 4,516,509 km (0.112 R)
• M12: 4,894,842 km (0.109 R)
• M13: 5,294,119 km (0.108 R)
• M14: 5,760,864 km (0.068 R)
• M15: 9,097,795 km (0.082 R)
• M16: 9,477,175 km (0.116 R)
• M17: 10,994,396 km (0.075 R)
• M18: 12,319,983 km (0.089 R)
• M19: 12,981,654 km (0.042 R)
• M20: 13,462,911 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.1

Radius: 12.5

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.65 AU - 3.19 AU

Year: 3384 Days

Day: 10 Hours

Environment

Temp: -214 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,251,934 km

• M1: 155,881 km (0.08 R)
• M2: 788,530 km (0.059 R)
• M3: 1,738,477 km (0.055 R)
• M4: 2,259,975 km (0.055 R)
• M5: 3,007,516 km (0.077 R)
• M6: 3,569,854 km (0.118 R)
• M7: 4,565,577 km (0.077 R)
• M8: 5,665,421 km (0.103 R)
• M9: 6,187,966 km (0.076 R)
• M10: 6,607,439 km (0.096 R)
• M11: 7,130,283 km (0.112 R)
• M12: 7,710,424 km (0.107 R)
• M13: 8,639,576 km (0.095 R)
• M14: 9,164,964 km (0.067 R)
• M15: 10,064,047 km (0.054 R)
• M16: 10,535,280 km (0.075 R)
• M17: 10,983,326 km (0.094 R)
• M18: 13,073,657 km (0.061 R)
• M19: 16,538,344 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.2

Radius: 4.1

Gravity: 38.02 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 6.34 AU - 9.06 AU

Year: 14492 Days

Day: 20 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,251,934 km

• M1: 56,847 km (0.049 R)
• M2: 335,099 km (0.118 R)
• M3: 559,795 km (0.101 R)
• M4: 706,700 km (0.036 R)
• M5: 889,958 km (0.101 R)
• M6: 1,080,246 km (0.1 R)
• M7: 1,283,849 km (0.091 R)
• M8: 1,453,044 km (0.095 R)
• M9: 1,785,151 km (0.113 R)
• M10: 2,448,468 km (0.058 R)
• M11: 2,894,120 km (0.07 R)
• M12: 3,086,802 km (0.086 R)
• M13: 4,151,491 km (0.054 R)
• M14: 4,684,358 km (0.106 R)
• M15: 7,954,418 km (0.075 R)
• M16: 10,241,470 km (0.107 R)
• M17: 11,444,836 km (0.093 R)
• M18: 11,624,054 km (0.069 R)
• M19: 18,076,509 km (0.076 R)
• M20: 20,696,117 km (0.07 R)
• M21: 22,049,978 km (0.102 R)
• M22: 22,514,180 km (0.098 R)
• M23: 23,365,841 km (0.115 R)
• M24: 25,844,229 km (0.113 R)
• M25: 26,882,737 km (0.114 R)
• M26: 27,948,772 km (0.1 R)
• M27: 34,196,128 km (0.06 R)
• M28: 34,443,713 km (0.119 R)
• M29: 35,573,326 km (0.116 R)
• M30: 37,117,625 km (0.077 R)
• M31: 38,840,394 km (0.107 R)
• M32: 40,339,066 km (0.115 R)
• M33: 41,032,901 km (0.053 R)
• M34: 42,730,388 km (0.059 R)
• M35: 45,812,852 km (0.038 R)
• M36: 48,726,420 km (0.073 R)
• M37: 52,415,653 km (0.102 R)
• M38: 55,942,722 km (0.076 R)
• M39: 59,446,005 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.9

Radius: 4.1

Gravity: 44.67 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 9.47 AU - 9.57 AU

Year: 19923 Days

Day: 19.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 78,251,934 km

• M1: 51,013 km (0.079 R)
• M2: 484,697 km (0.104 R)
• M3: 1,065,885 km (0.108 R)
• M4: 1,229,395 km (0.117 R)
• M5: 1,804,749 km (0.095 R)
• M6: 2,099,756 km (0.097 R)
• M7: 2,403,290 km (0.119 R)
• M8: 2,637,560 km (0.07 R)
• M9: 2,964,731 km (0.09 R)
• M10: 3,432,673 km (0.061 R)
• M11: 3,609,049 km (0.077 R)
• M12: 3,948,187 km (0.113 R)
• M13: 5,803,500 km (0.09 R)
• M14: 6,712,456 km (0.052 R)
• M15: 7,177,107 km (0.099 R)
• M16: 7,712,518 km (0.054 R)
• M17: 8,699,415 km (0.067 R)
• M18: 9,421,225 km (0.107 R)
• M19: 12,502,193 km (0.085 R)
• M20: 16,111,840 km (0.111 R)
• M21: 19,142,992 km (0.107 R)
• M22: 19,511,901 km (0.103 R)
• M23: 21,626,167 km (0.056 R)
• M24: 23,994,750 km (0.073 R)
• M25: 25,076,343 km (0.095 R)
• M26: 29,361,125 km (0.113 R)
• M27: 32,516,892 km (0.051 R)
• M28: 32,778,838 km (0.08 R)
• M29: 34,244,000 km (0.062 R)
• M30: 34,379,386 km (0.071 R)
• M31: 35,474,891 km (0.1 R)
• M32: 36,452,364 km (0.082 R)
• M33: 37,879,677 km (0.088 R)
• M34: 43,168,560 km (0.107 R)
• M35: 45,578,282 km (0.116 R)
• M36: 46,401,071 km (0.096 R)
• M37: 53,889,641 km (0.111 R)
• M38: 54,072,749 km (0.11 R)
• M39: 54,256,305 km (0.075 R)
• M40: 58,786,877 km (0.086 R)
• M41: 61,143,941 km (0.118 R)
• M42: 72,087,175 km (0.077 R)
• M43: 73,203,324 km (0.096 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: 369 - 14,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit