🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.68 AU - 0.7 AU

Year: 201 Days

Day: 32.6 Hours

Environment

Temp: 168 °C

Axial Tilt: 12.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 100,066,030 km

• M1: 52,808 km (0.111 R)
• M2: 412,441 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.04 AU - 1.34 AU

Year: 456 Days

Day: 31.6 Hours

Environment

Temp: 26 °C

Axial Tilt: 14.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.73 AU - 2.77 AU

Year: 1603 Days

Day: 26.6 Hours

Environment

Temp: -86 °C

Axial Tilt: 46.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 100,066,030 km

• M1: 61,335 km (0.119 R)
• M2: 95,294 km (0.112 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.02 AU - 4.2 AU

Year: 2411 Days

Day: 28.5 Hours

Environment

Temp: -104 °C

Axial Tilt: 133.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.6

Radius: 10.8

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.13 AU - 7.79 AU

Year: 7161 Days

Day: 12.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 100,066,030 km

• M1: 185,651 km (0.115 R)
• M2: 539,450 km (0.081 R)
• M3: 875,746 km (0.098 R)
• M4: 2,063,703 km (0.063 R)
• M5: 2,423,635 km (0.093 R)
• M6: 4,875,993 km (0.107 R)
• M7: 6,255,435 km (0.098 R)
• M8: 8,374,339 km (0.076 R)
• M9: 13,219,216 km (0.077 R)
• M10: 17,346,322 km (0.04 R)
• M11: 21,372,150 km (0.096 R)
• M12: 25,732,180 km (0.062 R)
• M13: 29,186,993 km (0.1 R)
• M14: 29,548,721 km (0.08 R)
• M15: 31,496,635 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.5

Radius: 8

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.39 AU - 8.75 AU

Year: 7320 Days

Day: 8.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 100,066,030 km

• M1: 99,483 km (0.113 R)
• M2: 858,991 km (0.089 R)
• M3: 1,294,770 km (0.105 R)
• M4: 1,545,944 km (0.082 R)
• M5: 1,830,180 km (0.118 R)
• M6: 4,145,507 km (0.106 R)
• M7: 4,726,246 km (0.046 R)
• M8: 5,505,052 km (0.102 R)
• M9: 6,049,289 km (0.106 R)
• M10: 6,966,474 km (0.101 R)
• M11: 10,588,836 km (0.118 R)
• M12: 15,070,639 km (0.086 R)
• M13: 15,655,417 km (0.036 R)
• M14: 15,953,416 km (0.042 R)
• M15: 16,255,155 km (0.116 R)
• M16: 19,900,556 km (0.064 R)
• M17: 21,617,341 km (0.115 R)
• M18: 21,987,147 km (0.108 R)
• M19: 25,342,926 km (0.09 R)
• M20: 25,754,021 km (0.115 R)
• M21: 26,505,302 km (0.109 R)
• M22: 28,139,060 km (0.083 R)
• M23: 28,935,968 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.7

Radius: 3.3

Gravity: 17.88 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 13.42 AU - 16.54 AU

Year: 20377 Days

Day: 21.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 100,066,030 km

• M1: 42,336 km (0.115 R)
• M2: 192,233 km (0.048 R)
• M3: 516,561 km (0.087 R)
• M4: 2,155,855 km (0.101 R)
• M5: 3,529,463 km (0.084 R)
• M6: 5,431,300 km (0.087 R)
• M7: 6,179,888 km (0.025 R)
• M8: 7,240,238 km (0.107 R)
• M9: 12,338,683 km (0.115 R)
• M10: 13,559,551 km (0.101 R)
• M11: 13,685,812 km (0.047 R)
• M12: 14,329,382 km (0.058 R)
• M13: 15,607,247 km (0.109 R)
• M14: 17,776,266 km (0.099 R)
• M15: 18,079,950 km (0.11 R)
• M16: 19,811,844 km (0.09 R)
• M17: 31,898,604 km (0.101 R)
• M18: 41,812,455 km (0.074 R)
• M19: 43,026,442 km (0.117 R)
• M20: 44,125,089 km (0.1 R)
• M21: 49,899,567 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.8

Radius: 4.5

Gravity: 42.46 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 13.4 AU - 18.4 AU

Year: 22283 Days

Day: 17.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 100,066,030 km

• M1: 56,249 km (0.085 R)
• M2: 804,388 km (0.047 R)
• M3: 1,087,128 km (0.102 R)
• M4: 1,810,433 km (0.116 R)
• M5: 2,075,222 km (0.078 R)
• M6: 2,250,700 km (0.079 R)
• M7: 2,864,051 km (0.083 R)
• M8: 3,613,237 km (0.093 R)
• M9: 5,325,535 km (0.081 R)
• M10: 5,571,773 km (0.109 R)
• M11: 6,823,159 km (0.038 R)
• M12: 7,015,991 km (0.095 R)
• M13: 7,514,151 km (0.106 R)
• M14: 9,623,481 km (0.094 R)
• M15: 10,237,880 km (0.092 R)
• M16: 13,329,170 km (0.117 R)
• M17: 21,785,190 km (0.107 R)
• M18: 26,097,498 km (0.116 R)
• M19: 30,422,672 km (0.054 R)
• M20: 31,341,502 km (0.061 R)
• M21: 35,923,236 km (0.047 R)
• M22: 36,507,116 km (0.116 R)
• M23: 37,844,222 km (0.116 R)
• M24: 41,408,840 km (0.105 R)
• M25: 43,190,102 km (0.065 R)
• M26: 43,354,510 km (0.11 R)
• M27: 49,555,940 km (0.11 R)
• M28: 58,306,219 km (0.118 R)
• M29: 61,992,610 km (0.11 R)
• M30: 64,106,428 km (0.095 R)
• M31: 66,486,380 km (0.098 R)
• M32: 71,192,430 km (0.082 R)
• M33: 73,743,822 km (0.08 R)
• M34: 76,595,905 km (0.112 R)
• M35: 78,293,093 km (0.087 R)
• M36: 84,302,439 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.7

Radius: 3.8

Gravity: 51.92 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 16.8 AU - 20.96 AU

Year: 28832 Days

Day: 15.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 100,066,030 km

• M1: 47,273 km (0.063 R)
• M2: 247,285 km (0.111 R)
• M3: 488,437 km (0.117 R)
• M4: 640,279 km (0.066 R)
• M5: 1,361,939 km (0.086 R)
• M6: 3,355,480 km (0.088 R)
• M7: 3,875,183 km (0.094 R)
• M8: 5,889,519 km (0.098 R)
• M9: 6,544,907 km (0.101 R)
• M10: 7,999,447 km (0.077 R)
• M11: 8,920,521 km (0.08 R)
• M12: 13,788,585 km (0.064 R)
• M13: 16,507,078 km (0.106 R)
• M14: 18,863,992 km (0.105 R)
• M15: 28,025,067 km (0.04 R)
• M16: 29,460,757 km (0.108 R)
• M17: 29,726,892 km (0.079 R)
• M18: 35,393,211 km (0.044 R)
• M19: 39,437,888 km (0.061 R)
• M20: 55,801,951 km (0.12 R)
• M21: 57,859,071 km (0.058 R)
• M22: 58,906,406 km (0.099 R)
• M23: 87,162,003 km (0.105 R)
• M24: 98,276,526 km (0.118 R)
• M25: 99,168,578 km (0.114 R)

Kuiper Belt

Range: 31.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 11,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit