🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.8

Radius: 11.9

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.86 AU - 1.02 AU

Year: 608 Days

Day: 5.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,044,273 km

• M1: 147,952 km (0.054 R)
• M2: 554,111 km (0.08 R)
• M3: 1,064,538 km (0.09 R)
• M4: 1,522,308 km (0.119 R)
• M5: 1,919,191 km (0.11 R)
• M6: 2,455,649 km (0.108 R)
• M7: 3,538,438 km (0.115 R)
• M8: 4,057,842 km (0.045 R)
• M9: 4,738,363 km (0.078 R)
• M10: 5,817,562 km (0.114 R)
• M11: 6,744,620 km (0.109 R)
• M12: 7,180,249 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.9

Radius: 12

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.98 AU - 1.36 AU

Year: 844 Days

Day: 13.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,044,273 km

• M1: 150,944 km (0.104 R)
• M2: 688,749 km (0.119 R)
• M3: 1,069,176 km (0.036 R)
• M4: 1,693,597 km (0.074 R)
• M5: 2,102,299 km (0.078 R)
• M6: 2,751,703 km (0.118 R)
• M7: 3,259,588 km (0.071 R)
• M8: 3,643,755 km (0.118 R)
• M9: 4,373,943 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.4

Radius: 8

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.74 AU - 2.44 AU

Year: 2015 Days

Day: 10.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,044,273 km

• M1: 99,483 km (0.071 R)
• M2: 362,027 km (0.094 R)
• M3: 939,475 km (0.105 R)
• M4: 1,412,952 km (0.079 R)
• M5: 1,681,929 km (0.074 R)
• M6: 3,122,108 km (0.05 R)
• M7: 3,806,817 km (0.1 R)
• M8: 4,851,309 km (0.077 R)
• M9: 5,265,695 km (0.085 R)
• M10: 5,554,868 km (0.087 R)
• M11: 5,898,494 km (0.091 R)
• M12: 6,723,527 km (0.042 R)
• M13: 7,365,750 km (0.065 R)
• M14: 7,967,283 km (0.085 R)
• M15: 9,357,796 km (0.042 R)
• M16: 10,094,864 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.6

Radius: 13.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.71 AU - 4.79 AU

Year: 5843 Days

Day: 13.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,044,273 km

• M1: 167,849 km (0.117 R)
• M2: 707,598 km (0.04 R)
• M3: 1,206,806 km (0.059 R)
• M4: 1,917,246 km (0.05 R)
• M5: 2,428,422 km (0.092 R)
• M6: 2,933,016 km (0.102 R)
• M7: 4,035,253 km (0.078 R)
• M8: 4,695,578 km (0.107 R)
• M9: 5,486,203 km (0.118 R)
• M10: 7,333,437 km (0.117 R)
• M11: 8,559,242 km (0.105 R)
• M12: 10,007,050 km (0.06 R)
• M13: 11,415,215 km (0.092 R)
• M14: 12,218,256 km (0.104 R)
• M15: 15,812,495 km (0.034 R)
• M16: 16,810,762 km (0.119 R)
• M17: 19,420,048 km (0.029 R)
• M18: 20,858,132 km (0.103 R)
• M19: 22,058,655 km (0.111 R)
• M20: 22,598,254 km (0.092 R)
• M21: 24,597,331 km (0.11 R)
• M22: 27,768,955 km (0.116 R)
• M23: 31,591,330 km (0.09 R)
• M24: 32,673,671 km (0.113 R)
• M25: 34,086,772 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.1

Radius: 14.4

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.09 AU - 5.45 AU

Year: 8068 Days

Day: 9.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,044,273 km

• M1: 179,069 km (0.061 R)
• M2: 716,125 km (0.098 R)
• M3: 2,602,405 km (0.105 R)
• M4: 4,475,071 km (0.118 R)
• M5: 5,606,928 km (0.087 R)
• M6: 7,229,168 km (0.069 R)
• M7: 7,724,935 km (0.072 R)
• M8: 8,395,881 km (0.037 R)
• M9: 9,854,760 km (0.11 R)
• M10: 11,382,154 km (0.115 R)
• M11: 11,957,358 km (0.068 R)
• M12: 24,959,956 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.2

Radius: 3.7

Gravity: 39.97 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.52 AU - 10.72 AU

Year: 16877 Days

Day: 21.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,044,273 km

• M1: 46,076 km (0.099 R)
• M2: 178,171 km (0.074 R)
• M3: 542,442 km (0.113 R)
• M4: 782,846 km (0.067 R)
• M5: 1,140,534 km (0.102 R)
• M6: 1,341,893 km (0.074 R)
• M7: 2,033,933 km (0.062 R)
• M8: 2,393,267 km (0.075 R)
• M9: 3,160,105 km (0.05 R)
• M10: 4,647,108 km (0.096 R)
• M11: 4,780,400 km (0.107 R)
• M12: 7,733,312 km (0.077 R)
• M13: 8,015,604 km (0.1 R)
• M14: 12,788,224 km (0.092 R)
• M15: 16,638,126 km (0.061 R)
• M16: 17,911,951 km (0.119 R)
• M17: 23,073,527 km (0.098 R)
• M18: 23,855,176 km (0.072 R)
• M19: 42,539,950 km (0.079 R)
• M20: 46,278,550 km (0.093 R)
• M21: 49,744,583 km (0.116 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: 278 - 15,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit