🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.1

Radius: 11

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.75 AU - 0.91 AU

Year: 522 Days

Day: 10.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,736,847 km

• M1: 136,732 km (0.082 R)
• M2: 626,516 km (0.085 R)
• M3: 1,143,077 km (0.081 R)
• M4: 1,949,559 km (0.063 R)
• M5: 3,101,164 km (0.093 R)
• M6: 3,450,176 km (0.096 R)
• M7: 3,884,758 km (0.113 R)
• M8: 4,420,617 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.5

Radius: 10.6

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.1 AU - 1.4 AU

Year: 965 Days

Day: 11.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,736,847 km

• M1: 133,591 km (0.092 R)
• M2: 545,733 km (0.091 R)
• M3: 972,087 km (0.1 R)
• M4: 1,415,944 km (0.043 R)
• M5: 1,828,834 km (0.078 R)
• M6: 2,244,566 km (0.12 R)
• M7: 2,811,542 km (0.089 R)
• M8: 3,698,658 km (0.082 R)
• M9: 4,457,119 km (0.113 R)
• M10: 5,316,110 km (0.079 R)
• M11: 6,040,912 km (0.109 R)
• M12: 6,760,029 km (0.088 R)
• M13: 7,738,099 km (0.093 R)
• M14: 8,314,949 km (0.095 R)
• M15: 8,976,620 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.3

Radius: 10.8

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.66 AU - 2.08 AU

Year: 1765 Days

Day: 12.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,736,847 km

• M1: 134,638 km (0.076 R)
• M2: 568,173 km (0.073 R)
• M3: 937,979 km (0.08 R)
• M4: 1,348,924 km (0.047 R)
• M5: 1,935,946 km (0.094 R)
• M6: 2,952,015 km (0.081 R)
• M7: 3,483,985 km (0.107 R)
• M8: 4,003,538 km (0.049 R)
• M9: 4,741,056 km (0.114 R)
• M10: 5,311,622 km (0.107 R)
• M11: 5,902,982 km (0.057 R)
• M12: 6,433,307 km (0.094 R)
• M13: 7,245,623 km (0.114 R)
• M14: 7,854,038 km (0.111 R)
• M15: 8,559,242 km (0.109 R)
• M16: 8,943,559 km (0.119 R)
• M17: 9,440,224 km (0.119 R)
• M18: 9,955,140 km (0.096 R)
• M19: 11,420,451 km (0.107 R)
• M20: 11,847,553 km (0.081 R)
• M21: 12,651,342 km (0.066 R)
• M22: 14,323,099 km (0.103 R)
• M23: 15,753,254 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.9

Radius: 13.7

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.6 AU - 2.18 AU

Year: 1794 Days

Day: 9.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,736,847 km

• M1: 170,542 km (0.114 R)
• M2: 638,484 km (0.049 R)
• M3: 1,113,756 km (0.106 R)
• M4: 1,989,951 km (0.116 R)
• M5: 2,867,342 km (0.101 R)
• M6: 3,404,249 km (0.107 R)
• M7: 3,989,326 km (0.071 R)
• M8: 4,456,371 km (0.088 R)
• M9: 5,501,910 km (0.057 R)
• M10: 6,057,966 km (0.069 R)
• M11: 6,812,687 km (0.042 R)
• M12: 7,483,783 km (0.116 R)
• M13: 8,415,778 km (0.09 R)
• M14: 10,620,102 km (0.034 R)
• M15: 12,114,436 km (0.086 R)
• M16: 13,832,268 km (0.114 R)
• M17: 16,140,713 km (0.117 R)
• M18: 16,780,692 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.8

Radius: 11.6

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.81 AU - 2.79 AU

Year: 2408 Days

Day: 15 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,736,847 km

• M1: 144,512 km (0.08 R)
• M2: 610,060 km (0.092 R)
• M3: 1,295,218 km (0.084 R)
• M4: 1,762,413 km (0.057 R)
• M5: 2,650,874 km (0.119 R)
• M6: 3,161,153 km (0.083 R)
• M7: 5,130,010 km (0.112 R)
• M8: 5,518,516 km (0.076 R)
• M9: 6,470,258 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.5

Radius: 13.5

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.74 AU - 5.5 AU

Year: 6854 Days

Day: 14.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,736,847 km

• M1: 167,998 km (0.074 R)
• M2: 735,423 km (0.063 R)
• M3: 1,758,822 km (0.062 R)
• M4: 2,949,771 km (0.056 R)
• M5: 4,032,111 km (0.084 R)
• M6: 4,511,273 km (0.052 R)
• M7: 5,179,228 km (0.087 R)
• M8: 6,080,555 km (0.116 R)
• M9: 7,235,899 km (0.111 R)
• M10: 8,153,234 km (0.075 R)
• M11: 9,282,099 km (0.063 R)
• M12: 9,790,133 km (0.041 R)
• M13: 10,963,130 km (0.091 R)
• M14: 12,010,465 km (0.087 R)
• M15: 14,487,207 km (0.11 R)
• M16: 22,096,054 km (0.075 R)
• M17: 22,920,339 km (0.112 R)
• M18: 23,594,427 km (0.056 R)
• M19: 27,352,774 km (0.099 R)
• M20: 28,496,001 km (0.108 R)
• M21: 30,169,702 km (0.032 R)
• M22: 33,388,898 km (0.096 R)
• M23: 35,359,850 km (0.088 R)
• M24: 36,033,639 km (0.099 R)
• M25: 37,060,479 km (0.066 R)
• M26: 39,172,651 km (0.108 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 14,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit