🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.2

Radius: 11.1

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.5 AU - 1.56 AU

Year: 1222 Days

Day: 10.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,002,826 km

• M1: 138,079 km (0.087 R)
• M2: 540,348 km (0.032 R)
• M3: 923,767 km (0.117 R)
• M4: 2,597,917 km (0.11 R)
• M5: 3,452,120 km (0.074 R)
• M6: 3,914,677 km (0.109 R)
• M7: 4,534,012 km (0.116 R)
• M8: 5,385,075 km (0.082 R)
• M9: 5,750,093 km (0.092 R)
• M10: 6,402,490 km (0.066 R)
• M11: 6,834,828 km (0.051 R)
• M12: 7,449,525 km (0.076 R)
• M13: 8,659,024 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.8

Radius: 12.6

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.75 AU - 1.91 AU

Year: 1598 Days

Day: 8.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,002,826 km

• M1: 156,779 km (0.118 R)
• M2: 549,922 km (0.072 R)
• M3: 1,083,089 km (0.117 R)
• M4: 1,537,268 km (0.1 R)
• M5: 1,931,608 km (0.076 R)
• M6: 2,331,632 km (0.038 R)
• M7: 3,006,319 km (0.108 R)
• M8: 3,763,882 km (0.113 R)
• M9: 4,204,149 km (0.089 R)
• M10: 5,486,801 km (0.116 R)
• M11: 6,881,801 km (0.09 R)
• M12: 7,806,017 km (0.088 R)
• M13: 8,552,211 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.2

Radius: 11.6

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.52 AU - 4.02 AU

Year: 4726 Days

Day: 6.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,002,826 km

• M1: 144,661 km (0.117 R)
• M2: 701,913 km (0.102 R)
• M3: 1,089,521 km (0.108 R)
• M4: 1,823,748 km (0.107 R)
• M5: 3,344,111 km (0.064 R)
• M6: 4,220,006 km (0.025 R)
• M7: 5,040,700 km (0.096 R)
• M8: 6,048,990 km (0.078 R)
• M9: 6,936,255 km (0.081 R)
• M10: 8,641,072 km (0.103 R)
• M11: 10,527,352 km (0.085 R)
• M12: 11,284,766 km (0.12 R)
• M13: 11,809,705 km (0.096 R)
• M14: 13,337,398 km (0.032 R)
• M15: 14,733,894 km (0.036 R)
• M16: 15,202,734 km (0.11 R)
• M17: 17,121,775 km (0.084 R)
• M18: 17,991,837 km (0.101 R)
• M19: 18,830,183 km (0.11 R)
• M20: 19,382,648 km (0.088 R)
• M21: 20,072,743 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.6

Radius: 9.5

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.65 AU - 4.33 AU

Year: 5146 Days

Day: 13.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,002,826 km

• M1: 121,025 km (0.086 R)
• M2: 452,683 km (0.112 R)
• M3: 861,235 km (0.113 R)
• M4: 1,440,627 km (0.118 R)
• M5: 2,421,092 km (0.114 R)
• M6: 3,655,873 km (0.074 R)
• M7: 3,979,752 km (0.107 R)
• M8: 4,995,372 km (0.12 R)
• M9: 5,318,803 km (0.111 R)
• M10: 5,629,667 km (0.093 R)
• M11: 6,259,773 km (0.119 R)
• M12: 6,845,299 km (0.071 R)
• M13: 7,308,006 km (0.094 R)
• M14: 8,434,328 km (0.104 R)
• M15: 8,894,341 km (0.099 R)
• M16: 11,707,829 km (0.091 R)
• M17: 13,387,065 km (0.036 R)
• M18: 14,963,976 km (0.106 R)
• M19: 16,225,385 km (0.107 R)
• M20: 17,442,513 km (0.111 R)
• M21: 19,381,003 km (0.118 R)
• M22: 20,942,206 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.9

Radius: 7

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.97 AU - 7.23 AU

Year: 12215 Days

Day: 22.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,002,826 km

• M1: 87,515 km (0.107 R)
• M2: 559,496 km (0.077 R)
• M3: 828,323 km (0.096 R)
• M4: 1,083,388 km (0.116 R)
• M5: 1,681,630 km (0.077 R)
• M6: 2,366,788 km (0.062 R)
• M7: 3,711,374 km (0.086 R)
• M8: 6,342,501 km (0.096 R)
• M9: 7,469,122 km (0.111 R)
• M10: 8,632,695 km (0.083 R)
• M11: 9,046,034 km (0.107 R)
• M12: 12,725,393 km (0.11 R)
• M13: 14,505,010 km (0.063 R)
• M14: 16,795,353 km (0.111 R)
• M15: 23,113,320 km (0.107 R)
• M16: 31,064,746 km (0.106 R)
• M17: 31,385,932 km (0.064 R)
• M18: 35,066,788 km (0.077 R)
• M19: 36,236,494 km (0.118 R)
• M20: 36,592,537 km (0.071 R)
• M21: 36,950,824 km (0.035 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.5

Radius: 6.7

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.57 AU - 10.01 AU

Year: 19778 Days

Day: 20.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,002,826 km

• M1: 83,326 km (0.093 R)
• M2: 306,526 km (0.076 R)
• M3: 520,750 km (0.093 R)
• M4: 1,544,748 km (0.062 R)
• M5: 1,903,184 km (0.089 R)
• M6: 2,630,379 km (0.116 R)
• M7: 3,889,545 km (0.069 R)
• M8: 4,335,047 km (0.117 R)
• M9: 4,947,800 km (0.069 R)
• M10: 8,220,253 km (0.035 R)
• M11: 11,005,766 km (0.054 R)
• M12: 14,572,179 km (0.055 R)
• M13: 15,281,123 km (0.095 R)
• M14: 18,675,649 km (0.062 R)
• M15: 23,393,068 km (0.075 R)
• M16: 24,167,835 km (0.099 R)
• M17: 24,859,725 km (0.077 R)
• M18: 26,594,761 km (0.105 R)
• M19: 42,182,560 km (0.061 R)
• M20: 43,184,866 km (0.1 R)
• M21: 50,971,585 km (0.055 R)
• M22: 54,264,384 km (0.086 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 13,886 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit