🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.52 AU - 0.74 AU

Year: 328 Days

Day: 37.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,228,058 km

• M1: 98,884 km (0.028 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.4

Radius: 11.8

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.93 AU - 1.13 AU

Year: 686 Days

Day: 14.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,228,058 km

• M1: 146,756 km (0.093 R)
• M2: 784,192 km (0.052 R)
• M3: 1,284,148 km (0.069 R)
• M4: 3,001,382 km (0.079 R)
• M5: 4,225,093 km (0.096 R)
• M6: 5,011,828 km (0.111 R)
• M7: 5,659,287 km (0.106 R)
• M8: 7,844,164 km (0.088 R)
• M9: 8,692,235 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.2

Radius: 13

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.72 AU - 2.14 AU

Year: 1759 Days

Day: 12.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,228,058 km

• M1: 161,715 km (0.104 R)
• M2: 638,783 km (0.069 R)
• M3: 1,183,768 km (0.119 R)
• M4: 2,058,915 km (0.091 R)
• M5: 2,563,210 km (0.103 R)
• M6: 3,048,505 km (0.093 R)
• M7: 4,315,151 km (0.029 R)
• M8: 5,997,977 km (0.118 R)
• M9: 6,516,184 km (0.084 R)
• M10: 8,139,471 km (0.03 R)
• M11: 9,015,366 km (0.049 R)
• M12: 10,246,856 km (0.12 R)
• M13: 12,319,085 km (0.115 R)
• M14: 12,772,517 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.5

Radius: 9.1

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.59 AU - 2.55 AU

Year: 1954 Days

Day: 7 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,228,058 km

• M1: 113,246 km (0.077 R)
• M2: 400,473 km (0.108 R)
• M3: 751,729 km (0.105 R)
• M4: 1,459,926 km (0.081 R)
• M5: 1,824,047 km (0.103 R)
• M6: 2,160,492 km (0.064 R)
• M7: 3,020,531 km (0.112 R)
• M8: 3,757,599 km (0.085 R)
• M9: 4,183,804 km (0.065 R)
• M10: 4,841,436 km (0.096 R)
• M11: 5,848,978 km (0.101 R)
• M12: 6,990,409 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.7

Radius: 10.3

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.23 AU - 3.35 AU

Year: 3057 Days

Day: 12.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,228,058 km

• M1: 134,788 km (0.092 R)
• M2: 645,814 km (0.077 R)
• M3: 1,161,478 km (0.111 R)
• M4: 1,644,529 km (0.111 R)
• M5: 2,495,143 km (0.068 R)
• M6: 3,339,772 km (0.106 R)
• M7: 5,861,843 km (0.112 R)
• M8: 6,388,577 km (0.107 R)
• M9: 7,051,595 km (0.103 R)
• M10: 7,481,838 km (0.097 R)
• M11: 8,971,983 km (0.036 R)
• M12: 10,477,536 km (0.089 R)
• M13: 11,546,113 km (0.104 R)
• M14: 11,918,014 km (0.078 R)
• M15: 13,568,228 km (0.106 R)
• M16: 14,277,621 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.9

Radius: 9.8

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.61 AU - 4.59 AU

Year: 5446 Days

Day: 10.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,228,058 km

• M1: 137,331 km (0.114 R)
• M2: 537,804 km (0.055 R)
• M3: 2,593,728 km (0.114 R)
• M4: 3,675,320 km (0.086 R)
• M5: 4,436,026 km (0.088 R)
• M6: 4,753,323 km (0.052 R)
• M7: 5,271,380 km (0.089 R)
• M8: 6,668,923 km (0.08 R)
• M9: 7,386,245 km (0.113 R)
• M10: 7,728,824 km (0.086 R)
• M11: 8,482,947 km (0.12 R)
• M12: 9,012,524 km (0.075 R)
• M13: 11,353,880 km (0.083 R)
• M14: 13,057,351 km (0.054 R)
• M15: 15,142,745 km (0.096 R)
• M16: 17,561,743 km (0.113 R)
• M17: 17,927,210 km (0.086 R)
• M18: 18,926,674 km (0.066 R)
• M19: 21,104,520 km (0.085 R)
• M20: 21,587,122 km (0.067 R)
• M21: 21,936,284 km (0.088 R)
• M22: 24,867,355 km (0.059 R)
• M23: 25,405,758 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806

Radius: 3.8

Gravity: 55.82 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.36 AU - 11.62 AU

Year: 20714 Days

Day: 17.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 82,228,058 km

• M1: 48,470 km (0.12 R)
• M2: 365,318 km (0.089 R)
• M3: 1,393,953 km (0.092 R)
• M4: 3,421,902 km (0.063 R)
• M5: 4,521,147 km (0.108 R)
• M6: 4,997,466 km (0.05 R)
• M7: 5,189,401 km (0.097 R)
• M8: 5,547,089 km (0.106 R)
• M9: 5,836,411 km (0.081 R)
• M10: 6,049,289 km (0.061 R)
• M11: 6,267,253 km (0.07 R)
• M12: 6,445,424 km (0.095 R)
• M13: 7,686,787 km (0.108 R)
• M14: 7,994,361 km (0.113 R)
• M15: 8,743,996 km (0.079 R)
• M16: 10,319,860 km (0.094 R)
• M17: 10,757,433 km (0.099 R)
• M18: 11,272,349 km (0.102 R)
• M19: 11,736,402 km (0.068 R)
• M20: 21,894,845 km (0.117 R)
• M21: 22,305,043 km (0.065 R)
• M22: 23,459,788 km (0.07 R)
• M23: 26,577,558 km (0.074 R)
• M24: 27,161,887 km (0.098 R)
• M25: 27,874,422 km (0.097 R)
• M26: 31,624,391 km (0.091 R)
• M27: 36,408,232 km (0.117 R)
• M28: 39,498,027 km (0.059 R)
• M29: 41,339,876 km (0.05 R)
• M30: 42,440,168 km (0.063 R)
• M31: 42,599,041 km (0.085 R)
• M32: 45,193,517 km (0.118 R)
• M33: 51,592,865 km (0.101 R)
• M34: 59,757,617 km (0.116 R)
• M35: 63,832,065 km (0.09 R)
• M36: 69,400,397 km (0.099 R)
• M37: 69,841,561 km (0.096 R)
• M38: 71,625,366 km (0.093 R)
• M39: 73,439,390 km (0.117 R)
• M40: 74,819,729 km (0.077 R)
• M41: 79,545,825 km (0.094 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 15,208 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit