🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.6

Radius: 14.8

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.69 AU - 1.07 AU

Year: 533 Days

Day: 14.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,890,024 km

• M1: 185,501 km (0.059 R)
• M2: 650,751 km (0.106 R)
• M3: 1,296,116 km (0.07 R)
• M4: 1,966,614 km (0.069 R)
• M5: 2,506,512 km (0.119 R)
• M6: 2,986,721 km (0.063 R)
• M7: 3,575,988 km (0.081 R)
• M8: 4,713,081 km (0.119 R)
• M9: 5,405,569 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.8

Radius: 13.8

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.9 AU - 2.46 AU

Year: 2078 Days

Day: 14.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,890,024 km

• M1: 183,706 km (0.064 R)
• M2: 632,799 km (0.106 R)
• M3: 1,142,629 km (0.106 R)
• M4: 2,310,988 km (0.061 R)
• M5: 3,297,436 km (0.046 R)
• M6: 3,949,833 km (0.081 R)
• M7: 4,849,365 km (0.099 R)
• M8: 5,881,440 km (0.057 R)
• M9: 7,543,921 km (0.119 R)
• M10: 8,055,546 km (0.118 R)
• M11: 8,590,209 km (0.08 R)
• M12: 9,085,228 km (0.079 R)
• M13: 9,897,096 km (0.074 R)
• M14: 10,338,110 km (0.091 R)
• M15: 11,815,689 km (0.117 R)
• M16: 13,023,392 km (0.104 R)
• M17: 14,013,730 km (0.118 R)
• M18: 14,701,432 km (0.072 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.3

Radius: 5.7

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.3 AU - 6.88 AU

Year: 9704 Days

Day: 15.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,890,024 km

• M1: 73,752 km (0.086 R)
• M2: 520,601 km (0.05 R)
• M3: 795,561 km (0.092 R)
• M4: 1,102,686 km (0.096 R)
• M5: 1,614,909 km (0.106 R)
• M6: 1,793,379 km (0.045 R)
• M7: 2,000,423 km (0.093 R)
• M8: 2,207,017 km (0.114 R)
• M9: 2,445,476 km (0.091 R)
• M10: 2,894,270 km (0.067 R)
• M11: 3,396,320 km (0.086 R)
• M12: 3,833,595 km (0.119 R)
• M13: 4,307,521 km (0.094 R)
• M14: 4,875,993 km (0.042 R)
• M15: 8,406,652 km (0.11 R)
• M16: 10,613,371 km (0.096 R)
• M17: 12,055,793 km (0.118 R)
• M18: 13,568,078 km (0.073 R)
• M19: 15,081,560 km (0.038 R)
• M20: 16,066,811 km (0.093 R)
• M21: 18,096,854 km (0.116 R)
• M22: 18,926,524 km (0.1 R)
• M23: 21,186,948 km (0.105 R)
• M24: 21,567,675 km (0.117 R)
• M25: 23,784,416 km (0.088 R)
• M26: 24,278,388 km (0.045 R)
• M27: 25,543,388 km (0.095 R)
• M28: 26,763,059 km (0.045 R)
• M29: 29,223,944 km (0.059 R)
• M30: 29,506,385 km (0.107 R)
• M31: 30,460,969 km (0.037 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.3

Radius: 5.5

Gravity: 26.03 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.98 AU - 9.08 AU

Year: 13342 Days

Day: 17.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,890,024 km

• M1: 70,461 km (0.083 R)
• M2: 308,172 km (0.113 R)
• M3: 655,687 km (0.085 R)
• M4: 1,076,207 km (0.103 R)
• M5: 1,305,092 km (0.105 R)
• M6: 1,861,596 km (0.034 R)
• M7: 2,457,295 km (0.102 R)
• M8: 2,719,240 km (0.089 R)
• M9: 2,975,651 km (0.082 R)
• M10: 3,273,650 km (0.091 R)
• M11: 3,536,942 km (0.11 R)
• M12: 3,842,870 km (0.099 R)
• M13: 5,533,476 km (0.093 R)
• M14: 6,623,595 km (0.106 R)
• M15: 6,832,434 km (0.113 R)
• M16: 14,137,747 km (0.038 R)
• M17: 15,339,018 km (0.034 R)
• M18: 15,631,182 km (0.099 R)
• M19: 23,907,984 km (0.06 R)
• M20: 26,330,721 km (0.029 R)
• M21: 29,922,117 km (0.104 R)
• M22: 30,149,656 km (0.093 R)
• M23: 35,326,939 km (0.106 R)
• M24: 36,222,282 km (0.103 R)
• M25: 38,057,998 km (0.119 R)
• M26: 42,341,882 km (0.115 R)
• M27: 48,643,094 km (0.039 R)
• M28: 51,361,886 km (0.056 R)
• M29: 57,450,070 km (0.074 R)
• M30: 59,761,806 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.1

Radius: 6.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 9.93 AU - 10.71 AU

Year: 21406 Days

Day: 15.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,890,024 km

• M1: 97,388 km (0.09 R)
• M2: 335,847 km (0.114 R)
• M3: 906,114 km (0.107 R)
• M4: 2,563,210 km (0.068 R)
• M5: 3,163,845 km (0.115 R)
• M6: 4,786,833 km (0.091 R)
• M7: 6,600,557 km (0.058 R)
• M8: 8,051,657 km (0.064 R)
• M9: 10,786,006 km (0.049 R)
• M10: 12,557,844 km (0.084 R)
• M11: 14,639,648 km (0.034 R)
• M12: 17,782,848 km (0.118 R)
• M13: 18,069,478 km (0.108 R)
• M14: 23,170,616 km (0.105 R)
• M15: 24,032,150 km (0.064 R)
• M16: 28,174,216 km (0.107 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 14,908 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit