🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.87 AU - 0.93 AU

Year: 309 Days

Day: 16.8 Hours

Environment

Temp: 79 °C

Axial Tilt: 22.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.92 AU - 1.36 AU

Year: 440 Days

Day: 20.3 Hours

Environment

Temp: 8 °C

Axial Tilt: 8.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 94,646,899 km

• M1: 899,382 km (0.058 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.33 AU - 2.03 AU

Year: 788 Days

Day: 20.5 Hours

Environment

Temp: -44 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.05 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.5

Radius: 12.3

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.03 AU - 6.81 AU

Year: 5883 Days

Day: 10.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 94,646,899 km

• M1: 153,188 km (0.099 R)
• M2: 648,956 km (0.074 R)
• M3: 1,166,415 km (0.074 R)
• M4: 1,841,251 km (0.111 R)
• M5: 2,763,821 km (0.113 R)
• M6: 3,202,591 km (0.085 R)
• M7: 3,852,444 km (0.112 R)
• M8: 4,402,815 km (0.073 R)
• M9: 5,033,819 km (0.105 R)
• M10: 5,819,058 km (0.092 R)
• M11: 6,443,180 km (0.066 R)
• M12: 7,258,040 km (0.041 R)
• M13: 9,574,114 km (0.107 R)
• M14: 11,170,024 km (0.07 R)
• M15: 13,772,429 km (0.098 R)
• M16: 17,413,342 km (0.071 R)
• M17: 20,366,254 km (0.061 R)
• M18: 22,353,063 km (0.101 R)
• M19: 23,231,502 km (0.1 R)
• M20: 24,802,579 km (0.113 R)
• M21: 28,618,222 km (0.1 R)
• M22: 36,180,395 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.4

Radius: 9.4

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.45 AU - 7.69 AU

Year: 6799 Days

Day: 9.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 94,646,899 km

• M1: 119,379 km (0.072 R)
• M2: 422,614 km (0.097 R)
• M3: 1,400,984 km (0.09 R)
• M4: 1,785,151 km (0.111 R)
• M5: 2,441,437 km (0.088 R)
• M6: 4,316,796 km (0.081 R)
• M7: 8,302,532 km (0.12 R)
• M8: 17,433,089 km (0.104 R)
• M9: 18,182,424 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.5

Radius: 10.1

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.62 AU - 8.46 AU

Year: 8245 Days

Day: 5.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 87.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 94,646,899 km

• M1: 125,662 km (0.085 R)
• M2: 633,996 km (0.109 R)
• M3: 4,410,893 km (0.107 R)
• M4: 5,364,580 km (0.071 R)
• M5: 5,689,207 km (0.11 R)
• M6: 7,083,160 km (0.092 R)
• M7: 12,281,686 km (0.11 R)
• M8: 15,943,692 km (0.1 R)
• M9: 19,202,233 km (0.059 R)
• M10: 23,737,442 km (0.118 R)
• M11: 25,244,192 km (0.105 R)
• M12: 26,252,482 km (0.087 R)
• M13: 29,438,467 km (0.119 R)
• M14: 34,519,858 km (0.06 R)
• M15: 34,855,556 km (0.059 R)
• M16: 35,193,497 km (0.117 R)
• M17: 38,094,948 km (0.075 R)
• M18: 39,910,468 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.9

Radius: 4.3

Gravity: 51.91 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 12.68 AU - 13.52 AU

Year: 17147 Days

Day: 20.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 94,646,899 km

• M1: 53,556 km (0.039 R)
• M2: 234,121 km (0.106 R)
• M3: 398,379 km (0.066 R)
• M4: 744,549 km (0.107 R)
• M5: 1,703,321 km (0.111 R)
• M6: 1,945,820 km (0.08 R)
• M7: 2,476,593 km (0.068 R)
• M8: 2,966,376 km (0.099 R)
• M9: 3,152,177 km (0.098 R)
• M10: 4,135,484 km (0.091 R)
• M11: 4,334,000 km (0.092 R)
• M12: 5,906,872 km (0.083 R)
• M13: 7,874,383 km (0.063 R)
• M14: 12,690,687 km (0.056 R)
• M15: 13,181,068 km (0.108 R)
• M16: 14,881,697 km (0.117 R)
• M17: 15,427,131 km (0.091 R)
• M18: 15,744,577 km (0.088 R)
• M19: 16,228,975 km (0.108 R)
• M20: 18,090,422 km (0.061 R)
• M21: 18,711,253 km (0.111 R)
• M22: 20,278,141 km (0.067 R)
• M23: 24,843,718 km (0.049 R)
• M24: 31,678,247 km (0.118 R)
• M25: 33,101,670 km (0.066 R)
• M26: 39,962,977 km (0.101 R)
• M27: 40,561,518 km (0.096 R)
• M28: 42,084,275 km (0.117 R)
• M29: 47,713,493 km (0.113 R)
• M30: 52,028,045 km (0.056 R)
• M31: 67,569,020 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.9

Radius: 7.6

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 14.88 AU - 15.4 AU

Year: 21305 Days

Day: 21.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 94,646,899 km

• M1: 94,546 km (0.084 R)
• M2: 352,004 km (0.08 R)
• M3: 998,865 km (0.12 R)
• M4: 1,315,564 km (0.105 R)
• M5: 1,612,964 km (0.067 R)
• M6: 1,936,096 km (0.059 R)
• M7: 2,456,547 km (0.031 R)
• M8: 2,713,705 km (0.12 R)
• M9: 3,040,726 km (0.103 R)
• M10: 5,238,469 km (0.092 R)
• M11: 5,951,452 km (0.071 R)
• M12: 6,954,805 km (0.105 R)
• M13: 7,376,671 km (0.06 R)
• M14: 8,015,903 km (0.058 R)
• M15: 10,156,050 km (0.102 R)
• M16: 14,599,256 km (0.045 R)
• M17: 15,058,073 km (0.092 R)
• M18: 15,684,738 km (0.063 R)
• M19: 17,928,557 km (0.117 R)
• M20: 19,446,227 km (0.11 R)
• M21: 20,472,768 km (0.11 R)
• M22: 22,939,337 km (0.059 R)
• M23: 27,057,468 km (0.07 R)
• M24: 32,282,323 km (0.073 R)
• M25: 34,521,205 km (0.058 R)
• M26: 35,062,599 km (0.07 R)
• M27: 42,936,534 km (0.113 R)
• M28: 54,976,769 km (0.038 R)
• M29: 61,266,910 km (0.09 R)
• M30: 67,597,294 km (0.039 R)
• M31: 74,800,581 km (0.114 R)

Asteroid Belt

Center: 17.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 19.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.3

Radius: 6.6

Gravity: 12.54 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 17.15 AU - 21.79 AU

Year: 31070 Days

Day: 20.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 94,646,899 km

• M1: 100,530 km (0.066 R)
• M2: 394,938 km (0.074 R)
• M3: 633,547 km (0.119 R)
• M4: 1,744,162 km (0.102 R)
• M5: 4,833,358 km (0.079 R)
• M6: 6,179,738 km (0.049 R)
• M7: 7,341,366 km (0.083 R)
• M8: 16,778,299 km (0.072 R)
• M9: 17,228,738 km (0.058 R)
• M10: 20,508,073 km (0.099 R)
• M11: 23,840,515 km (0.088 R)
• M12: 24,755,605 km (0.052 R)
• M13: 28,907,395 km (0.114 R)
• M14: 41,104,109 km (0.092 R)
• M15: 44,442,236 km (0.113 R)
• M16: 44,958,050 km (0.105 R)
• M17: 48,137,004 km (0.107 R)
• M18: 52,222,073 km (0.064 R)
• M19: 59,811,921 km (0.104 R)
• M20: 61,285,760 km (0.11 R)
• M21: 69,480,432 km (0.082 R)

Kuiper Belt

Range: 30.3 - 46.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 20,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit