🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.1

Radius: 9.1

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.54 AU - 0.64 AU

Year: 313 Days

Day: 7.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,577,942 km

• M1: 113,994 km (0.063 R)
• M2: 446,699 km (0.028 R)
• M3: 862,133 km (0.054 R)
• M4: 1,246,300 km (0.099 R)
• M5: 1,711,400 km (0.051 R)
• M6: 2,204,624 km (0.071 R)
• M7: 2,589,838 km (0.117 R)
• M8: 3,048,057 km (0.105 R)
• M9: 3,403,501 km (0.104 R)
• M10: 3,720,649 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.6

Radius: 13.1

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.61 AU - 0.89 AU

Year: 448 Days

Day: 6.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,577,942 km

• M1: 163,062 km (0.119 R)
• M2: 623,524 km (0.044 R)
• M3: 1,103,284 km (0.062 R)
• M4: 1,754,035 km (0.076 R)
• M5: 2,281,517 km (0.111 R)
• M6: 3,042,372 km (0.094 R)
• M7: 3,516,148 km (0.087 R)
• M8: 3,930,534 km (0.087 R)
• M9: 4,403,413 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.4

Radius: 10.1

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.23 AU - 1.33 AU

Year: 1000 Days

Day: 10.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,577,942 km

• M1: 128,953 km (0.092 R)
• M2: 584,329 km (0.102 R)
• M3: 898,934 km (0.097 R)
• M4: 1,371,214 km (0.112 R)
• M5: 2,268,353 km (0.083 R)
• M6: 3,352,638 km (0.086 R)
• M7: 3,947,140 km (0.073 R)
• M8: 4,533,414 km (0.035 R)
• M9: 4,896,189 km (0.077 R)
• M10: 5,210,344 km (0.072 R)
• M11: 6,805,955 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.8

Radius: 12.8

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.13 AU - 1.59 AU

Year: 1095 Days

Day: 13 Hours

Environment

Temp: -194 °C

Axial Tilt: 89 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,577,942 km

• M1: 159,172 km (0.072 R)
• M2: 606,320 km (0.038 R)
• M3: 1,172,698 km (0.045 R)
• M4: 1,693,149 km (0.066 R)
• M5: 2,430,367 km (0.12 R)
• M6: 3,123,005 km (0.118 R)
• M7: 3,765,827 km (0.097 R)
• M8: 4,645,612 km (0.083 R)
• M9: 5,448,205 km (0.092 R)
• M10: 6,425,079 km (0.085 R)
• M11: 7,124,000 km (0.114 R)
• M12: 7,776,546 km (0.12 R)
• M13: 8,622,223 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.4

Radius: 14.7

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.38 AU - 1.86 AU

Year: 1423 Days

Day: 11.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,577,942 km

• M1: 183,108 km (0.114 R)
• M2: 672,592 km (0.118 R)
• M3: 1,487,302 km (0.105 R)
• M4: 2,015,083 km (0.059 R)
• M5: 2,897,561 km (0.118 R)
• M6: 3,475,757 km (0.078 R)
• M7: 4,085,518 km (0.109 R)
• M8: 4,683,461 km (0.089 R)
• M9: 5,559,057 km (0.1 R)
• M10: 7,052,792 km (0.028 R)
• M11: 7,567,857 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.4

Radius: 14.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.47 AU - 2.45 AU

Year: 1894 Days

Day: 11.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,577,942 km

• M1: 179,218 km (0.061 R)
• M2: 649,404 km (0.031 R)
• M3: 1,425,817 km (0.079 R)
• M4: 2,348,986 km (0.105 R)
• M5: 3,189,576 km (0.098 R)
• M6: 3,782,133 km (0.119 R)
• M7: 5,675,594 km (0.115 R)
• M8: 6,620,304 km (0.107 R)
• M9: 7,265,520 km (0.111 R)
• M10: 7,900,114 km (0.078 R)
• M11: 8,682,511 km (0.055 R)
• M12: 9,967,706 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.8

Radius: 8.6

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.83 AU - 2.51 AU

Year: 2206 Days

Day: 9.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,577,942 km

• M1: 106,962 km (0.073 R)
• M2: 379,979 km (0.086 R)
• M3: 771,177 km (0.111 R)
• M4: 1,042,847 km (0.072 R)
• M5: 1,353,412 km (0.055 R)
• M6: 1,684,921 km (0.099 R)
• M7: 2,082,253 km (0.048 R)
• M8: 2,407,479 km (0.07 R)
• M9: 2,781,024 km (0.086 R)
• M10: 3,051,198 km (0.112 R)
• M11: 3,372,086 km (0.118 R)
• M12: 3,644,952 km (0.065 R)
• M13: 3,969,729 km (0.089 R)
• M14: 4,698,420 km (0.109 R)
• M15: 5,194,636 km (0.037 R)
• M16: 5,942,626 km (0.082 R)
• M17: 6,317,069 km (0.091 R)
• M18: 6,840,811 km (0.081 R)
• M19: 8,776,907 km (0.062 R)
• M20: 9,296,311 km (0.12 R)
• M21: 9,870,468 km (0.051 R)
• M22: 10,325,245 km (0.087 R)
• M23: 12,246,082 km (0.071 R)
• M24: 15,300,421 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.2

Radius: 13.3

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.36 AU - 5.2 AU

Year: 6112 Days

Day: 9.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,577,942 km

• M1: 165,455 km (0.106 R)
• M2: 1,007,542 km (0.08 R)
• M3: 2,462,381 km (0.083 R)
• M4: 2,919,253 km (0.066 R)
• M5: 4,356,290 km (0.039 R)
• M6: 5,650,910 km (0.107 R)
• M7: 7,821,425 km (0.095 R)
• M8: 8,290,864 km (0.067 R)
• M9: 8,737,563 km (0.111 R)
• M10: 12,541,687 km (0.083 R)
• M11: 13,852,912 km (0.026 R)
• M12: 14,658,946 km (0.04 R)
• M13: 15,073,631 km (0.12 R)
• M14: 19,378,459 km (0.1 R)
• M15: 23,703,783 km (0.116 R)
• M16: 25,278,001 km (0.112 R)
• M17: 26,220,767 km (0.108 R)
• M18: 27,543,810 km (0.116 R)
• M19: 32,777,641 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.3

Radius: 5.5

Gravity: 17.37 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.49 AU - 7.67 AU

Year: 11651 Days

Day: 22 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,577,942 km

• M1: 68,516 km (0.107 R)
• M2: 249,080 km (0.09 R)
• M3: 613,650 km (0.102 R)
• M4: 930,948 km (0.072 R)
• M5: 1,121,984 km (0.061 R)
• M6: 1,444,816 km (0.096 R)
• M7: 2,525,511 km (0.106 R)
• M8: 3,898,371 km (0.116 R)
• M9: 5,466,755 km (0.085 R)
• M10: 11,573,789 km (0.048 R)
• M11: 15,321,365 km (0.112 R)
• M12: 18,707,663 km (0.111 R)
• M13: 19,646,090 km (0.05 R)
• M14: 21,956,779 km (0.034 R)
• M15: 26,717,282 km (0.118 R)
• M16: 27,406,480 km (0.117 R)
• M17: 28,411,478 km (0.046 R)
• M18: 35,549,840 km (0.053 R)
• M19: 38,836,206 km (0.087 R)
• M20: 41,659,267 km (0.037 R)
• M21: 46,852,408 km (0.077 R)
• M22: 47,998,178 km (0.114 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 11,479 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit