🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.99 AU - 1.55 AU

Year: 510 Days

Day: 21.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 24.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 48,757,420 km

• M1: 575,802 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.6

Radius: 12.6

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.7 AU - 7.6 AU

Year: 5436 Days

Day: 14.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,757,420 km

• M1: 159,172 km (0.12 R)
• M2: 876,943 km (0.051 R)
• M3: 1,584,391 km (0.073 R)
• M4: 2,562,163 km (0.055 R)
• M5: 4,582,332 km (0.103 R)
• M6: 4,974,877 km (0.101 R)
• M7: 5,418,584 km (0.092 R)
• M8: 9,142,823 km (0.114 R)
• M9: 9,811,227 km (0.117 R)
• M10: 11,964,838 km (0.116 R)
• M11: 12,765,186 km (0.096 R)
• M12: 14,528,197 km (0.117 R)
• M13: 15,150,524 km (0.1 R)
• M14: 15,849,595 km (0.104 R)
• M15: 16,267,272 km (0.067 R)
• M16: 18,664,429 km (0.08 R)
• M17: 22,091,566 km (0.115 R)
• M18: 23,992,507 km (0.091 R)
• M19: 24,862,418 km (0.075 R)
• M20: 25,917,682 km (0.046 R)
• M21: 27,087,238 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941

Radius: 12.3

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.33 AU - 7.49 AU

Year: 5785 Days

Day: 12 Hours

Environment

Temp: -151 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,757,420 km

• M1: 153,039 km (0.084 R)
• M2: 830,867 km (0.107 R)
• M3: 1,652,608 km (0.103 R)
• M4: 2,824,258 km (0.107 R)
• M5: 3,833,146 km (0.087 R)
• M6: 4,278,350 km (0.085 R)
• M7: 5,514,327 km (0.085 R)
• M8: 6,450,959 km (0.114 R)
• M9: 7,120,111 km (0.076 R)
• M10: 7,604,359 km (0.086 R)
• M11: 9,104,078 km (0.04 R)
• M12: 10,317,017 km (0.116 R)
• M13: 10,938,148 km (0.101 R)
• M14: 11,432,718 km (0.119 R)
• M15: 11,839,175 km (0.11 R)
• M16: 15,447,626 km (0.098 R)
• M17: 17,169,048 km (0.11 R)
• M18: 20,614,437 km (0.099 R)
• M19: 21,600,736 km (0.095 R)
• M20: 22,697,737 km (0.094 R)
• M21: 23,913,818 km (0.065 R)
• M22: 25,258,553 km (0.097 R)
• M23: 30,362,833 km (0.1 R)
• M24: 31,144,182 km (0.116 R)
• M25: 32,240,136 km (0.033 R)
• M26: 32,848,850 km (0.095 R)
• M27: 33,465,044 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.2

Radius: 11

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.89 AU - 8.71 AU

Year: 7030 Days

Day: 5.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,757,420 km

• M1: 136,732 km (0.077 R)
• M2: 482,304 km (0.09 R)
• M3: 872,156 km (0.041 R)
• M4: 1,233,285 km (0.027 R)
• M5: 1,934,899 km (0.054 R)
• M6: 2,670,771 km (0.095 R)
• M7: 3,281,728 km (0.052 R)
• M8: 5,033,520 km (0.098 R)
• M9: 5,511,784 km (0.069 R)
• M10: 6,394,411 km (0.069 R)
• M11: 7,160,352 km (0.079 R)
• M12: 8,340,829 km (0.057 R)
• M13: 8,739,358 km (0.104 R)
• M14: 9,396,392 km (0.076 R)
• M15: 10,770,149 km (0.091 R)
• M16: 13,546,237 km (0.097 R)
• M17: 14,712,352 km (0.115 R)
• M18: 15,642,402 km (0.075 R)
• M19: 18,951,058 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.2

Radius: 9.7

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.33 AU - 9.05 AU

Year: 9131 Days

Day: 12.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,757,420 km

• M1: 120,875 km (0.073 R)
• M2: 439,219 km (0.088 R)
• M3: 1,035,965 km (0.112 R)
• M4: 1,675,197 km (0.117 R)
• M5: 2,099,756 km (0.03 R)
• M6: 3,317,632 km (0.039 R)
• M7: 3,749,970 km (0.105 R)
• M8: 4,245,438 km (0.099 R)
• M9: 6,063,351 km (0.07 R)
• M10: 7,293,046 km (0.09 R)
• M11: 9,152,248 km (0.036 R)
• M12: 9,913,252 km (0.118 R)
• M13: 11,009,057 km (0.109 R)
• M14: 11,921,604 km (0.071 R)
• M15: 13,327,674 km (0.089 R)
• M16: 13,724,557 km (0.119 R)
• M17: 14,661,040 km (0.119 R)
• M18: 15,514,945 km (0.069 R)
• M19: 16,081,173 km (0.048 R)
• M20: 17,455,977 km (0.118 R)
• M21: 18,206,659 km (0.102 R)
• M22: 19,336,722 km (0.047 R)
• M23: 20,965,992 km (0.113 R)
• M24: 21,970,691 km (0.035 R)
• M25: 23,007,255 km (0.107 R)
• M26: 23,661,147 km (0.096 R)
• M27: 25,177,621 km (0.114 R)
• M28: 26,135,646 km (0.106 R)
• M29: 26,757,823 km (0.097 R)
• M30: 28,496,450 km (0.056 R)
• M31: 33,952,434 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.2

Radius: 13.2

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 9.98 AU - 14.48 AU

Year: 15245 Days

Day: 6.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,757,420 km

• M1: 165,156 km (0.087 R)
• M2: 896,390 km (0.06 R)
• M3: 1,312,871 km (0.082 R)
• M4: 1,726,808 km (0.115 R)
• M5: 2,393,716 km (0.064 R)
• M6: 2,851,635 km (0.086 R)
• M7: 3,687,737 km (0.104 R)
• M8: 7,357,672 km (0.103 R)
• M9: 10,348,582 km (0.049 R)
• M10: 11,139,805 km (0.093 R)
• M11: 12,547,671 km (0.071 R)
• M12: 13,022,345 km (0.09 R)
• M13: 13,632,704 km (0.083 R)
• M14: 15,242,078 km (0.06 R)
• M15: 16,903,213 km (0.077 R)
• M16: 18,758,675 km (0.048 R)
• M17: 19,223,626 km (0.059 R)
• M18: 22,871,270 km (0.103 R)
• M19: 23,670,572 km (0.079 R)
• M20: 26,663,876 km (0.037 R)
• M21: 27,153,510 km (0.105 R)
• M22: 27,648,978 km (0.098 R)
• M23: 28,150,430 km (0.118 R)
• M24: 30,217,573 km (0.119 R)
• M25: 40,011,895 km (0.086 R)
• M26: 41,433,374 km (0.12 R)
• M27: 44,103,696 km (0.05 R)
• M28: 44,926,634 km (0.086 R)
• M29: 48,176,648 km (0.052 R)

Kuiper Belt

Range: 30.8 - 58.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 18,556 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit