🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.18 AU - 1.44 AU

Year: 679 Days

Day: 38.2 Hours

Environment

Temp: -99 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,821,494 km

• M1: 31,864 km (0.068 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.32 AU - 1.92 AU

Year: 934 Days

Day: 14.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 44.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.1

Radius: 14

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.95 AU - 3.01 AU

Year: 2331 Days

Day: 9.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,821,494 km

• M1: 174,132 km (0.036 R)
• M2: 733,778 km (0.034 R)
• M3: 1,246,599 km (0.065 R)
• M4: 1,721,273 km (0.091 R)
• M5: 2,342,403 km (0.095 R)
• M6: 2,883,349 km (0.081 R)
• M7: 3,475,907 km (0.11 R)
• M8: 6,170,912 km (0.103 R)
• M9: 6,853,826 km (0.075 R)
• M10: 7,345,555 km (0.054 R)
• M11: 7,944,395 km (0.109 R)
• M12: 8,575,698 km (0.077 R)
• M13: 11,053,039 km (0.066 R)
• M14: 11,694,814 km (0.094 R)
• M15: 12,286,174 km (0.073 R)
• M16: 13,014,267 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540

Radius: 10.6

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.04 AU - 4.98 AU

Year: 3638 Days

Day: 13.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,821,494 km

• M1: 132,993 km (0.088 R)
• M2: 583,282 km (0.034 R)
• M3: 1,314,816 km (0.068 R)
• M4: 2,122,046 km (0.075 R)
• M5: 3,267,965 km (0.063 R)
• M6: 3,803,376 km (0.096 R)
• M7: 4,486,141 km (0.069 R)
• M8: 6,610,580 km (0.095 R)
• M9: 8,858,737 km (0.066 R)
• M10: 9,370,511 km (0.112 R)
• M11: 10,214,543 km (0.025 R)
• M12: 12,275,852 km (0.081 R)
• M13: 14,450,406 km (0.089 R)
• M14: 16,322,624 km (0.048 R)
• M15: 17,092,604 km (0.116 R)
• M16: 18,645,729 km (0.059 R)
• M17: 20,228,325 km (0.092 R)
• M18: 21,832,762 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.1

Radius: 9

Gravity: 10.8 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.13 AU - 5.65 AU

Year: 5669 Days

Day: 11.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,821,494 km

• M1: 112,049 km (0.057 R)
• M2: 511,026 km (0.076 R)
• M3: 969,095 km (0.115 R)
• M4: 1,532,481 km (0.114 R)
• M5: 2,014,934 km (0.095 R)
• M6: 2,300,666 km (0.107 R)
• M7: 3,055,387 km (0.045 R)
• M8: 3,659,613 km (0.11 R)
• M9: 4,264,587 km (0.087 R)
• M10: 4,551,216 km (0.116 R)
• M11: 5,192,392 km (0.059 R)
• M12: 6,183,179 km (0.112 R)
• M13: 6,517,381 km (0.06 R)
• M14: 6,863,550 km (0.116 R)
• M15: 7,295,140 km (0.074 R)
• M16: 8,172,980 km (0.076 R)
• M17: 9,334,758 km (0.105 R)
• M18: 10,322,103 km (0.095 R)
• M19: 11,427,183 km (0.097 R)
• M20: 15,154,414 km (0.045 R)
• M21: 18,227,005 km (0.114 R)
• M22: 19,621,706 km (0.091 R)
• M23: 19,908,933 km (0.08 R)
• M24: 20,272,007 km (0.094 R)
• M25: 20,787,671 km (0.075 R)
• M26: 21,236,465 km (0.073 R)
• M27: 23,097,163 km (0.057 R)
• M28: 25,063,926 km (0.065 R)
• M29: 27,051,185 km (0.034 R)
• M30: 31,434,402 km (0.059 R)
• M31: 33,742,548 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.7

Radius: 10.5

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.7 AU - 5.9 AU

Year: 6328 Days

Day: 8 Hours

Environment

Temp: -193 °C

Axial Tilt: 57.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,821,494 km

• M1: 131,796 km (0.107 R)
• M2: 472,729 km (0.044 R)
• M3: 967,449 km (0.043 R)
• M4: 1,622,539 km (0.099 R)
• M5: 2,697,549 km (0.118 R)
• M6: 5,223,808 km (0.101 R)
• M7: 8,898,231 km (0.098 R)
• M8: 9,280,603 km (0.052 R)
• M9: 13,398,733 km (0.107 R)
• M10: 16,228,975 km (0.083 R)
• M11: 17,124,319 km (0.118 R)
• M12: 19,720,440 km (0.059 R)
• M13: 20,665,899 km (0.089 R)
• M14: 22,490,245 km (0.025 R)
• M15: 24,751,566 km (0.085 R)
• M16: 26,456,683 km (0.089 R)
• M17: 28,881,215 km (0.098 R)
• M18: 29,721,357 km (0.054 R)
• M19: 30,194,984 km (0.088 R)
• M20: 32,239,837 km (0.113 R)
• M21: 34,479,168 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.2

Radius: 14.1

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.8 AU - 6.98 AU

Year: 7318 Days

Day: 10.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,821,494 km

• M1: 175,927 km (0.086 R)
• M2: 992,881 km (0.066 R)
• M3: 1,514,678 km (0.105 R)
• M4: 2,251,298 km (0.078 R)
• M5: 2,916,410 km (0.085 R)
• M6: 4,112,894 km (0.092 R)
• M7: 4,746,292 km (0.088 R)
• M8: 5,937,091 km (0.095 R)
• M9: 6,586,944 km (0.107 R)
• M10: 7,993,164 km (0.047 R)
• M11: 10,011,688 km (0.073 R)
• M12: 11,025,363 km (0.102 R)
• M13: 11,487,022 km (0.065 R)
• M14: 13,103,128 km (0.111 R)
• M15: 14,046,043 km (0.108 R)
• M16: 15,373,276 km (0.08 R)
• M17: 17,209,440 km (0.056 R)
• M18: 20,129,291 km (0.106 R)
• M19: 22,470,348 km (0.117 R)
• M20: 23,139,051 km (0.061 R)
• M21: 26,355,405 km (0.116 R)
• M22: 27,942,489 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.3

Radius: 14.5

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.37 AU - 9.87 AU

Year: 11466 Days

Day: 11 Hours

Environment

Temp: -192 °C

Axial Tilt: 111.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,821,494 km

• M1: 180,265 km (0.093 R)
• M2: 856,897 km (0.108 R)
• M3: 1,703,471 km (0.066 R)
• M4: 2,339,711 km (0.114 R)
• M5: 4,471,331 km (0.106 R)
• M6: 4,962,461 km (0.101 R)
• M7: 5,455,685 km (0.068 R)
• M8: 8,118,377 km (0.034 R)
• M9: 9,140,579 km (0.047 R)
• M10: 9,936,590 km (0.107 R)
• M11: 20,211,121 km (0.067 R)
• M12: 23,979,641 km (0.082 R)
• M13: 26,671,505 km (0.11 R)
• M14: 30,529,933 km (0.081 R)
• M15: 43,617,653 km (0.065 R)
• M16: 45,300,629 km (0.117 R)
• M17: 48,349,583 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.6

Radius: 7.6

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.96 AU - 11.76 AU

Year: 15107 Days

Day: 18.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 53,821,494 km

• M1: 94,845 km (0.087 R)
• M2: 1,084,734 km (0.118 R)
• M3: 1,502,561 km (0.112 R)
• M4: 2,287,501 km (0.051 R)
• M5: 2,977,895 km (0.056 R)
• M6: 3,397,517 km (0.075 R)
• M7: 5,735,433 km (0.114 R)
• M8: 6,586,046 km (0.116 R)
• M9: 7,696,661 km (0.107 R)
• M10: 11,712,915 km (0.099 R)
• M11: 13,596,950 km (0.118 R)
• M12: 14,267,598 km (0.117 R)
• M13: 14,541,811 km (0.112 R)
• M14: 16,561,681 km (0.026 R)
• M15: 19,091,082 km (0.042 R)
• M16: 20,102,513 km (0.108 R)
• M17: 20,884,162 km (0.072 R)
• M18: 24,214,510 km (0.104 R)
• M19: 24,605,110 km (0.104 R)
• M20: 24,900,865 km (0.102 R)
• M21: 26,312,171 km (0.031 R)
• M22: 27,037,571 km (0.084 R)
• M23: 27,352,475 km (0.112 R)
• M24: 27,776,136 km (0.06 R)
• M25: 32,849,000 km (0.086 R)
• M26: 35,539,817 km (0.099 R)
• M27: 36,298,427 km (0.108 R)
• M28: 37,847,962 km (0.041 R)
• M29: 40,254,244 km (0.049 R)
• M30: 44,927,233 km (0.031 R)
• M31: 45,221,492 km (0.119 R)
• M32: 46,112,197 km (0.038 R)
• M33: 47,775,277 km (0.066 R)
• M34: 52,840,361 km (0.115 R)
• M35: 55,671,352 km (0.095 R)
• M36: 56,010,939 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.6

Radius: 7.8

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 8.75 AU - 14.01 AU

Year: 17392 Days

Day: 24.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,821,494 km

• M1: 97,388 km (0.102 R)
• M2: 759,209 km (0.09 R)
• M3: 1,434,644 km (0.115 R)
• M4: 2,420,194 km (0.106 R)
• M5: 3,719,003 km (0.089 R)
• M6: 4,673,437 km (0.092 R)
• M7: 6,495,390 km (0.062 R)
• M8: 8,323,925 km (0.069 R)
• M9: 8,938,323 km (0.071 R)
• M10: 10,579,262 km (0.094 R)
• M11: 13,150,401 km (0.059 R)
• M12: 13,659,034 km (0.063 R)
• M13: 15,332,884 km (0.09 R)
• M14: 16,039,285 km (0.058 R)
• M15: 18,524,555 km (0.062 R)
• M16: 28,754,207 km (0.113 R)
• M17: 31,150,316 km (0.094 R)
• M18: 33,794,159 km (0.059 R)
• M19: 35,352,819 km (0.067 R)
• M20: 43,450,253 km (0.096 R)
• M21: 45,148,338 km (0.07 R)
• M22: 47,184,814 km (0.089 R)
• M23: 51,127,915 km (0.096 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 10,707 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit