🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.42 AU - 0.62 AU

Year: 238 Days

Day: 43.5 Hours

Environment

Temp: -109 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.6

Radius: 11

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.61 AU - 0.91 AU

Year: 421 Days

Day: 7.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,655,938 km

• M1: 136,882 km (0.075 R)
• M2: 482,752 km (0.106 R)
• M3: 832,662 km (0.091 R)
• M4: 1,195,586 km (0.051 R)
• M5: 1,718,281 km (0.108 R)
• M6: 2,076,568 km (0.092 R)
• M7: 2,494,844 km (0.063 R)
• M8: 2,958,298 km (0.113 R)
• M9: 3,780,937 km (0.073 R)
• M10: 4,324,126 km (0.047 R)
• M11: 4,780,250 km (0.088 R)
• M12: 5,187,456 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.2

Radius: 12.7

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.89 AU - 0.89 AU

Year: 534 Days

Day: 12.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,655,938 km

• M1: 157,975 km (0.086 R)
• M2: 661,971 km (0.074 R)
• M3: 1,124,527 km (0.107 R)
• M4: 1,815,071 km (0.043 R)
• M5: 2,229,008 km (0.098 R)
• M6: 2,658,653 km (0.039 R)
• M7: 3,069,599 km (0.087 R)
• M8: 3,605,309 km (0.093 R)
• M9: 4,085,967 km (0.073 R)
• M10: 4,609,260 km (0.12 R)
• M11: 5,042,196 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.9

Radius: 9.9

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.87 AU - 0.95 AU

Year: 552 Days

Day: 13 Hours

Environment

Temp: -146 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,655,938 km

• M1: 123,568 km (0.116 R)
• M2: 441,314 km (0.069 R)
• M3: 1,112,559 km (0.09 R)
• M4: 1,568,384 km (0.106 R)
• M5: 1,998,628 km (0.109 R)
• M6: 2,814,983 km (0.056 R)
• M7: 3,123,903 km (0.118 R)
• M8: 3,616,678 km (0.055 R)
• M9: 5,043,543 km (0.096 R)
• M10: 5,742,165 km (0.108 R)
• M11: 6,463,226 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.7

Radius: 9

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.07 AU - 1.23 AU

Year: 784 Days

Day: 8.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,655,938 km

• M1: 112,198 km (0.061 R)
• M2: 426,504 km (0.109 R)
• M3: 813,364 km (0.101 R)
• M4: 1,163,722 km (0.117 R)
• M5: 1,447,210 km (0.099 R)
• M6: 3,165,042 km (0.106 R)
• M7: 3,581,373 km (0.106 R)
• M8: 4,490,629 km (0.114 R)
• M9: 5,090,965 km (0.104 R)
• M10: 5,391,507 km (0.061 R)
• M11: 6,237,334 km (0.097 R)
• M12: 6,692,261 km (0.109 R)
• M13: 7,030,651 km (0.054 R)
• M14: 9,251,581 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.2

Radius: 8.1

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.51 AU - 2.09 AU

Year: 1535 Days

Day: 13.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,655,938 km

• M1: 100,679 km (0.076 R)
• M2: 465,997 km (0.068 R)
• M3: 860,337 km (0.062 R)
• M4: 1,158,785 km (0.075 R)
• M5: 1,852,470 km (0.094 R)
• M6: 2,105,740 km (0.089 R)
• M7: 2,393,865 km (0.096 R)
• M8: 2,746,467 km (0.083 R)
• M9: 3,050,450 km (0.083 R)
• M10: 3,480,694 km (0.108 R)
• M11: 4,218,810 km (0.089 R)
• M12: 5,213,486 km (0.058 R)
• M13: 6,045,699 km (0.06 R)
• M14: 6,425,079 km (0.106 R)
• M15: 7,659,112 km (0.037 R)
• M16: 8,400,369 km (0.115 R)
• M17: 10,685,028 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137

Radius: 8

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.79 AU - 2.25 AU

Year: 1825 Days

Day: 8.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,655,938 km

• M1: 99,632 km (0.096 R)
• M2: 391,797 km (0.102 R)
• M3: 765,193 km (0.079 R)
• M4: 1,117,197 km (0.075 R)
• M5: 1,624,483 km (0.11 R)
• M6: 1,894,657 km (0.105 R)
• M7: 2,362,150 km (0.088 R)
• M8: 2,746,617 km (0.076 R)
• M9: 3,068,402 km (0.038 R)
• M10: 3,360,267 km (0.102 R)
• M11: 4,000,097 km (0.107 R)
• M12: 4,252,020 km (0.113 R)
• M13: 5,018,111 km (0.07 R)
• M14: 5,405,719 km (0.118 R)
• M15: 6,494,941 km (0.098 R)
• M16: 6,955,703 km (0.077 R)
• M17: 7,228,719 km (0.113 R)
• M18: 7,869,297 km (0.068 R)
• M19: 8,495,663 km (0.069 R)
• M20: 8,834,203 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.5

Radius: 14.4

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.94 AU - 3.08 AU

Year: 2528 Days

Day: 10.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,655,938 km

• M1: 179,817 km (0.085 R)
• M2: 1,152,352 km (0.038 R)
• M3: 1,659,190 km (0.118 R)
• M4: 2,449,815 km (0.1 R)
• M5: 2,971,911 km (0.109 R)
• M6: 4,467,890 km (0.111 R)
• M7: 4,938,375 km (0.066 R)
• M8: 7,454,163 km (0.11 R)
• M9: 8,923,962 km (0.08 R)
• M10: 11,148,632 km (0.084 R)
• M11: 12,142,859 km (0.049 R)
• M12: 16,018,790 km (0.085 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.3

Radius: 15

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.96 AU - 3.2 AU

Year: 3437 Days

Day: 6.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,655,938 km

• M1: 189,840 km (0.116 R)
• M2: 1,020,557 km (0.046 R)
• M3: 2,369,032 km (0.095 R)
• M4: 3,657,967 km (0.116 R)
• M5: 4,539,398 km (0.1 R)
• M6: 8,110,449 km (0.059 R)
• M7: 8,791,119 km (0.043 R)
• M8: 9,644,425 km (0.097 R)
• M9: 10,990,208 km (0.102 R)
• M10: 12,498,304 km (0.113 R)
• M11: 14,494,687 km (0.117 R)

Planet 10 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.4

Radius: 14.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.12 AU - 4.4 AU

Year: 5590 Days

Day: 9.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,655,938 km

• M1: 176,675 km (0.034 R)
• M2: 981,512 km (0.04 R)
• M3: 1,793,529 km (0.088 R)
• M4: 3,546,816 km (0.098 R)
• M5: 4,404,012 km (0.119 R)
• M6: 5,010,332 km (0.084 R)
• M7: 7,231,112 km (0.091 R)
• M8: 7,884,406 km (0.112 R)
• M9: 10,583,601 km (0.09 R)
• M10: 14,132,660 km (0.11 R)
• M11: 18,013,828 km (0.119 R)
• M12: 18,580,056 km (0.096 R)
• M13: 20,472,169 km (0.118 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 12,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit