🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.9

Radius: 8.6

Gravity: 13.28 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.53 AU - 0.57 AU

Year: 272 Days

Day: 14.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,071,451 km

• M1: 107,561 km (0.03 R)
• M2: 424,559 km (0.099 R)
• M3: 701,016 km (0.086 R)
• M4: 1,025,344 km (0.109 R)
• M5: 1,525,749 km (0.101 R)
• M6: 1,854,565 km (0.071 R)
• M7: 2,349,734 km (0.055 R)
• M8: 2,638,458 km (0.065 R)
• M9: 3,244,479 km (0.071 R)
• M10: 3,854,389 km (0.098 R)
• M11: 4,193,228 km (0.117 R)
• M12: 4,497,660 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.7

Radius: 8.5

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.58 AU - 0.6 AU

Year: 302 Days

Day: 7.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,071,451 km

• M1: 105,766 km (0.086 R)
• M2: 446,699 km (0.098 R)
• M3: 820,544 km (0.036 R)
• M4: 1,105,229 km (0.119 R)
• M5: 1,486,853 km (0.063 R)
• M6: 1,841,251 km (0.096 R)
• M7: 2,141,793 km (0.099 R)
• M8: 2,561,564 km (0.093 R)
• M9: 2,899,656 km (0.11 R)
• M10: 3,544,572 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.7

Radius: 12.8

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.63 AU - 0.95 AU

Year: 468 Days

Day: 5.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,071,451 km

• M1: 159,172 km (0.054 R)
• M2: 628,760 km (0.12 R)
• M3: 1,365,529 km (0.103 R)
• M4: 1,866,084 km (0.092 R)
• M5: 2,269,400 km (0.105 R)
• M6: 3,103,109 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.6

Radius: 14.3

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.97 AU - 1.49 AU

Year: 910 Days

Day: 9.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,071,451 km

• M1: 178,171 km (0.109 R)
• M2: 647,759 km (0.11 R)
• M3: 1,241,812 km (0.096 R)
• M4: 1,756,129 km (0.103 R)
• M5: 3,001,083 km (0.051 R)
• M6: 3,695,965 km (0.058 R)
• M7: 4,174,529 km (0.118 R)
• M8: 4,930,596 km (0.072 R)
• M9: 5,375,949 km (0.067 R)
• M10: 6,579,614 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.1

Radius: 13.6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.27 AU - 1.31 AU

Year: 977 Days

Day: 6.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,071,451 km

• M1: 173,833 km (0.06 R)
• M2: 661,821 km (0.115 R)
• M3: 1,148,463 km (0.079 R)
• M4: 1,649,466 km (0.118 R)
• M5: 2,360,654 km (0.115 R)
• M6: 3,137,666 km (0.079 R)
• M7: 4,269,822 km (0.112 R)
• M8: 5,756,676 km (0.106 R)
• M9: 6,673,561 km (0.104 R)
• M10: 8,458,264 km (0.048 R)
• M11: 8,983,801 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.4

Radius: 9

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.12 AU - 2.74 AU

Year: 2526 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,071,451 km

• M1: 112,049 km (0.104 R)
• M2: 558,000 km (0.102 R)
• M3: 927,806 km (0.113 R)
• M4: 1,274,723 km (0.097 R)
• M5: 1,819,708 km (0.118 R)
• M6: 2,108,582 km (0.087 R)
• M7: 2,629,482 km (0.088 R)
• M8: 3,001,083 km (0.094 R)
• M9: 3,551,154 km (0.048 R)
• M10: 3,889,096 km (0.083 R)
• M11: 4,207,590 km (0.086 R)
• M12: 5,245,649 km (0.112 R)
• M13: 6,528,002 km (0.051 R)
• M14: 7,819,481 km (0.097 R)
• M15: 10,783,314 km (0.063 R)
• M16: 11,294,490 km (0.092 R)
• M17: 12,493,217 km (0.061 R)
• M18: 14,236,033 km (0.047 R)
• M19: 15,190,168 km (0.111 R)
• M20: 15,732,759 km (0.089 R)
• M21: 16,084,613 km (0.115 R)
• M22: 16,596,537 km (0.056 R)
• M23: 18,641,540 km (0.107 R)

Asteroid Belt

Center: 6.44 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.5

Radius: 4.4

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 8.77 AU - 12.11 AU

Year: 22495 Days

Day: 19.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,071,451 km

• M1: 56,249 km (0.098 R)
• M2: 292,613 km (0.117 R)
• M3: 510,877 km (0.062 R)
• M4: 653,593 km (0.111 R)
• M5: 833,111 km (0.098 R)
• M6: 1,563,597 km (0.091 R)
• M7: 4,339,535 km (0.034 R)
• M8: 4,780,400 km (0.114 R)
• M9: 12,618,281 km (0.098 R)
• M10: 15,497,143 km (0.077 R)
• M11: 18,220,871 km (0.079 R)
• M12: 19,948,577 km (0.082 R)
• M13: 23,725,773 km (0.086 R)
• M14: 25,481,005 km (0.079 R)
• M15: 31,954,255 km (0.09 R)
• M16: 33,368,254 km (0.037 R)
• M17: 44,163,984 km (0.103 R)
• M18: 44,308,346 km (0.106 R)
• M19: 47,866,831 km (0.043 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 16,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit