🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126

Radius: 9.6

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.75 AU - 0.79 AU

Year: 430 Days

Day: 8.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,643,064 km

• M1: 124,017 km (0.103 R)
• M2: 372,200 km (0.088 R)
• M3: 572,810 km (0.08 R)
• M4: 997,967 km (0.049 R)
• M5: 1,189,153 km (0.053 R)
• M6: 1,403,228 km (0.105 R)
• M7: 1,588,580 km (0.068 R)
• M8: 1,800,261 km (0.089 R)
• M9: 2,031,090 km (0.113 R)
• M10: 2,389,078 km (0.077 R)
• M11: 2,656,260 km (0.074 R)
• M12: 2,950,369 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.9

Radius: 12.2

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.99 AU - 1.53 AU

Year: 899 Days

Day: 8.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,643,064 km

• M1: 167,699 km (0.112 R)
• M2: 561,142 km (0.069 R)
• M3: 796,010 km (0.062 R)
• M4: 1,197,980 km (0.105 R)
• M5: 1,440,478 km (0.088 R)
• M6: 2,020,170 km (0.05 R)
• M7: 2,401,495 km (0.103 R)
• M8: 2,773,395 km (0.102 R)
• M9: 3,032,050 km (0.103 R)
• M10: 3,393,029 km (0.074 R)
• M11: 3,731,719 km (0.093 R)
• M12: 4,069,212 km (0.065 R)
• M13: 4,421,814 km (0.047 R)
• M14: 4,858,939 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847

Radius: 11.7

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.3 AU - 1.58 AU

Year: 1099 Days

Day: 14.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,643,064 km

• M1: 167,101 km (0.084 R)
• M2: 394,041 km (0.09 R)
• M3: 649,853 km (0.051 R)
• M4: 873,951 km (0.096 R)
• M5: 1,614,460 km (0.092 R)
• M6: 2,076,418 km (0.087 R)
• M7: 2,433,060 km (0.083 R)
• M8: 2,797,630 km (0.082 R)
• M9: 3,082,913 km (0.094 R)
• M10: 3,787,818 km (0.087 R)
• M11: 4,327,866 km (0.12 R)
• M12: 4,964,854 km (0.087 R)
• M13: 5,362,485 km (0.055 R)
• M14: 6,425,378 km (0.073 R)
• M15: 6,649,775 km (0.09 R)
• M16: 7,200,894 km (0.082 R)
• M17: 7,457,155 km (0.095 R)
• M18: 7,831,000 km (0.069 R)
• M19: 9,545,242 km (0.096 R)
• M20: 9,840,548 km (0.096 R)
• M21: 10,335,717 km (0.094 R)
• M22: 10,932,762 km (0.076 R)
• M23: 11,203,534 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.6

Radius: 10.2

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.67 AU - 2.01 AU

Year: 1587 Days

Day: 7.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,643,064 km

• M1: 171,290 km (0.093 R)
• M2: 397,033 km (0.076 R)
• M3: 716,723 km (0.078 R)
• M4: 990,936 km (0.064 R)
• M5: 1,197,980 km (0.063 R)
• M6: 1,536,221 km (0.085 R)
• M7: 2,041,861 km (0.116 R)
• M8: 2,450,413 km (0.109 R)
• M9: 3,583,467 km (0.08 R)
• M10: 3,949,683 km (0.083 R)
• M11: 4,276,854 km (0.117 R)
• M12: 4,469,835 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.9

Radius: 11.2

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.73 AU - 3.81 AU

Year: 3760 Days

Day: 8.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 60.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,643,064 km

• M1: 139,575 km (0.097 R)
• M2: 459,415 km (0.117 R)
• M3: 785,688 km (0.103 R)
• M4: 1,056,759 km (0.107 R)
• M5: 1,678,787 km (0.103 R)
• M6: 2,154,209 km (0.071 R)
• M7: 2,970,116 km (0.097 R)
• M8: 3,493,260 km (0.093 R)
• M9: 3,943,849 km (0.057 R)
• M10: 4,239,753 km (0.119 R)
• M11: 4,567,672 km (0.075 R)
• M12: 5,127,467 km (0.085 R)
• M13: 5,488,447 km (0.09 R)
• M14: 5,743,960 km (0.109 R)
• M15: 6,723,377 km (0.071 R)
• M16: 7,455,808 km (0.107 R)
• M17: 7,864,061 km (0.099 R)
• M18: 10,228,754 km (0.113 R)
• M19: 11,429,128 km (0.106 R)
• M20: 12,908,800 km (0.074 R)
• M21: 13,194,233 km (0.063 R)
• M22: 13,446,455 km (0.092 R)
• M23: 14,143,282 km (0.073 R)
• M24: 14,858,061 km (0.083 R)
• M25: 17,644,470 km (0.032 R)
• M26: 19,258,183 km (0.068 R)
• M27: 20,269,464 km (0.067 R)
• M28: 20,672,331 km (0.042 R)
• M29: 21,719,816 km (0.068 R)
• M30: 22,230,094 km (0.102 R)
• M31: 22,604,837 km (0.113 R)
• M32: 23,173,009 km (0.078 R)
• M33: 24,722,694 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.9

Radius: 14

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.65 AU - 4.37 AU

Year: 5106 Days

Day: 5.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,643,064 km

• M1: 202,855 km (0.08 R)
• M2: 588,219 km (0.107 R)
• M3: 1,500,317 km (0.104 R)
• M4: 2,462,979 km (0.102 R)
• M5: 2,966,227 km (0.117 R)
• M6: 3,602,466 km (0.087 R)
• M7: 4,033,308 km (0.088 R)
• M8: 4,304,080 km (0.074 R)
• M9: 5,121,034 km (0.03 R)
• M10: 6,343,548 km (0.095 R)
• M11: 9,919,386 km (0.109 R)
• M12: 11,079,817 km (0.106 R)
• M13: 11,455,906 km (0.066 R)
• M14: 12,305,472 km (0.096 R)
• M15: 13,267,686 km (0.092 R)
• M16: 17,671,697 km (0.11 R)
• M17: 18,580,504 km (0.103 R)
• M18: 19,861,361 km (0.049 R)
• M19: 20,467,233 km (0.06 R)
• M20: 22,286,343 km (0.065 R)
• M21: 22,766,702 km (0.072 R)
• M22: 23,197,992 km (0.116 R)
• M23: 24,017,789 km (0.079 R)
• M24: 24,516,548 km (0.057 R)
• M25: 25,986,347 km (0.115 R)
• M26: 28,632,135 km (0.084 R)
• M27: 28,934,173 km (0.099 R)
• M28: 29,911,047 km (0.086 R)
• M29: 30,841,695 km (0.09 R)
• M30: 31,407,026 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.6

Radius: 3.6

Gravity: 21.65 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 8.65 AU - 13.09 AU

Year: 22786 Days

Day: 17.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,643,064 km

• M1: 46,974 km (0.072 R)
• M2: 1,118,094 km (0.069 R)
• M3: 2,459,688 km (0.104 R)
• M4: 4,737,017 km (0.082 R)
• M5: 5,551,727 km (0.059 R)
• M6: 5,662,728 km (0.059 R)
• M7: 6,431,512 km (0.103 R)
• M8: 7,633,680 km (0.082 R)
• M9: 7,983,590 km (0.091 R)
• M10: 8,432,084 km (0.073 R)
• M11: 9,607,026 km (0.057 R)
• M12: 9,900,537 km (0.119 R)
• M13: 10,399,446 km (0.075 R)
• M14: 11,170,922 km (0.105 R)
• M15: 12,407,797 km (0.104 R)
• M16: 14,060,105 km (0.096 R)
• M17: 17,087,518 km (0.079 R)
• M18: 19,500,232 km (0.103 R)
• M19: 24,029,607 km (0.109 R)
• M20: 33,412,385 km (0.108 R)
• M21: 46,990,636 km (0.09 R)
• M22: 48,617,662 km (0.084 R)
• M23: 51,729,149 km (0.071 R)
• M24: 52,408,472 km (0.062 R)
• M25: 56,577,466 km (0.035 R)
• M26: 58,721,802 km (0.094 R)
• M27: 60,051,876 km (0.069 R)
• M28: 60,783,709 km (0.116 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 15,643 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit