🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.8

Radius: 14.2

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.54 AU - 0.9 AU

Year: 414 Days

Day: 6.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,898,288 km

• M1: 176,525 km (0.11 R)
• M2: 1,081,144 km (0.117 R)
• M3: 1,577,210 km (0.102 R)
• M4: 2,085,843 km (0.104 R)
• M5: 2,789,252 km (0.062 R)
• M6: 3,335,883 km (0.066 R)
• M7: 4,661,320 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.9

Radius: 10.6

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.16 AU - 1.36 AU

Year: 959 Days

Day: 5.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,898,288 km

• M1: 131,796 km (0.115 R)
• M2: 477,217 km (0.095 R)
• M3: 1,142,329 km (0.08 R)
• M4: 1,918,443 km (0.118 R)
• M5: 2,305,453 km (0.118 R)
• M6: 2,871,830 km (0.1 R)
• M7: 3,515,400 km (0.091 R)
• M8: 4,100,328 km (0.106 R)
• M9: 4,917,432 km (0.11 R)
• M10: 5,557,112 km (0.073 R)
• M11: 6,271,442 km (0.046 R)
• M12: 7,535,843 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.6

Radius: 12.6

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.07 AU - 1.57 AU

Year: 1029 Days

Day: 11.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,898,288 km

• M1: 156,779 km (0.101 R)
• M2: 577,149 km (0.118 R)
• M3: 1,190,500 km (0.089 R)
• M4: 1,608,626 km (0.039 R)
• M5: 2,106,488 km (0.096 R)
• M6: 2,854,926 km (0.119 R)
• M7: 3,390,486 km (0.103 R)
• M8: 4,008,625 km (0.099 R)
• M9: 4,700,664 km (0.098 R)
• M10: 5,490,990 km (0.096 R)
• M11: 5,981,222 km (0.1 R)
• M12: 8,189,735 km (0.08 R)
• M13: 9,221,063 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.5

Radius: 10.4

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.3 AU - 1.4 AU

Year: 1064 Days

Day: 9.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 23,898,288 km

• M1: 129,552 km (0.052 R)
• M2: 731,833 km (0.06 R)
• M3: 1,102,237 km (0.098 R)
• M4: 1,880,296 km (0.089 R)
• M5: 2,512,197 km (0.113 R)
• M6: 3,088,298 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.9

Radius: 11.4

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.25 AU - 1.47 AU

Year: 1076 Days

Day: 5.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 91.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,898,288 km

• M1: 141,819 km (0.112 R)
• M2: 707,897 km (0.036 R)
• M3: 1,104,780 km (0.079 R)
• M4: 1,611,319 km (0.1 R)
• M5: 2,143,737 km (0.069 R)
• M6: 2,573,831 km (0.112 R)
• M7: 3,320,923 km (0.106 R)
• M8: 4,273,712 km (0.106 R)
• M9: 5,782,257 km (0.077 R)
• M10: 6,533,837 km (0.114 R)
• M11: 7,744,383 km (0.098 R)
• M12: 8,657,827 km (0.095 R)
• M13: 9,439,177 km (0.095 R)

Asteroid Belt

Center: 2.22 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.1

Radius: 9.3

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.68 AU - 3.46 AU

Year: 3648 Days

Day: 13.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,898,288 km

• M1: 115,639 km (0.115 R)
• M2: 421,118 km (0.074 R)
• M3: 1,038,658 km (0.104 R)
• M4: 1,405,322 km (0.092 R)
• M5: 1,791,135 km (0.084 R)
• M6: 2,763,671 km (0.112 R)
• M7: 3,622,064 km (0.116 R)
• M8: 4,273,114 km (0.117 R)
• M9: 5,610,070 km (0.088 R)
• M10: 6,164,180 km (0.095 R)
• M11: 6,949,868 km (0.113 R)
• M12: 8,299,091 km (0.056 R)
• M13: 9,120,234 km (0.086 R)
• M14: 10,359,353 km (0.065 R)
• M15: 10,657,652 km (0.049 R)
• M16: 12,570,111 km (0.11 R)
• M17: 12,867,062 km (0.059 R)
• M18: 13,430,747 km (0.08 R)
• M19: 14,238,426 km (0.1 R)
• M20: 15,999,791 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.1

Radius: 9.9

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.43 AU - 3.85 AU

Year: 3774 Days

Day: 14.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,898,288 km

• M1: 123,119 km (0.084 R)
• M2: 545,883 km (0.078 R)
• M3: 916,885 km (0.1 R)
• M4: 1,376,899 km (0.056 R)
• M5: 1,702,573 km (0.073 R)
• M6: 2,204,175 km (0.05 R)
• M7: 2,591,484 km (0.099 R)
• M8: 3,295,491 km (0.08 R)
• M9: 3,825,367 km (0.028 R)
• M10: 4,785,935 km (0.11 R)
• M11: 5,599,598 km (0.045 R)
• M12: 6,268,450 km (0.076 R)
• M13: 6,622,249 km (0.104 R)
• M14: 7,178,155 km (0.115 R)
• M15: 10,642,393 km (0.111 R)
• M16: 12,387,601 km (0.062 R)
• M17: 15,351,135 km (0.112 R)
• M18: 16,325,167 km (0.026 R)
• M19: 20,187,185 km (0.081 R)
• M20: 21,889,310 km (0.074 R)
• M21: 23,755,992 km (0.046 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 10,542 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit