🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.4

Radius: 14.2

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.61 AU - 0.69 AU

Year: 362 Days

Day: 15 Hours

Environment

Temp: -145 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,821,373 km

• M1: 176,675 km (0.107 R)
• M2: 651,648 km (0.096 R)
• M3: 1,103,284 km (0.103 R)
• M4: 1,912,010 km (0.111 R)
• M5: 2,373,221 km (0.12 R)
• M6: 3,048,057 km (0.082 R)
• M7: 4,258,154 km (0.094 R)
• M8: 5,388,814 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.3

Radius: 12.3

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.78 AU - 1.14 AU

Year: 649 Days

Day: 13.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,821,373 km

• M1: 153,188 km (0.053 R)
• M2: 763,099 km (0.081 R)
• M3: 1,152,352 km (0.116 R)
• M4: 1,647,073 km (0.085 R)
• M5: 2,124,140 km (0.056 R)
• M6: 2,614,073 km (0.058 R)
• M7: 3,052,245 km (0.11 R)
• M8: 3,609,497 km (0.043 R)
• M9: 4,490,180 km (0.105 R)
• M10: 6,133,961 km (0.073 R)
• M11: 7,047,705 km (0.057 R)
• M12: 8,246,583 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.8

Radius: 11.8

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.96 AU - 1.08 AU

Year: 711 Days

Day: 8.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,821,373 km

• M1: 147,055 km (0.101 R)
• M2: 572,361 km (0.034 R)
• M3: 1,017,415 km (0.12 R)
• M4: 1,991,896 km (0.1 R)
• M5: 3,156,665 km (0.063 R)
• M6: 3,551,753 km (0.054 R)
• M7: 3,949,384 km (0.107 R)
• M8: 4,344,173 km (0.045 R)
• M9: 4,817,650 km (0.036 R)
• M10: 5,476,928 km (0.106 R)
• M11: 5,848,678 km (0.092 R)
• M12: 6,470,258 km (0.088 R)
• M13: 7,796,742 km (0.056 R)
• M14: 8,167,595 km (0.119 R)
• M15: 9,160,476 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.8

Radius: 14.7

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.89 AU - 2.79 AU

Year: 2471 Days

Day: 5.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,821,373 km

• M1: 182,809 km (0.064 R)
• M2: 767,587 km (0.092 R)
• M3: 1,425,817 km (0.117 R)
• M4: 2,018,973 km (0.116 R)
• M5: 2,556,927 km (0.118 R)
• M6: 3,317,034 km (0.119 R)
• M7: 4,093,147 km (0.103 R)
• M8: 4,882,276 km (0.115 R)
• M9: 5,607,975 km (0.063 R)
• M10: 6,481,029 km (0.099 R)
• M11: 6,977,245 km (0.12 R)
• M12: 8,436,871 km (0.072 R)
• M13: 9,287,933 km (0.088 R)
• M14: 9,818,856 km (0.087 R)
• M15: 11,161,647 km (0.102 R)
• M16: 12,987,938 km (0.054 R)
• M17: 13,610,863 km (0.074 R)
• M18: 14,428,415 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.1

Radius: 8.9

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.88 AU - 3.08 AU

Year: 2696 Days

Day: 7.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,821,373 km

• M1: 110,702 km (0.055 R)
• M2: 389,702 km (0.112 R)
• M3: 971,189 km (0.112 R)
• M4: 1,482,216 km (0.109 R)
• M5: 1,811,929 km (0.088 R)
• M6: 2,621,553 km (0.118 R)
• M7: 2,972,958 km (0.089 R)
• M8: 3,301,625 km (0.101 R)
• M9: 4,327,418 km (0.103 R)
• M10: 6,026,251 km (0.084 R)
• M11: 6,584,101 km (0.105 R)
• M12: 7,391,032 km (0.101 R)
• M13: 10,325,095 km (0.111 R)
• M14: 11,042,118 km (0.086 R)
• M15: 12,934,381 km (0.096 R)
• M16: 14,245,457 km (0.101 R)
• M17: 15,083,505 km (0.088 R)
• M18: 16,966,044 km (0.065 R)
• M19: 18,941,634 km (0.094 R)
• M20: 19,773,099 km (0.093 R)
• M21: 20,075,885 km (0.068 R)
• M22: 20,505,081 km (0.119 R)
• M23: 21,002,943 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.7

Radius: 12.6

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.98 AU - 4.22 AU

Year: 5730 Days

Day: 14.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,821,373 km

• M1: 173,534 km (0.109 R)
• M2: 589,266 km (0.1 R)
• M3: 1,211,743 km (0.106 R)
• M4: 1,661,883 km (0.085 R)
• M5: 2,154,509 km (0.085 R)
• M6: 2,567,698 km (0.085 R)
• M7: 3,069,599 km (0.066 R)
• M8: 3,616,828 km (0.032 R)
• M9: 4,206,393 km (0.11 R)
• M10: 5,445,662 km (0.096 R)
• M11: 6,107,183 km (0.06 R)
• M12: 7,328,500 km (0.11 R)
• M13: 9,039,003 km (0.103 R)
• M14: 10,169,065 km (0.078 R)
• M15: 12,197,762 km (0.088 R)
• M16: 13,041,793 km (0.046 R)
• M17: 15,429,973 km (0.075 R)
• M18: 18,396,948 km (0.11 R)
• M19: 19,507,114 km (0.066 R)
• M20: 20,989,928 km (0.12 R)
• M21: 21,996,871 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.8

Radius: 11.6

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.51 AU - 5.59 AU

Year: 6699 Days

Day: 7.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,821,373 km

• M1: 144,212 km (0.12 R)
• M2: 508,334 km (0.093 R)
• M3: 1,072,766 km (0.074 R)
• M4: 1,548,039 km (0.087 R)
• M5: 2,115,314 km (0.11 R)
• M6: 3,693,272 km (0.098 R)
• M7: 4,853,853 km (0.047 R)
• M8: 7,048,603 km (0.083 R)
• M9: 10,114,013 km (0.096 R)
• M10: 11,938,957 km (0.096 R)
• M11: 12,575,496 km (0.067 R)
• M12: 12,957,120 km (0.119 R)
• M13: 13,629,264 km (0.098 R)
• M14: 14,861,651 km (0.06 R)
• M15: 15,411,872 km (0.07 R)
• M16: 18,791,138 km (0.084 R)
• M17: 19,579,968 km (0.114 R)
• M18: 21,532,220 km (0.032 R)
• M19: 22,715,689 km (0.094 R)
• M20: 23,119,753 km (0.1 R)
• M21: 24,529,413 km (0.073 R)
• M22: 24,954,720 km (0.117 R)
• M23: 26,705,464 km (0.091 R)
• M24: 28,912,631 km (0.062 R)
• M25: 29,867,364 km (0.108 R)
• M26: 30,352,510 km (0.115 R)
• M27: 34,637,592 km (0.089 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: 343 - 12,904 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit