🌌 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 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.9

Radius: 14.4

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.61 AU - 0.67 AU

Year: 347 Days

Day: 8.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,388,218 km

• M1: 179,069 km (0.104 R)
• M2: 645,515 km (0.105 R)
• M3: 1,105,827 km (0.088 R)
• M4: 1,653,954 km (0.047 R)
• M5: 2,148,674 km (0.089 R)
• M6: 3,181,648 km (0.091 R)
• M7: 3,691,028 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175

Radius: 11.4

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.61 AU - 0.79 AU

Year: 397 Days

Day: 7.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,388,218 km

• M1: 141,819 km (0.102 R)
• M2: 630,854 km (0.103 R)
• M3: 1,196,484 km (0.073 R)
• M4: 1,616,255 km (0.05 R)
• M5: 1,988,604 km (0.097 R)
• M6: 2,372,323 km (0.108 R)
• M7: 2,929,126 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.6

Radius: 11.3

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.4 AU - 3.58 AU

Year: 4422 Days

Day: 12.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,388,218 km

• M1: 146,008 km (0.117 R)
• M2: 803,191 km (0.087 R)
• M3: 1,230,891 km (0.081 R)
• M4: 2,315,625 km (0.109 R)
• M5: 3,444,641 km (0.085 R)
• M6: 4,731,182 km (0.091 R)
• M7: 5,896,550 km (0.085 R)
• M8: 7,144,046 km (0.096 R)
• M9: 9,738,373 km (0.087 R)
• M10: 10,888,930 km (0.082 R)
• M11: 12,464,046 km (0.08 R)
• M12: 16,702,004 km (0.082 R)
• M13: 17,972,239 km (0.104 R)
• M14: 19,501,728 km (0.077 R)
• M15: 20,909,743 km (0.081 R)
• M16: 22,528,243 km (0.12 R)
• M17: 22,890,868 km (0.097 R)
• M18: 25,149,347 km (0.085 R)
• M19: 26,332,516 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.2

Radius: 8.3

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.64 AU - 5.16 AU

Year: 6260 Days

Day: 11.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,388,218 km

• M1: 103,223 km (0.109 R)
• M2: 377,286 km (0.11 R)
• M3: 740,809 km (0.087 R)
• M4: 1,079,049 km (0.034 R)
• M5: 1,644,230 km (0.099 R)
• M6: 1,972,598 km (0.088 R)
• M7: 2,344,348 km (0.031 R)
• M8: 2,951,117 km (0.041 R)
• M9: 3,980,650 km (0.054 R)
• M10: 4,372,297 km (0.088 R)
• M11: 4,843,231 km (0.084 R)
• M12: 5,642,832 km (0.095 R)
• M13: 6,796,680 km (0.111 R)
• M14: 8,139,022 km (0.063 R)
• M15: 8,650,048 km (0.098 R)
• M16: 9,392,951 km (0.076 R)
• M17: 11,777,840 km (0.073 R)
• M18: 12,534,656 km (0.1 R)
• M19: 14,089,127 km (0.084 R)
• M20: 16,376,629 km (0.034 R)
• M21: 19,657,459 km (0.093 R)
• M22: 20,577,187 km (0.116 R)
• M23: 21,599,539 km (0.036 R)
• M24: 22,274,375 km (0.096 R)
• M25: 23,351,928 km (0.115 R)
• M26: 23,666,084 km (0.108 R)
• M27: 24,625,605 km (0.046 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.7

Radius: 4.4

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.56 AU - 7.18 AU

Year: 12213 Days

Day: 20.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,388,218 km

• M1: 57,745 km (0.088 R)
• M2: 220,358 km (0.028 R)
• M3: 425,606 km (0.063 R)
• M4: 601,084 km (0.101 R)
• M5: 1,101,788 km (0.068 R)
• M6: 1,799,513 km (0.052 R)
• M7: 2,217,788 km (0.051 R)
• M8: 2,734,948 km (0.118 R)
• M9: 3,932,778 km (0.082 R)
• M10: 4,125,012 km (0.055 R)
• M11: 4,554,507 km (0.044 R)
• M12: 4,929,998 km (0.088 R)
• M13: 7,088,097 km (0.043 R)
• M14: 7,703,094 km (0.093 R)
• M15: 10,203,323 km (0.106 R)
• M16: 11,367,793 km (0.117 R)
• M17: 16,170,183 km (0.094 R)
• M18: 16,601,923 km (0.118 R)
• M19: 22,093,960 km (0.068 R)
• M20: 22,548,887 km (0.076 R)
• M21: 25,410,545 km (0.086 R)
• M22: 25,993,677 km (0.068 R)
• M23: 29,044,127 km (0.111 R)
• M24: 29,865,420 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.6

Radius: 6.6

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.33 AU - 10.97 AU

Year: 18773 Days

Day: 17.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,388,218 km

• M1: 82,129 km (0.059 R)
• M2: 318,643 km (0.072 R)
• M3: 810,820 km (0.12 R)
• M4: 1,524,402 km (0.111 R)
• M5: 2,466,719 km (0.043 R)
• M6: 2,707,871 km (0.094 R)
• M7: 2,940,795 km (0.081 R)
• M8: 3,161,901 km (0.067 R)
• M9: 3,420,555 km (0.1 R)
• M10: 4,069,660 km (0.112 R)
• M11: 4,471,181 km (0.104 R)
• M12: 5,535,570 km (0.065 R)
• M13: 5,759,668 km (0.047 R)
• M14: 6,509,751 km (0.053 R)
• M15: 7,412,275 km (0.095 R)
• M16: 8,058,837 km (0.052 R)
• M17: 9,623,033 km (0.107 R)
• M18: 10,849,137 km (0.063 R)
• M19: 14,016,722 km (0.118 R)
• M20: 15,513,598 km (0.113 R)
• M21: 16,878,978 km (0.082 R)
• M22: 20,818,339 km (0.092 R)
• M23: 25,227,736 km (0.029 R)
• M24: 25,741,605 km (0.108 R)
• M25: 26,367,522 km (0.114 R)
• M26: 30,684,917 km (0.08 R)
• M27: 32,463,785 km (0.118 R)
• M28: 35,195,293 km (0.113 R)
• M29: 37,408,294 km (0.063 R)
• M30: 39,989,456 km (0.112 R)
• M31: 45,050,501 km (0.068 R)
• M32: 46,111,599 km (0.114 R)
• M33: 47,500,017 km (0.112 R)
• M34: 48,916,260 km (0.117 R)
• M35: 53,165,138 km (0.081 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 19,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit