🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.4

Radius: 9.6

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.77 AU - 1.03 AU

Year: 569 Days

Day: 12.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,018,025 km

• M1: 119,379 km (0.072 R)
• M2: 552,016 km (0.114 R)
• M3: 917,633 km (0.12 R)
• M4: 1,291,478 km (0.095 R)
• M5: 1,630,318 km (0.076 R)
• M6: 1,960,779 km (0.091 R)
• M7: 2,552,140 km (0.062 R)
• M8: 2,912,222 km (0.082 R)
• M9: 3,342,764 km (0.114 R)
• M10: 3,657,219 km (0.113 R)
• M11: 4,660,871 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.5

Radius: 9.4

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.41 AU - 1.93 AU

Year: 1439 Days

Day: 12.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,018,025 km

• M1: 117,434 km (0.069 R)
• M2: 618,587 km (0.065 R)
• M3: 970,741 km (0.118 R)
• M4: 1,387,670 km (0.071 R)
• M5: 1,713,195 km (0.096 R)
• M6: 2,044,405 km (0.094 R)
• M7: 2,535,534 km (0.11 R)
• M8: 3,600,372 km (0.111 R)
• M9: 4,057,393 km (0.059 R)
• M10: 4,415,381 km (0.094 R)
• M11: 4,753,472 km (0.05 R)
• M12: 5,130,459 km (0.072 R)
• M13: 5,896,998 km (0.037 R)
• M14: 6,357,610 km (0.064 R)
• M15: 6,712,157 km (0.086 R)
• M16: 7,026,612 km (0.047 R)
• M17: 8,384,213 km (0.09 R)
• M18: 8,842,281 km (0.05 R)
• M19: 11,461,590 km (0.103 R)
• M20: 12,141,363 km (0.039 R)
• M21: 13,374,648 km (0.114 R)
• M22: 14,256,378 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.4

Radius: 8.1

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.68 AU - 1.86 AU

Year: 1570 Days

Day: 14.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 141.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,018,025 km

• M1: 100,829 km (0.057 R)
• M2: 507,436 km (0.069 R)
• M3: 873,801 km (0.037 R)
• M4: 1,421,180 km (0.082 R)
• M5: 1,687,464 km (0.078 R)
• M6: 2,834,281 km (0.118 R)
• M7: 3,184,789 km (0.084 R)
• M8: 3,713,767 km (0.083 R)
• M9: 4,244,241 km (0.07 R)
• M10: 5,500,115 km (0.111 R)
• M11: 7,519,537 km (0.083 R)
• M12: 8,907,207 km (0.113 R)
• M13: 9,373,803 km (0.118 R)
• M14: 9,661,629 km (0.098 R)
• M15: 9,922,378 km (0.05 R)
• M16: 10,254,934 km (0.112 R)
• M17: 11,083,407 km (0.083 R)
• M18: 11,623,455 km (0.1 R)
• M19: 12,756,061 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.2

Radius: 9.8

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.25 AU - 4.49 AU

Year: 5077 Days

Day: 7.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,018,025 km

• M1: 156,928 km (0.037 R)
• M2: 475,871 km (0.054 R)
• M3: 797,955 km (0.066 R)
• M4: 1,124,228 km (0.1 R)
• M5: 1,632,861 km (0.12 R)
• M6: 2,085,843 km (0.096 R)
• M7: 2,844,753 km (0.033 R)
• M8: 3,330,946 km (0.065 R)
• M9: 3,967,336 km (0.099 R)
• M10: 4,704,554 km (0.057 R)
• M11: 5,578,953 km (0.112 R)
• M12: 5,901,786 km (0.115 R)
• M13: 6,342,800 km (0.094 R)
• M14: 7,468,075 km (0.106 R)
• M15: 8,140,967 km (0.092 R)
• M16: 8,987,840 km (0.104 R)
• M17: 10,182,678 km (0.099 R)
• M18: 10,894,764 km (0.051 R)
• M19: 14,586,092 km (0.101 R)
• M20: 15,105,495 km (0.118 R)
• M21: 15,932,323 km (0.102 R)
• M22: 17,307,127 km (0.108 R)
• M23: 17,729,292 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.3

Radius: 12.8

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.21 AU - 5.51 AU

Year: 7145 Days

Day: 6.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,018,025 km

• M1: 159,771 km (0.103 R)
• M2: 696,079 km (0.118 R)
• M3: 1,164,171 km (0.11 R)
• M4: 1,562,849 km (0.073 R)
• M5: 2,182,035 km (0.099 R)
• M6: 3,608,151 km (0.036 R)
• M7: 5,040,850 km (0.103 R)
• M8: 5,837,608 km (0.093 R)
• M9: 9,345,379 km (0.111 R)
• M10: 16,931,188 km (0.11 R)
• M11: 17,534,965 km (0.113 R)
• M12: 19,071,335 km (0.118 R)
• M13: 19,798,680 km (0.11 R)
• M14: 24,899,219 km (0.107 R)
• M15: 30,616,551 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.1

Radius: 3.2

Gravity: 14.85 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.48 AU - 6.26 AU

Year: 9484 Days

Day: 15.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,018,025 km

• M1: 82,279 km (0.114 R)
• M2: 197,619 km (0.042 R)
• M3: 602,879 km (0.111 R)
• M4: 1,178,682 km (0.071 R)
• M5: 1,468,453 km (0.103 R)
• M6: 2,521,921 km (0.095 R)
• M7: 2,692,612 km (0.083 R)
• M8: 6,484,469 km (0.101 R)
• M9: 8,342,026 km (0.03 R)
• M10: 9,071,914 km (0.083 R)
• M11: 9,190,994 km (0.063 R)
• M12: 9,472,687 km (0.095 R)
• M13: 10,095,911 km (0.097 R)
• M14: 12,418,718 km (0.104 R)
• M15: 14,257,425 km (0.075 R)
• M16: 15,864,555 km (0.115 R)
• M17: 15,979,596 km (0.053 R)
• M18: 17,040,693 km (0.048 R)
• M19: 27,850,486 km (0.115 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: 327 - 16,213 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit