🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.54 AU - 0.66 AU

Year: 300 Days

Day: 41.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,425,740 km

• M1: 28,124 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.6

Radius: 9.6

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.76 AU - 0.96 AU

Year: 515 Days

Day: 8.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,425,740 km

• M1: 119,678 km (0.035 R)
• M2: 453,581 km (0.113 R)
• M3: 766,539 km (0.111 R)
• M4: 1,226,254 km (0.109 R)
• M5: 3,025,168 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.4

Radius: 13.8

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.98 AU - 3.38 AU

Year: 3661 Days

Day: 11.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,425,740 km

• M1: 172,486 km (0.102 R)
• M2: 729,888 km (0.065 R)
• M3: 1,485,507 km (0.097 R)
• M4: 2,008,052 km (0.108 R)
• M5: 2,497,237 km (0.11 R)
• M6: 3,246,872 km (0.118 R)
• M7: 3,795,747 km (0.102 R)
• M8: 5,058,802 km (0.043 R)
• M9: 6,947,924 km (0.08 R)
• M10: 8,862,028 km (0.106 R)
• M11: 10,683,083 km (0.109 R)
• M12: 11,145,640 km (0.099 R)
• M13: 13,307,030 km (0.066 R)
• M14: 14,254,583 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.2

Radius: 8.5

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.64 AU - 4.82 AU

Year: 6642 Days

Day: 10.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,425,740 km

• M1: 105,766 km (0.045 R)
• M2: 468,092 km (0.07 R)
• M3: 952,490 km (0.108 R)
• M4: 1,722,769 km (0.106 R)
• M5: 2,044,554 km (0.091 R)
• M6: 2,449,067 km (0.091 R)
• M7: 2,747,963 km (0.116 R)
• M8: 3,087,999 km (0.107 R)
• M9: 3,813,998 km (0.091 R)
• M10: 4,301,388 km (0.104 R)
• M11: 5,351,714 km (0.06 R)
• M12: 5,651,957 km (0.108 R)
• M13: 8,079,482 km (0.05 R)
• M14: 9,023,145 km (0.096 R)
• M15: 9,630,961 km (0.1 R)
• M16: 10,928,274 km (0.099 R)
• M17: 12,555,300 km (0.107 R)
• M18: 12,908,052 km (0.034 R)
• M19: 14,337,909 km (0.114 R)
• M20: 14,918,648 km (0.069 R)
• M21: 15,717,500 km (0.101 R)
• M22: 16,334,891 km (0.03 R)
• M23: 19,845,504 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.9

Radius: 9

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.24 AU - 5.72 AU

Year: 7176 Days

Day: 7.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,425,740 km

• M1: 111,899 km (0.098 R)
• M2: 676,631 km (0.088 R)
• M3: 1,734,288 km (0.097 R)
• M4: 2,047,546 km (0.072 R)
• M5: 4,090,155 km (0.054 R)
• M6: 4,424,806 km (0.076 R)
• M7: 7,108,292 km (0.103 R)
• M8: 8,285,179 km (0.102 R)
• M9: 8,790,670 km (0.094 R)
• M10: 14,713,250 km (0.044 R)
• M11: 15,834,785 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.4

Radius: 3.1

Gravity: 57.79 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.09 AU - 10.49 AU

Year: 19778 Days

Day: 23.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 70,425,740 km

• M1: 38,596 km (0.094 R)
• M2: 248,781 km (0.118 R)
• M3: 366,365 km (0.069 R)
• M4: 653,892 km (0.091 R)
• M5: 999,463 km (0.116 R)
• M6: 1,125,275 km (0.101 R)
• M7: 1,958,087 km (0.104 R)
• M8: 3,433,271 km (0.111 R)
• M9: 5,105,775 km (0.086 R)
• M10: 5,557,112 km (0.081 R)
• M11: 5,792,430 km (0.104 R)
• M12: 6,889,730 km (0.105 R)
• M13: 7,069,995 km (0.112 R)
• M14: 7,629,791 km (0.096 R)
• M15: 8,019,044 km (0.049 R)
• M16: 8,421,313 km (0.116 R)
• M17: 8,784,237 km (0.03 R)
• M18: 8,942,961 km (0.066 R)
• M19: 9,430,500 km (0.106 R)
• M20: 9,935,543 km (0.069 R)
• M21: 11,245,571 km (0.117 R)
• M22: 12,801,239 km (0.09 R)
• M23: 14,275,227 km (0.113 R)
• M24: 16,093,739 km (0.099 R)
• M25: 18,403,829 km (0.108 R)
• M26: 24,078,076 km (0.088 R)
• M27: 25,124,663 km (0.086 R)
• M28: 26,310,376 km (0.096 R)
• M29: 35,139,044 km (0.111 R)
• M30: 35,807,148 km (0.074 R)
• M31: 38,002,048 km (0.044 R)
• M32: 38,282,694 km (0.058 R)
• M33: 41,757,254 km (0.108 R)
• M34: 45,436,314 km (0.053 R)
• M35: 45,910,839 km (0.116 R)
• M36: 49,492,212 km (0.119 R)
• M37: 50,669,696 km (0.115 R)
• M38: 56,654,958 km (0.114 R)
• M39: 61,344,701 km (0.095 R)
• M40: 62,898,275 km (0.055 R)
• M41: 67,100,928 km (0.112 R)
• M42: 70,214,808 km (0.047 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 14,274 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit