🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.7

Radius: 8.5

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.75 AU - 0.89 AU

Year: 487 Days

Day: 9.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,655,402 km

• M1: 105,766 km (0.068 R)
• M2: 440,865 km (0.097 R)
• M3: 752,028 km (0.049 R)
• M4: 1,316,910 km (0.109 R)
• M5: 1,853,368 km (0.1 R)
• M6: 2,132,368 km (0.102 R)
• M7: 2,928,528 km (0.069 R)
• M8: 3,285,768 km (0.055 R)
• M9: 3,789,763 km (0.091 R)
• M10: 4,172,434 km (0.109 R)
• M11: 4,446,647 km (0.063 R)
• M12: 4,779,203 km (0.051 R)
• M13: 5,079,745 km (0.068 R)
• M14: 6,149,819 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.9

Radius: 9

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.86 AU - 1.05 AU

Year: 607 Days

Day: 5.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,655,402 km

• M1: 111,899 km (0.075 R)
• M2: 398,379 km (0.11 R)
• M3: 718,369 km (0.106 R)
• M4: 1,524,851 km (0.106 R)
• M5: 1,901,239 km (0.114 R)
• M6: 2,249,952 km (0.045 R)
• M7: 2,543,912 km (0.108 R)
• M8: 4,536,406 km (0.043 R)
• M9: 5,321,795 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.1

Radius: 13.1

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2 AU - 2.66 AU

Year: 2333 Days

Day: 7.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,655,402 km

• M1: 162,912 km (0.078 R)
• M2: 709,393 km (0.089 R)
• M3: 1,286,392 km (0.103 R)
• M4: 1,997,431 km (0.043 R)
• M5: 2,490,505 km (0.072 R)
• M6: 3,024,869 km (0.086 R)
• M7: 4,108,855 km (0.072 R)
• M8: 4,552,562 km (0.074 R)
• M9: 7,226,176 km (0.045 R)
• M10: 8,757,310 km (0.033 R)
• M11: 9,732,538 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373

Radius: 12.1

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.29 AU - 3.33 AU

Year: 3090 Days

Day: 7.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,655,402 km

• M1: 152,739 km (0.108 R)
• M2: 610,509 km (0.053 R)
• M3: 1,006,046 km (0.103 R)
• M4: 1,661,584 km (0.057 R)
• M5: 2,124,589 km (0.109 R)
• M6: 2,746,916 km (0.064 R)
• M7: 3,575,988 km (0.086 R)
• M8: 4,098,383 km (0.083 R)
• M9: 4,565,129 km (0.036 R)
• M10: 5,044,739 km (0.054 R)
• M11: 5,654,949 km (0.049 R)
• M12: 6,313,778 km (0.082 R)
• M13: 6,716,795 km (0.119 R)
• M14: 7,165,588 km (0.069 R)
• M15: 8,217,860 km (0.119 R)
• M16: 11,122,003 km (0.054 R)
• M17: 12,446,992 km (0.094 R)
• M18: 15,073,781 km (0.116 R)
• M19: 16,491,819 km (0.111 R)
• M20: 17,625,621 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.7

Radius: 5.6

Gravity: 23.14 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.57 AU - 8.77 AU

Year: 12595 Days

Day: 15.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,655,402 km

• M1: 73,602 km (0.116 R)
• M2: 478,863 km (0.072 R)
• M3: 692,339 km (0.097 R)
• M4: 958,922 km (0.045 R)
• M5: 1,279,361 km (0.083 R)
• M6: 1,486,704 km (0.116 R)
• M7: 1,934,749 km (0.088 R)
• M8: 2,133,714 km (0.105 R)
• M9: 2,366,489 km (0.097 R)
• M10: 2,814,684 km (0.079 R)
• M11: 4,754,669 km (0.096 R)
• M12: 6,483,123 km (0.076 R)
• M13: 7,889,493 km (0.099 R)
• M14: 8,447,792 km (0.092 R)
• M15: 9,747,498 km (0.049 R)
• M16: 10,172,805 km (0.055 R)
• M17: 11,998,796 km (0.112 R)
• M18: 12,241,444 km (0.117 R)
• M19: 12,862,275 km (0.104 R)
• M20: 15,485,324 km (0.081 R)
• M21: 16,137,571 km (0.099 R)
• M22: 16,732,671 km (0.096 R)
• M23: 18,284,151 km (0.1 R)
• M24: 33,564,825 km (0.12 R)
• M25: 34,655,693 km (0.1 R)
• M26: 36,525,816 km (0.118 R)
• M27: 42,398,281 km (0.117 R)
• M28: 47,344,884 km (0.111 R)
• M29: 50,427,049 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.4

Radius: 7.4

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.35 AU - 11.67 AU

Year: 19239 Days

Day: 22.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,655,402 km

• M1: 92,003 km (0.106 R)
• M2: 390,002 km (0.031 R)
• M3: 1,122,582 km (0.086 R)
• M4: 1,916,199 km (0.119 R)
• M5: 2,368,733 km (0.115 R)
• M6: 2,700,990 km (0.119 R)
• M7: 3,626,552 km (0.096 R)
• M8: 4,130,696 km (0.074 R)
• M9: 9,001,753 km (0.083 R)
• M10: 11,149,978 km (0.086 R)
• M11: 12,342,722 km (0.089 R)
• M12: 13,549,079 km (0.064 R)
• M13: 14,612,870 km (0.069 R)
• M14: 21,808,228 km (0.066 R)
• M15: 22,871,270 km (0.076 R)
• M16: 24,069,998 km (0.039 R)
• M17: 26,809,734 km (0.117 R)
• M18: 29,053,851 km (0.088 R)
• M19: 29,750,678 km (0.116 R)
• M20: 30,936,989 km (0.085 R)
• M21: 31,298,867 km (0.098 R)
• M22: 31,908,328 km (0.068 R)
• M23: 34,554,864 km (0.1 R)
• M24: 38,723,858 km (0.043 R)
• M25: 45,044,517 km (0.117 R)
• M26: 57,109,286 km (0.118 R)
• M27: 64,267,844 km (0.086 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 15,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit