🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.9

Radius: 8.3

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.39 AU - 1.41 AU

Year: 1143 Days

Day: 8.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,385,714 km

• M1: 103,223 km (0.064 R)
• M2: 385,813 km (0.03 R)
• M3: 747,092 km (0.099 R)
• M4: 1,040,453 km (0.118 R)
• M5: 1,694,345 km (0.103 R)
• M6: 2,448,468 km (0.09 R)
• M7: 2,806,755 km (0.091 R)
• M8: 3,069,599 km (0.108 R)
• M9: 3,333,789 km (0.11 R)
• M10: 3,597,230 km (0.092 R)
• M11: 4,201,755 km (0.096 R)
• M12: 4,565,877 km (0.053 R)
• M13: 4,990,585 km (0.091 R)
• M14: 5,253,728 km (0.086 R)
• M15: 6,834,678 km (0.111 R)
• M16: 8,479,955 km (0.096 R)
• M17: 9,455,782 km (0.105 R)
• M18: 10,050,583 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.9

Radius: 12

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.51 AU - 1.83 AU

Year: 1490 Days

Day: 10 Hours

Environment

Temp: -203 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,385,714 km

• M1: 149,299 km (0.111 R)
• M2: 682,465 km (0.093 R)
• M3: 1,073,066 km (0.11 R)
• M4: 1,958,236 km (0.114 R)
• M5: 2,944,385 km (0.068 R)
• M6: 3,334,537 km (0.093 R)
• M7: 4,156,726 km (0.073 R)
• M8: 4,719,065 km (0.097 R)
• M9: 7,327,902 km (0.113 R)
• M10: 8,175,823 km (0.061 R)
• M11: 8,980,510 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.1

Radius: 9.5

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.12 AU - 3.3 AU

Year: 3079 Days

Day: 6.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,385,714 km

• M1: 118,182 km (0.049 R)
• M2: 653,593 km (0.112 R)
• M3: 1,072,168 km (0.09 R)
• M4: 1,393,803 km (0.101 R)
• M5: 1,827,936 km (0.113 R)
• M6: 2,437,398 km (0.118 R)
• M7: 2,887,688 km (0.071 R)
• M8: 3,504,330 km (0.099 R)
• M9: 4,648,006 km (0.082 R)
• M10: 7,880,068 km (0.091 R)
• M11: 9,081,937 km (0.059 R)
• M12: 9,897,395 km (0.042 R)
• M13: 12,018,394 km (0.073 R)
• M14: 12,369,650 km (0.052 R)
• M15: 15,176,106 km (0.114 R)
• M16: 17,027,678 km (0.102 R)
• M17: 18,789,343 km (0.089 R)
• M18: 19,683,938 km (0.111 R)
• M19: 20,544,276 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995

Radius: 10.5

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3 AU - 3.1 AU

Year: 3677 Days

Day: 5.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,385,714 km

• M1: 130,599 km (0.069 R)
• M2: 472,430 km (0.096 R)
• M3: 806,931 km (0.073 R)
• M4: 1,249,591 km (0.114 R)
• M5: 2,141,344 km (0.105 R)
• M6: 2,590,586 km (0.106 R)
• M7: 3,121,210 km (0.074 R)
• M8: 3,680,706 km (0.114 R)
• M9: 4,472,827 km (0.117 R)
• M10: 5,485,156 km (0.082 R)
• M11: 5,971,648 km (0.094 R)
• M12: 6,771,398 km (0.051 R)
• M13: 7,606,154 km (0.095 R)
• M14: 9,764,702 km (0.112 R)
• M15: 13,239,262 km (0.088 R)
• M16: 13,647,215 km (0.114 R)
• M17: 15,475,900 km (0.102 R)
• M18: 17,645,368 km (0.107 R)
• M19: 18,139,939 km (0.027 R)
• M20: 20,144,101 km (0.119 R)
• M21: 25,438,669 km (0.03 R)
• M22: 26,469,997 km (0.096 R)
• M23: 27,118,204 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.4

Radius: 10.7

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.77 AU - 3.79 AU

Year: 5073 Days

Day: 6.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,385,714 km

• M1: 134,788 km (0.117 R)
• M2: 875,447 km (0.082 R)
• M3: 1,520,363 km (0.113 R)
• M4: 1,949,859 km (0.037 R)
• M5: 2,373,669 km (0.077 R)
• M6: 2,874,972 km (0.096 R)
• M7: 3,749,222 km (0.107 R)
• M8: 5,050,873 km (0.097 R)
• M9: 5,393,901 km (0.119 R)
• M10: 6,574,826 km (0.039 R)
• M11: 6,984,725 km (0.106 R)
• M12: 7,823,370 km (0.076 R)
• M13: 8,624,168 km (0.097 R)
• M14: 10,232,943 km (0.107 R)
• M15: 11,314,087 km (0.091 R)
• M16: 14,131,314 km (0.036 R)
• M17: 14,915,057 km (0.067 R)
• M18: 19,216,445 km (0.117 R)
• M19: 19,693,512 km (0.069 R)
• M20: 21,109,157 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.3

Radius: 3.2

Gravity: 97.39 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.62 AU - 8.58 AU

Year: 14462 Days

Day: 21 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,385,714 km

• M1: 39,793 km (0.072 R)
• M2: 145,409 km (0.113 R)
• M3: 570,716 km (0.076 R)
• M4: 1,023,848 km (0.058 R)
• M5: 1,468,154 km (0.093 R)
• M6: 1,596,957 km (0.095 R)
• M7: 1,698,534 km (0.085 R)
• M8: 2,009,847 km (0.108 R)
• M9: 2,128,479 km (0.039 R)
• M10: 2,650,276 km (0.109 R)
• M11: 2,940,945 km (0.108 R)
• M12: 3,094,133 km (0.118 R)
• M13: 5,184,165 km (0.102 R)
• M14: 6,199,934 km (0.076 R)
• M15: 9,142,674 km (0.068 R)
• M16: 11,846,057 km (0.069 R)
• M17: 12,233,815 km (0.108 R)
• M18: 13,378,388 km (0.079 R)
• M19: 19,020,771 km (0.08 R)
• M20: 21,394,590 km (0.083 R)
• M21: 22,949,510 km (0.102 R)
• M22: 24,578,033 km (0.09 R)
• M23: 25,314,054 km (0.051 R)
• M24: 34,274,368 km (0.049 R)
• M25: 35,192,600 km (0.068 R)
• M26: 35,992,500 km (0.085 R)
• M27: 38,746,297 km (0.051 R)
• M28: 39,029,187 km (0.111 R)
• M29: 48,169,617 km (0.108 R)
• M30: 48,660,747 km (0.078 R)
• M31: 49,486,676 km (0.077 R)
• M32: 63,412,144 km (0.084 R)
• M33: 64,001,859 km (0.074 R)
• M34: 65,192,508 km (0.105 R)
• M35: 67,413,438 km (0.115 R)
• M36: 67,617,789 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.1

Radius: 4.3

Gravity: 18.61 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.52 AU - 10.94 AU

Year: 20950 Days

Day: 22.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,385,714 km

• M1: 59,989 km (0.06 R)
• M2: 370,704 km (0.062 R)
• M3: 567,275 km (0.094 R)
• M4: 904,469 km (0.093 R)
• M5: 3,059,725 km (0.096 R)
• M6: 4,042,733 km (0.097 R)
• M7: 5,113,704 km (0.08 R)
• M8: 7,208,673 km (0.059 R)
• M9: 11,176,906 km (0.112 R)
• M10: 12,278,245 km (0.111 R)
• M11: 13,856,652 km (0.081 R)
• M12: 13,993,983 km (0.097 R)
• M13: 14,623,341 km (0.109 R)
• M14: 21,069,065 km (0.103 R)
• M15: 22,457,333 km (0.082 R)
• M16: 22,646,874 km (0.093 R)
• M17: 26,879,297 km (0.054 R)
• M18: 28,510,213 km (0.039 R)
• M19: 38,063,682 km (0.094 R)
• M20: 52,322,902 km (0.085 R)
• M21: 60,717,886 km (0.096 R)
• M22: 62,385,753 km (0.061 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: 474 - 14,133 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit