🌌 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: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.1

Radius: 8.1

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.61 AU - 0.69 AU

Year: 349 Days

Day: 11.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,101,468 km

• M1: 100,829 km (0.069 R)
• M2: 366,664 km (0.081 R)
• M3: 825,481 km (0.117 R)
• M4: 1,212,341 km (0.089 R)
• M5: 1,874,611 km (0.116 R)
• M6: 3,038,034 km (0.048 R)
• M7: 3,348,000 km (0.119 R)
• M8: 4,158,372 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.3

Radius: 8.4

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.61 AU - 0.83 AU

Year: 407 Days

Day: 12.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,101,468 km

• M1: 104,569 km (0.083 R)
• M2: 468,690 km (0.111 R)
• M3: 801,097 km (0.062 R)
• M4: 1,303,596 km (0.05 R)
• M5: 1,571,526 km (0.068 R)
• M6: 2,043,806 km (0.06 R)
• M7: 2,828,447 km (0.107 R)
• M8: 3,529,612 km (0.103 R)
• M9: 3,901,961 km (0.108 R)
• M10: 4,509,777 km (0.109 R)
• M11: 4,829,169 km (0.112 R)
• M12: 5,179,228 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144

Radius: 11.5

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.06 AU - 1.34 AU

Year: 877 Days

Day: 5.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,101,468 km

• M1: 144,063 km (0.103 R)
• M2: 523,593 km (0.071 R)
• M3: 1,263,055 km (0.064 R)
• M4: 2,096,465 km (0.091 R)
• M5: 2,794,488 km (0.08 R)
• M6: 3,198,402 km (0.092 R)
• M7: 5,286,041 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.5

Radius: 9.3

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.35 AU - 3.91 AU

Year: 3693 Days

Day: 8.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,101,468 km

• M1: 116,537 km (0.108 R)
• M2: 464,801 km (0.098 R)
• M3: 763,099 km (0.106 R)
• M4: 1,232,686 km (0.113 R)
• M5: 2,676,306 km (0.027 R)
• M6: 3,155,318 km (0.118 R)
• M7: 3,710,775 km (0.119 R)
• M8: 4,196,669 km (0.034 R)
• M9: 5,218,572 km (0.057 R)
• M10: 6,137,701 km (0.091 R)
• M11: 6,849,039 km (0.111 R)
• M12: 7,647,294 km (0.055 R)
• M13: 9,051,718 km (0.106 R)
• M14: 11,124,995 km (0.054 R)
• M15: 12,317,739 km (0.054 R)
• M16: 12,780,445 km (0.119 R)
• M17: 14,594,170 km (0.116 R)
• M18: 16,185,891 km (0.037 R)
• M19: 16,966,942 km (0.116 R)
• M20: 18,968,262 km (0.092 R)
• M21: 19,398,954 km (0.066 R)
• M22: 21,385,764 km (0.095 R)
• M23: 21,785,340 km (0.101 R)
• M24: 22,462,419 km (0.103 R)
• M25: 22,875,459 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.4

Radius: 9

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.04 AU - 3.5 AU

Year: 3943 Days

Day: 9 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,101,468 km

• M1: 111,899 km (0.066 R)
• M2: 419,024 km (0.097 R)
• M3: 1,161,627 km (0.094 R)
• M4: 1,456,784 km (0.115 R)
• M5: 1,900,791 km (0.108 R)
• M6: 3,009,460 km (0.12 R)
• M7: 3,386,148 km (0.101 R)
• M8: 3,875,632 km (0.109 R)
• M9: 4,709,191 km (0.106 R)
• M10: 7,632,184 km (0.105 R)
• M11: 8,164,453 km (0.093 R)
• M12: 8,509,426 km (0.118 R)
• M13: 9,641,583 km (0.045 R)
• M14: 10,995,294 km (0.12 R)
• M15: 11,331,440 km (0.063 R)
• M16: 11,631,234 km (0.095 R)
• M17: 12,112,940 km (0.088 R)
• M18: 12,791,216 km (0.116 R)
• M19: 13,638,389 km (0.069 R)
• M20: 16,187,537 km (0.087 R)
• M21: 17,688,452 km (0.063 R)
• M22: 18,034,173 km (0.117 R)
• M23: 20,455,863 km (0.113 R)
• M24: 21,678,676 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.2

Radius: 9.1

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.11 AU - 4.99 AU

Year: 5435 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,101,468 km

• M1: 138,827 km (0.087 R)
• M2: 477,965 km (0.053 R)
• M3: 896,390 km (0.092 R)
• M4: 2,414,360 km (0.097 R)
• M5: 3,317,632 km (0.08 R)
• M6: 3,639,567 km (0.111 R)
• M7: 4,935,383 km (0.111 R)
• M8: 7,138,661 km (0.117 R)
• M9: 7,525,670 km (0.061 R)
• M10: 10,638,503 km (0.114 R)
• M11: 13,150,102 km (0.054 R)
• M12: 13,551,473 km (0.108 R)
• M13: 14,378,749 km (0.112 R)
• M14: 16,697,217 km (0.115 R)
• M15: 17,433,388 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788

Radius: 8

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.68 AU - 5.48 AU

Year: 7635 Days

Day: 11.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 45,101,468 km

• M1: 99,931 km (0.056 R)
• M2: 356,043 km (0.077 R)
• M3: 801,695 km (0.091 R)
• M4: 1,496,876 km (0.077 R)
• M5: 2,003,863 km (0.082 R)
• M6: 2,360,206 km (0.109 R)
• M7: 3,497,598 km (0.115 R)
• M8: 3,888,348 km (0.108 R)
• M9: 5,717,331 km (0.114 R)
• M10: 6,875,219 km (0.08 R)
• M11: 7,489,617 km (0.055 R)
• M12: 8,827,770 km (0.1 R)
• M13: 10,026,947 km (0.04 R)
• M14: 10,715,845 km (0.071 R)
• M15: 11,123,499 km (0.061 R)
• M16: 12,408,695 km (0.072 R)
• M17: 13,909,610 km (0.053 R)
• M18: 14,517,875 km (0.088 R)
• M19: 14,828,739 km (0.094 R)
• M20: 15,527,960 km (0.069 R)
• M21: 17,060,740 km (0.068 R)
• M22: 17,476,771 km (0.088 R)
• M23: 17,757,716 km (0.089 R)
• M24: 18,256,775 km (0.093 R)
• M25: 20,269,763 km (0.106 R)
• M26: 22,097,550 km (0.056 R)
• M27: 25,443,456 km (0.087 R)
• M28: 26,815,568 km (0.107 R)
• M29: 27,757,436 km (0.066 R)
• M30: 32,374,924 km (0.1 R)
• M31: 33,875,839 km (0.037 R)
• M32: 41,331,349 km (0.089 R)

Asteroid Belt

Center: 6.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.9

Radius: 8

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.19 AU - 9.15 AU

Year: 17024 Days

Day: 18.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,101,468 km

• M1: 117,734 km (0.099 R)
• M2: 481,556 km (0.053 R)
• M3: 811,120 km (0.11 R)
• M4: 1,868,178 km (0.099 R)
• M5: 2,416,155 km (0.037 R)
• M6: 2,768,907 km (0.109 R)
• M7: 3,481,442 km (0.071 R)
• M8: 5,524,649 km (0.116 R)
• M9: 10,567,294 km (0.059 R)
• M10: 15,271,998 km (0.054 R)
• M11: 17,750,236 km (0.105 R)
• M12: 21,209,837 km (0.036 R)
• M13: 21,951,842 km (0.104 R)
• M14: 23,313,781 km (0.032 R)
• M15: 25,276,954 km (0.038 R)
• M16: 26,017,463 km (0.097 R)
• M17: 28,424,792 km (0.117 R)
• M18: 35,832,131 km (0.054 R)
• M19: 41,938,417 km (0.114 R)
• M20: 42,584,829 km (0.1 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: 397 - 12,551 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit