🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.3

Radius: 11.9

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.85 AU - 0.97 AU

Year: 579 Days

Day: 9.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,397,314 km

• M1: 147,952 km (0.084 R)
• M2: 554,559 km (0.092 R)
• M3: 928,105 km (0.112 R)
• M4: 1,344,885 km (0.098 R)
• M5: 1,741,918 km (0.116 R)
• M6: 2,364,394 km (0.094 R)
• M7: 3,176,711 km (0.104 R)
• M8: 3,610,545 km (0.098 R)
• M9: 4,733,725 km (0.096 R)
• M10: 5,108,019 km (0.079 R)
• M11: 5,706,560 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.6

Radius: 12.3

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.89 AU - 1.33 AU

Year: 780 Days

Day: 8.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,397,314 km

• M1: 153,039 km (0.095 R)
• M2: 1,530,985 km (0.095 R)
• M3: 2,706,525 km (0.101 R)
• M4: 3,223,834 km (0.09 R)
• M5: 3,792,306 km (0.086 R)
• M6: 4,443,057 km (0.054 R)
• M7: 5,113,854 km (0.096 R)
• M8: 6,408,922 km (0.117 R)
• M9: 7,447,132 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.3

Radius: 13.9

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.67 AU - 1.79 AU

Year: 1517 Days

Day: 8.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,397,314 km

• M1: 175,329 km (0.105 R)
• M2: 629,807 km (0.108 R)
• M3: 1,100,741 km (0.061 R)
• M4: 1,584,989 km (0.095 R)
• M5: 2,046,648 km (0.108 R)
• M6: 2,918,505 km (0.107 R)
• M7: 4,938,675 km (0.108 R)
• M8: 5,435,040 km (0.113 R)
• M9: 6,572,134 km (0.11 R)
• M10: 7,060,272 km (0.081 R)
• M11: 7,837,881 km (0.105 R)
• M12: 8,464,547 km (0.071 R)
• M13: 9,124,423 km (0.056 R)

Asteroid Belt

Center: 5.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.2

Radius: 6.7

Gravity: 17.31 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.62 AU - 9 AU

Year: 17438 Days

Day: 22.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,397,314 km

• M1: 83,326 km (0.081 R)
• M2: 963,560 km (0.06 R)
• M3: 1,213,688 km (0.06 R)
• M4: 1,705,715 km (0.092 R)
• M5: 1,940,584 km (0.115 R)
• M6: 2,301,713 km (0.095 R)
• M7: 3,572,397 km (0.065 R)
• M8: 4,474,622 km (0.111 R)
• M9: 5,481,565 km (0.106 R)
• M10: 6,079,358 km (0.095 R)
• M11: 8,646,907 km (0.092 R)
• M12: 9,623,631 km (0.105 R)
• M13: 10,976,295 km (0.049 R)
• M14: 12,856,441 km (0.119 R)
• M15: 13,270,678 km (0.118 R)
• M16: 13,908,712 km (0.091 R)
• M17: 15,476,648 km (0.114 R)
• M18: 16,024,475 km (0.094 R)
• M19: 16,263,233 km (0.091 R)
• M20: 20,227,427 km (0.089 R)
• M21: 21,358,537 km (0.094 R)
• M22: 22,037,562 km (0.118 R)
• M23: 24,685,593 km (0.103 R)
• M24: 26,861,644 km (0.117 R)
• M25: 27,766,711 km (0.03 R)
• M26: 30,971,696 km (0.049 R)
• M27: 35,617,009 km (0.118 R)
• M28: 40,558,825 km (0.111 R)
• M29: 40,854,131 km (0.106 R)
• M30: 43,888,126 km (0.102 R)
• M31: 45,459,801 km (0.117 R)
• M32: 53,352,136 km (0.08 R)
• M33: 54,600,530 km (0.1 R)
• M34: 58,087,208 km (0.099 R)
• M35: 68,591,820 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.9

Radius: 3.7

Gravity: 57.55 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.79 AU - 10.05 AU

Year: 19280 Days

Day: 21.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 87,397,314 km

• M1: 47,572 km (0.101 R)
• M2: 167,400 km (0.077 R)
• M3: 401,670 km (0.113 R)
• M4: 613,650 km (0.106 R)
• M5: 862,731 km (0.089 R)
• M6: 1,004,400 km (0.117 R)
• M7: 1,246,300 km (0.093 R)
• M8: 1,396,795 km (0.076 R)
• M9: 1,716,486 km (0.09 R)
• M10: 2,476,144 km (0.105 R)
• M11: 2,891,278 km (0.082 R)
• M12: 3,826,863 km (0.118 R)
• M13: 6,184,825 km (0.104 R)
• M14: 7,466,879 km (0.084 R)
• M15: 8,537,700 km (0.04 R)
• M16: 9,648,763 km (0.073 R)
• M17: 10,059,410 km (0.038 R)
• M18: 11,687,034 km (0.114 R)
• M19: 12,153,481 km (0.096 R)
• M20: 14,218,829 km (0.082 R)
• M21: 14,445,021 km (0.086 R)
• M22: 17,093,501 km (0.112 R)
• M23: 17,694,137 km (0.087 R)
• M24: 24,064,613 km (0.082 R)
• M25: 27,174,453 km (0.087 R)
• M26: 30,666,965 km (0.101 R)
• M27: 32,716,306 km (0.112 R)
• M28: 34,718,674 km (0.105 R)
• M29: 35,128,722 km (0.11 R)
• M30: 35,680,439 km (0.104 R)
• M31: 39,854,668 km (0.057 R)
• M32: 48,813,336 km (0.053 R)
• M33: 55,414,342 km (0.12 R)
• M34: 57,485,824 km (0.103 R)
• M35: 61,782,275 km (0.098 R)
• M36: 63,599,889 km (0.093 R)
• M37: 67,341,481 km (0.048 R)
• M38: 71,888,958 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.5

Radius: 5.7

Gravity: 26.45 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 8.51 AU - 12.05 AU

Year: 21980 Days

Day: 22.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 87,397,314 km

• M1: 70,909 km (0.085 R)
• M2: 402,418 km (0.1 R)
• M3: 914,791 km (0.12 R)
• M4: 1,133,353 km (0.1 R)
• M5: 1,339,499 km (0.079 R)
• M6: 1,789,789 km (0.054 R)
• M7: 2,200,734 km (0.075 R)
• M8: 2,748,711 km (0.111 R)
• M9: 3,180,750 km (0.12 R)
• M10: 3,472,915 km (0.092 R)
• M11: 6,448,715 km (0.106 R)
• M12: 9,788,937 km (0.061 R)
• M13: 12,707,292 km (0.119 R)
• M14: 16,672,533 km (0.092 R)
• M15: 20,984,093 km (0.116 R)
• M16: 21,186,798 km (0.119 R)
• M17: 22,642,535 km (0.058 R)
• M18: 25,636,138 km (0.111 R)
• M19: 25,867,865 km (0.075 R)
• M20: 28,262,329 km (0.117 R)
• M21: 35,745,364 km (0.063 R)
• M22: 36,911,779 km (0.061 R)
• M23: 39,474,091 km (0.097 R)
• M24: 44,114,766 km (0.101 R)
• M25: 44,447,472 km (0.102 R)
• M26: 50,002,939 km (0.054 R)
• M27: 52,014,731 km (0.118 R)
• M28: 55,809,430 km (0.11 R)
• M29: 60,396,550 km (0.1 R)
• M30: 63,097,390 km (0.041 R)
• M31: 65,877,517 km (0.083 R)
• M32: 71,222,798 km (0.1 R)
• M33: 72,140,880 km (0.073 R)
• M34: 73,532,739 km (0.229 R)
• M35: 74,706,185 km (0.077 R)
• M36: 76,609,668 km (0.083 R)
• M37: 77,331,777 km (0.104 R)
• M38: 79,279,392 km (0.094 R)
• M39: 81,509,297 km (0.092 R)
• M40: 84,803,592 km (0.161 R)
• M41: 85,318,209 km (0.089 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: 534 - 14,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit