🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.46 AU - 0.72 AU

Year: 297 Days

Day: 16.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 49.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,326,576 km

• M1: 73,303 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.47 AU - 0.75 AU

Year: 313 Days

Day: 31.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 45.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.2

Radius: 10.7

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.43 AU - 1.75 AU

Year: 1315 Days

Day: 12.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,326,576 km

• M1: 134,189 km (0.099 R)
• M2: 528,978 km (0.03 R)
• M3: 922,869 km (0.097 R)
• M4: 1,286,242 km (0.028 R)
• M5: 1,727,706 km (0.036 R)
• M6: 2,412,714 km (0.096 R)
• M7: 3,092,786 km (0.11 R)
• M8: 3,646,448 km (0.105 R)
• M9: 4,175,127 km (0.085 R)
• M10: 4,618,984 km (0.101 R)
• M11: 5,365,328 km (0.086 R)
• M12: 5,778,816 km (0.075 R)
• M13: 6,166,723 km (0.079 R)
• M14: 6,571,984 km (0.116 R)
• M15: 6,969,615 km (0.084 R)
• M16: 7,383,253 km (0.11 R)
• M17: 8,403,212 km (0.094 R)
• M18: 10,653,463 km (0.081 R)
• M19: 11,990,419 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.9

Radius: 11.2

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.61 AU - 2.03 AU

Year: 1611 Days

Day: 11.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,326,576 km

• M1: 146,008 km (0.073 R)
• M2: 538,104 km (0.08 R)
• M3: 887,115 km (0.06 R)
• M4: 1,271,133 km (0.046 R)
• M5: 1,688,810 km (0.094 R)
• M6: 2,224,072 km (0.105 R)
• M7: 2,628,883 km (0.068 R)
• M8: 3,018,137 km (0.108 R)
• M9: 3,875,632 km (0.087 R)
• M10: 4,537,603 km (0.071 R)
• M11: 5,194,786 km (0.077 R)
• M12: 5,595,858 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.3

Radius: 10.6

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.81 AU - 2.03 AU

Year: 1745 Days

Day: 7.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,326,576 km

• M1: 134,040 km (0.118 R)
• M2: 529,726 km (0.065 R)
• M3: 887,265 km (0.108 R)
• M4: 1,352,365 km (0.116 R)
• M5: 2,066,545 km (0.108 R)
• M6: 3,095,778 km (0.074 R)
• M7: 3,486,678 km (0.114 R)
• M8: 4,005,932 km (0.115 R)
• M9: 5,512,233 km (0.12 R)
• M10: 7,438,904 km (0.072 R)
• M11: 8,067,065 km (0.095 R)
• M12: 9,777,866 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.3

Radius: 13.6

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.21 AU - 3.71 AU

Year: 4222 Days

Day: 6.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,326,576 km

• M1: 169,195 km (0.11 R)
• M2: 1,921,734 km (0.114 R)
• M3: 2,513,992 km (0.084 R)
• M4: 3,563,122 km (0.095 R)
• M5: 4,420,318 km (0.099 R)
• M6: 5,673,649 km (0.095 R)
• M7: 7,599,572 km (0.074 R)
• M8: 10,774,787 km (0.107 R)
• M9: 11,667,587 km (0.084 R)
• M10: 13,795,317 km (0.091 R)
• M11: 15,315,531 km (0.058 R)
• M12: 17,685,610 km (0.08 R)
• M13: 23,281,318 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.5

Radius: 11.9

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.11 AU - 3.83 AU

Year: 4240 Days

Day: 12 Hours

Environment

Temp: -203 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 29,326,576 km

• M1: 147,952 km (0.109 R)
• M2: 962,662 km (0.07 R)
• M3: 1,714,242 km (0.079 R)
• M4: 2,861,508 km (0.106 R)
• M5: 3,538,738 km (0.034 R)
• M6: 4,688,846 km (0.086 R)
• M7: 5,689,656 km (0.1 R)
• M8: 6,893,171 km (0.096 R)
• M9: 7,929,286 km (0.105 R)
• M10: 8,334,247 km (0.105 R)
• M11: 9,387,117 km (0.104 R)
• M12: 12,777,304 km (0.025 R)
• M13: 14,283,006 km (0.115 R)
• M14: 15,331,687 km (0.117 R)
• M15: 16,430,933 km (0.064 R)
• M16: 17,582,088 km (0.096 R)
• M17: 18,209,053 km (0.1 R)
• M18: 19,708,023 km (0.06 R)
• M19: 22,362,339 km (0.108 R)
• M20: 23,699,295 km (0.092 R)
• M21: 24,233,359 km (0.099 R)
• M22: 24,775,502 km (0.08 R)
• M23: 25,484,296 km (0.102 R)
• M24: 26,942,577 km (0.12 R)
• M25: 27,524,512 km (0.074 R)
• M26: 29,059,237 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.4

Radius: 12.2

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.82 AU - 4.96 AU

Year: 6034 Days

Day: 11.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,326,576 km

• M1: 151,692 km (0.081 R)
• M2: 674,836 km (0.117 R)
• M3: 1,334,413 km (0.105 R)
• M4: 1,743,862 km (0.099 R)
• M5: 2,396,408 km (0.098 R)
• M6: 2,807,653 km (0.04 R)
• M7: 4,049,166 km (0.033 R)
• M8: 4,953,036 km (0.093 R)
• M9: 5,686,065 km (0.111 R)
• M10: 7,404,197 km (0.093 R)
• M11: 8,479,357 km (0.12 R)
• M12: 10,349,779 km (0.069 R)
• M13: 11,170,174 km (0.104 R)
• M14: 11,692,570 km (0.083 R)
• M15: 13,358,043 km (0.032 R)
• M16: 15,176,554 km (0.047 R)
• M17: 16,782,936 km (0.084 R)
• M18: 17,532,272 km (0.082 R)
• M19: 18,500,021 km (0.094 R)
• M20: 18,963,624 km (0.08 R)
• M21: 20,331,248 km (0.063 R)
• M22: 21,254,865 km (0.111 R)
• M23: 26,464,013 km (0.109 R)
• M24: 26,883,785 km (0.086 R)
• M25: 29,587,168 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.1

Radius: 5.1

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.04 AU - 6.58 AU

Year: 10398 Days

Day: 20 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,326,576 km

• M1: 63,429 km (0.068 R)
• M2: 379,231 km (0.046 R)
• M3: 601,832 km (0.114 R)
• M4: 1,451,548 km (0.084 R)
• M5: 2,036,326 km (0.092 R)
• M6: 2,246,960 km (0.11 R)
• M7: 4,107,210 km (0.11 R)
• M8: 4,519,352 km (0.11 R)
• M9: 5,313,417 km (0.111 R)
• M10: 5,921,981 km (0.067 R)
• M11: 6,384,239 km (0.064 R)
• M12: 7,311,147 km (0.087 R)
• M13: 11,122,901 km (0.114 R)
• M14: 15,271,998 km (0.077 R)
• M15: 21,183,657 km (0.116 R)
• M16: 21,610,310 km (0.045 R)
• M17: 26,771,137 km (0.052 R)
• M18: 27,521,371 km (0.069 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 17,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit