🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.54 AU - 1.56 AU

Year: 701 Days

Day: 19.5 Hours

Environment

Temp: -29 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.42 AU - 1.84 AU

Year: 756 Days

Day: 20.2 Hours

Environment

Temp: -52 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,847,967 km

• M1: 732,132 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.72 AU - 3.1 AU

Year: 1804 Days

Day: 20.1 Hours

Environment

Temp: -89 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,847,967 km

• M1: 34,707 km (0.096 R)

Asteroid Belt

Center: 4.07 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.5

Radius: 9.6

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.55 AU - 5.89 AU

Year: 4334 Days

Day: 14.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,847,967 km

• M1: 133,591 km (0.12 R)
• M2: 625,768 km (0.115 R)
• M3: 1,337,555 km (0.066 R)
• M4: 2,110,826 km (0.105 R)
• M5: 3,621,465 km (0.045 R)
• M6: 4,795,958 km (0.073 R)
• M7: 5,293,521 km (0.12 R)
• M8: 6,365,240 km (0.071 R)
• M9: 10,935,006 km (0.092 R)
• M10: 12,620,824 km (0.119 R)
• M11: 14,381,292 km (0.111 R)
• M12: 16,249,770 km (0.109 R)
• M13: 17,216,321 km (0.055 R)
• M14: 17,740,213 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.3

Radius: 12

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.14 AU - 6.74 AU

Year: 5261 Days

Day: 9.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,847,967 km

• M1: 149,299 km (0.107 R)
• M2: 629,358 km (0.048 R)
• M3: 1,150,258 km (0.108 R)
• M4: 1,983,219 km (0.114 R)
• M5: 2,382,645 km (0.09 R)
• M6: 4,108,406 km (0.114 R)
• M7: 4,582,033 km (0.11 R)
• M8: 5,175,937 km (0.084 R)
• M9: 5,974,490 km (0.107 R)
• M10: 6,785,460 km (0.065 R)
• M11: 7,816,638 km (0.072 R)
• M12: 9,280,304 km (0.089 R)
• M13: 13,057,800 km (0.111 R)
• M14: 13,755,973 km (0.104 R)
• M15: 14,706,219 km (0.068 R)
• M16: 16,060,977 km (0.114 R)
• M17: 18,612,518 km (0.058 R)
• M18: 21,423,163 km (0.042 R)
• M19: 23,473,252 km (0.095 R)
• M20: 23,946,131 km (0.097 R)
• M21: 27,348,735 km (0.119 R)
• M22: 28,136,667 km (0.076 R)
• M23: 32,015,141 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.3

Radius: 9

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.79 AU - 7.05 AU

Year: 5912 Days

Day: 9.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,847,967 km

• M1: 118,182 km (0.076 R)
• M2: 503,846 km (0.085 R)
• M3: 796,609 km (0.075 R)
• M4: 1,080,994 km (0.115 R)
• M5: 1,367,025 km (0.119 R)
• M6: 1,665,623 km (0.083 R)
• M7: 2,709,367 km (0.099 R)
• M8: 4,436,026 km (0.109 R)
• M9: 7,070,743 km (0.107 R)
• M10: 11,642,604 km (0.103 R)
• M11: 13,541,001 km (0.111 R)
• M12: 14,422,432 km (0.055 R)
• M13: 16,299,586 km (0.073 R)
• M14: 18,070,974 km (0.102 R)
• M15: 24,954,122 km (0.099 R)
• M16: 31,752,298 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457

Radius: 7.3

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 10.98 AU - 17.22 AU

Year: 19242 Days

Day: 19.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,847,967 km

• M1: 91,404 km (0.075 R)
• M2: 520,750 km (0.104 R)
• M3: 752,028 km (0.116 R)
• M4: 1,294,919 km (0.094 R)
• M5: 2,271,195 km (0.078 R)
• M6: 2,545,258 km (0.083 R)
• M7: 2,888,884 km (0.086 R)
• M8: 3,585,562 km (0.089 R)
• M9: 3,988,429 km (0.12 R)
• M10: 4,389,202 km (0.103 R)
• M11: 4,682,114 km (0.076 R)
• M12: 4,918,928 km (0.111 R)
• M13: 5,716,135 km (0.085 R)
• M14: 8,130,495 km (0.038 R)
• M15: 8,928,899 km (0.12 R)
• M16: 9,669,408 km (0.104 R)
• M17: 11,823,169 km (0.083 R)
• M18: 13,379,884 km (0.091 R)
• M19: 15,215,300 km (0.047 R)
• M20: 17,453,434 km (0.112 R)
• M21: 18,693,301 km (0.06 R)
• M22: 20,526,025 km (0.038 R)
• M23: 23,742,229 km (0.117 R)
• M24: 26,310,825 km (0.107 R)
• M25: 27,170,414 km (0.059 R)
• M26: 29,401,218 km (0.109 R)
• M27: 35,897,804 km (0.118 R)
• M28: 37,896,432 km (0.049 R)
• M29: 38,854,157 km (0.043 R)
• M30: 39,547,992 km (0.075 R)
• M31: 40,391,425 km (0.117 R)
• M32: 43,736,134 km (0.076 R)
• M33: 56,802,760 km (0.062 R)
• M34: 61,177,301 km (0.064 R)
• M35: 63,255,365 km (0.089 R)
• M36: 63,638,186 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416

Radius: 4.8

Gravity: 18.06 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 11.74 AU - 18.18 AU

Year: 21029 Days

Day: 20.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,847,967 km

• M1: 61,335 km (0.1 R)
• M2: 428,897 km (0.083 R)
• M3: 650,152 km (0.07 R)
• M4: 1,176,587 km (0.062 R)
• M5: 2,240,976 km (0.067 R)
• M6: 3,270,209 km (0.082 R)
• M7: 4,817,500 km (0.063 R)
• M8: 5,242,209 km (0.08 R)
• M9: 5,653,154 km (0.055 R)
• M10: 7,891,288 km (0.059 R)
• M11: 16,233,613 km (0.112 R)
• M12: 16,468,033 km (0.072 R)
• M13: 20,898,523 km (0.072 R)
• M14: 41,084,961 km (0.105 R)
• M15: 48,264,761 km (0.118 R)
• M16: 60,065,639 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 263.8

Radius: 5.8

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 17 AU - 21.6 AU

Year: 30815 Days

Day: 20.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,847,967 km

• M1: 88,113 km (0.091 R)
• M2: 352,153 km (0.103 R)
• M3: 594,352 km (0.116 R)
• M4: 1,429,557 km (0.113 R)
• M5: 1,834,519 km (0.117 R)
• M6: 2,675,558 km (0.098 R)
• M7: 7,780,735 km (0.102 R)
• M8: 12,413,631 km (0.117 R)
• M9: 16,983,098 km (0.101 R)
• M10: 24,097,973 km (0.114 R)
• M11: 25,594,700 km (0.118 R)
• M12: 32,457,951 km (0.096 R)
• M13: 59,605,925 km (0.112 R)
• M14: 61,349,189 km (0.091 R)
• M15: 70,577,583 km (0.081 R)
• M16: 71,223,845 km (0.112 R)

Kuiper Belt

Range: 30.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 16,126 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit