🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.56 AU - 0.56 AU

Year: 271 Days

Day: 23.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.9

Radius: 12

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.8 AU - 1.16 AU

Year: 626 Days

Day: 9.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,538,495 km

• M1: 149,448 km (0.084 R)
• M2: 583,731 km (0.119 R)
• M3: 1,006,046 km (0.12 R)
• M4: 1,625,680 km (0.11 R)
• M5: 2,112,023 km (0.103 R)
• M6: 2,525,810 km (0.088 R)
• M7: 3,293,696 km (0.11 R)
• M8: 3,732,916 km (0.105 R)
• M9: 4,158,970 km (0.106 R)

Asteroid Belt

Center: 1.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.9

Radius: 13

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.15 AU - 2.21 AU

Year: 2078 Days

Day: 12.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,538,495 km

• M1: 161,865 km (0.041 R)
• M2: 606,769 km (0.116 R)
• M3: 1,015,470 km (0.098 R)
• M4: 1,423,424 km (0.083 R)
• M5: 2,313,980 km (0.104 R)
• M6: 2,921,796 km (0.076 R)
• M7: 3,616,977 km (0.046 R)
• M8: 4,281,790 km (0.039 R)
• M9: 4,811,367 km (0.116 R)
• M10: 5,570,127 km (0.092 R)
• M11: 5,978,529 km (0.093 R)
• M12: 7,157,959 km (0.081 R)
• M13: 9,595,507 km (0.064 R)
• M14: 12,339,580 km (0.098 R)
• M15: 13,459,919 km (0.114 R)
• M16: 15,523,023 km (0.097 R)
• M17: 16,190,828 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.4

Radius: 14

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.56 AU - 2.68 AU

Year: 2738 Days

Day: 10 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,538,495 km

• M1: 174,132 km (0.07 R)
• M2: 793,018 km (0.117 R)
• M3: 1,598,902 km (0.073 R)
• M4: 2,275,683 km (0.094 R)
• M5: 3,798,440 km (0.092 R)
• M6: 4,590,411 km (0.086 R)
• M7: 5,970,301 km (0.092 R)
• M8: 6,426,425 km (0.084 R)
• M9: 7,524,175 km (0.059 R)
• M10: 13,364,625 km (0.068 R)
• M11: 14,552,432 km (0.092 R)
• M12: 15,148,879 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.3

Radius: 10.3

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.35 AU - 4.61 AU

Year: 6123 Days

Day: 11.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,538,495 km

• M1: 133,292 km (0.119 R)
• M2: 595,549 km (0.085 R)
• M3: 1,008,738 km (0.115 R)
• M4: 1,549,385 km (0.108 R)
• M5: 2,052,034 km (0.098 R)
• M6: 3,542,178 km (0.108 R)
• M7: 4,239,005 km (0.072 R)
• M8: 9,078,048 km (0.029 R)
• M9: 11,854,584 km (0.082 R)
• M10: 12,270,317 km (0.078 R)
• M11: 12,912,091 km (0.09 R)
• M12: 13,407,859 km (0.067 R)
• M13: 14,146,573 km (0.098 R)
• M14: 15,519,582 km (0.053 R)
• M15: 16,143,555 km (0.075 R)
• M16: 16,914,134 km (0.087 R)
• M17: 18,184,369 km (0.097 R)
• M18: 19,373,672 km (0.12 R)
• M19: 20,317,635 km (0.098 R)
• M20: 21,140,124 km (0.053 R)
• M21: 21,521,150 km (0.052 R)
• M22: 22,375,802 km (0.053 R)
• M23: 27,802,764 km (0.07 R)
• M24: 32,004,669 km (0.111 R)
• M25: 32,406,489 km (0.05 R)
• M26: 33,839,338 km (0.119 R)
• M27: 34,256,416 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.1

Radius: 8

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.22 AU - 10.18 AU

Year: 16569 Days

Day: 24.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,538,495 km

• M1: 99,483 km (0.039 R)
• M2: 353,500 km (0.072 R)
• M3: 863,928 km (0.067 R)
• M4: 1,757,326 km (0.079 R)
• M5: 2,735,846 km (0.083 R)
• M6: 3,041,624 km (0.099 R)
• M7: 9,543,447 km (0.064 R)
• M8: 9,974,288 km (0.103 R)
• M9: 12,200,305 km (0.1 R)
• M10: 12,579,685 km (0.059 R)
• M11: 14,809,142 km (0.087 R)
• M12: 16,819,139 km (0.088 R)
• M13: 22,674,250 km (0.081 R)
• M14: 24,028,410 km (0.091 R)
• M15: 49,185,237 km (0.109 R)
• M16: 54,117,628 km (0.096 R)
• M17: 56,703,278 km (0.082 R)
• M18: 60,277,171 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.9

Radius: 3.5

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 8.19 AU - 10.79 AU

Year: 18876 Days

Day: 24.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,538,495 km

• M1: 50,115 km (0.052 R)
• M2: 668,104 km (0.085 R)
• M3: 1,220,120 km (0.096 R)
• M4: 1,374,505 km (0.085 R)
• M5: 2,459,090 km (0.047 R)
• M6: 2,805,558 km (0.097 R)
• M7: 9,052,317 km (0.08 R)
• M8: 10,396,902 km (0.081 R)
• M9: 10,592,277 km (0.029 R)
• M10: 20,569,857 km (0.095 R)
• M11: 28,548,360 km (0.093 R)
• M12: 30,497,920 km (0.113 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 13,511 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit