🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.6

Radius: 8.5

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.65 AU - 0.73 AU

Year: 382 Days

Day: 7.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 72,429,497 km

• M1: 106,214 km (0.118 R)
• M2: 500,255 km (0.119 R)
• M3: 1,393,504 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.7

Radius: 8.7

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.53 AU - 0.87 AU

Year: 391 Days

Day: 8.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,429,497 km

• M1: 108,458 km (0.106 R)
• M2: 449,841 km (0.109 R)
• M3: 872,455 km (0.093 R)
• M4: 1,308,533 km (0.116 R)
• M5: 1,600,996 km (0.119 R)
• M6: 1,922,333 km (0.071 R)
• M7: 2,640,851 km (0.082 R)
• M8: 2,990,611 km (0.063 R)
• M9: 3,305,515 km (0.093 R)
• M10: 3,654,227 km (0.051 R)
• M11: 4,052,457 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.1

Radius: 14

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.71 AU - 0.81 AU

Year: 442 Days

Day: 9.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,429,497 km

• M1: 174,132 km (0.086 R)
• M2: 802,593 km (0.084 R)
• M3: 1,446,761 km (0.067 R)
• M4: 2,031,988 km (0.041 R)
• M5: 2,544,660 km (0.106 R)
• M6: 3,143,949 km (0.113 R)
• M7: 3,726,483 km (0.069 R)
• M8: 4,313,206 km (0.059 R)
• M9: 5,095,453 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.7

Radius: 10.9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.37 AU - 2.61 AU

Year: 2620 Days

Day: 14.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,429,497 km

• M1: 135,685 km (0.104 R)
• M2: 500,854 km (0.111 R)
• M3: 1,048,083 km (0.083 R)
• M4: 1,391,410 km (0.072 R)
• M5: 1,777,971 km (0.079 R)
• M6: 2,159,296 km (0.119 R)
• M7: 2,819,920 km (0.097 R)
• M8: 3,257,494 km (0.11 R)
• M9: 4,009,073 km (0.11 R)
• M10: 4,783,093 km (0.082 R)
• M11: 6,246,459 km (0.078 R)
• M12: 6,738,786 km (0.09 R)
• M13: 7,316,084 km (0.107 R)
• M14: 8,372,843 km (0.107 R)
• M15: 8,735,768 km (0.069 R)
• M16: 9,887,970 km (0.089 R)
• M17: 10,981,680 km (0.101 R)
• M18: 12,792,862 km (0.09 R)
• M19: 18,900,345 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.8

Radius: 13.9

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.91 AU - 5.77 AU

Year: 8229 Days

Day: 8.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,429,497 km

• M1: 172,935 km (0.11 R)
• M2: 625,917 km (0.089 R)
• M3: 1,075,758 km (0.077 R)
• M4: 1,848,880 km (0.087 R)
• M5: 2,496,639 km (0.074 R)
• M6: 3,029,506 km (0.11 R)
• M7: 3,571,649 km (0.071 R)
• M8: 4,353,298 km (0.055 R)
• M9: 5,019,158 km (0.098 R)
• M10: 5,752,337 km (0.11 R)
• M11: 7,144,196 km (0.119 R)
• M12: 8,427,147 km (0.104 R)
• M13: 9,464,758 km (0.101 R)
• M14: 13,307,479 km (0.041 R)
• M15: 13,802,797 km (0.112 R)
• M16: 16,973,524 km (0.114 R)
• M17: 21,640,080 km (0.054 R)
• M18: 22,249,093 km (0.078 R)
• M19: 23,263,067 km (0.052 R)
• M20: 31,338,959 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.1

Radius: 4.3

Gravity: 50.14 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.4 AU - 8.04 AU

Year: 12937 Days

Day: 16.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,429,497 km

• M1: 53,406 km (0.113 R)
• M2: 261,497 km (0.078 R)
• M3: 438,920 km (0.117 R)
• M4: 705,055 km (0.039 R)
• M5: 1,319,154 km (0.117 R)
• M6: 1,768,696 km (0.075 R)
• M7: 2,095,268 km (0.085 R)
• M8: 2,418,100 km (0.116 R)
• M9: 3,037,136 km (0.087 R)
• M10: 3,842,122 km (0.111 R)
• M11: 4,420,168 km (0.104 R)
• M12: 6,056,619 km (0.103 R)
• M13: 6,583,653 km (0.105 R)
• M14: 8,105,811 km (0.108 R)
• M15: 10,806,053 km (0.065 R)
• M16: 11,579,474 km (0.098 R)
• M17: 15,116,416 km (0.099 R)
• M18: 18,466,960 km (0.12 R)
• M19: 20,536,646 km (0.08 R)
• M20: 22,092,913 km (0.099 R)
• M21: 24,926,147 km (0.079 R)
• M22: 26,376,648 km (0.039 R)
• M23: 26,588,329 km (0.094 R)
• M24: 29,331,206 km (0.099 R)
• M25: 32,742,486 km (0.067 R)
• M26: 33,603,721 km (0.038 R)
• M27: 40,761,680 km (0.098 R)
• M28: 41,186,687 km (0.065 R)
• M29: 44,844,206 km (0.088 R)
• M30: 48,553,485 km (0.115 R)
• M31: 50,319,787 km (0.061 R)
• M32: 59,979,920 km (0.102 R)
• M33: 60,529,692 km (0.1 R)
• M34: 61,639,409 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.3

Radius: 7.5

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 9.02 AU - 12.98 AU

Year: 24329 Days

Day: 19.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 56.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,429,497 km

• M1: 93,199 km (0.071 R)
• M2: 707,448 km (0.104 R)
• M3: 1,156,990 km (0.119 R)
• M4: 1,517,072 km (0.103 R)
• M5: 2,375,764 km (0.076 R)
• M6: 4,827,673 km (0.025 R)
• M7: 5,724,961 km (0.068 R)
• M8: 6,773,193 km (0.095 R)
• M9: 7,180,249 km (0.083 R)
• M10: 7,651,482 km (0.096 R)
• M11: 9,135,344 km (0.11 R)
• M12: 10,264,359 km (0.115 R)
• M13: 10,560,562 km (0.084 R)
• M14: 12,259,994 km (0.069 R)
• M15: 14,280,014 km (0.108 R)
• M16: 18,614,762 km (0.045 R)
• M17: 18,878,503 km (0.115 R)
• M18: 26,756,477 km (0.075 R)
• M19: 27,431,462 km (0.029 R)
• M20: 32,732,613 km (0.112 R)
• M21: 51,778,665 km (0.111 R)
• M22: 52,126,331 km (0.096 R)
• M23: 54,783,638 km (0.073 R)
• M24: 58,277,347 km (0.116 R)
• M25: 62,112,587 km (0.039 R)
• M26: 62,702,003 km (0.107 R)
• M27: 64,492,540 km (0.044 R)
• M28: 66,317,035 km (0.086 R)
• M29: 69,222,974 km (0.075 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 154 - 18,799 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit