🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424

Radius: 14

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.44 AU - 0.64 AU

Year: 279 Days

Day: 12.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,225,985 km

• M1: 174,581 km (0.089 R)
• M2: 613,950 km (0.115 R)
• M3: 1,149,061 km (0.098 R)
• M4: 1,691,802 km (0.106 R)
• M5: 2,260,125 km (0.067 R)
• M6: 2,700,092 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.8

Radius: 11.1

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.07 AU - 1.17 AU

Year: 833 Days

Day: 10.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,225,985 km

• M1: 138,228 km (0.111 R)
• M2: 756,816 km (0.038 R)
• M3: 1,241,812 km (0.079 R)
• M4: 1,652,009 km (0.096 R)
• M5: 2,011,942 km (0.118 R)
• M6: 2,499,032 km (0.111 R)
• M7: 3,088,897 km (0.038 R)
• M8: 3,518,392 km (0.099 R)
• M9: 4,323,827 km (0.105 R)
• M10: 4,966,201 km (0.119 R)
• M11: 5,862,591 km (0.069 R)
• M12: 6,842,008 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.2

Radius: 10

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.78 AU - 2.06 AU

Year: 1870 Days

Day: 8.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,225,985 km

• M1: 124,316 km (0.038 R)
• M2: 638,783 km (0.103 R)
• M3: 1,139,936 km (0.118 R)
• M4: 1,499,419 km (0.12 R)
• M5: 1,967,661 km (0.063 R)
• M6: 4,991,632 km (0.078 R)
• M7: 5,312,220 km (0.045 R)
• M8: 5,623,982 km (0.1 R)
• M9: 6,259,773 km (0.12 R)
• M10: 6,760,926 km (0.104 R)
• M11: 7,872,438 km (0.097 R)
• M12: 8,637,931 km (0.043 R)
• M13: 9,811,825 km (0.083 R)
• M14: 14,437,242 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.9

Radius: 11.1

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.2 AU - 2.24 AU

Year: 2325 Days

Day: 12.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,225,985 km

• M1: 138,528 km (0.071 R)
• M2: 657,483 km (0.063 R)
• M3: 1,868,627 km (0.091 R)
• M4: 2,455,200 km (0.11 R)
• M5: 3,902,260 km (0.11 R)
• M6: 4,626,314 km (0.107 R)
• M7: 5,928,264 km (0.109 R)
• M8: 6,719,338 km (0.072 R)
• M9: 7,430,975 km (0.106 R)
• M10: 8,738,909 km (0.112 R)
• M11: 9,869,869 km (0.073 R)
• M12: 11,134,570 km (0.1 R)
• M13: 11,725,631 km (0.059 R)
• M14: 12,927,650 km (0.083 R)
• M15: 13,758,666 km (0.026 R)
• M16: 15,819,676 km (0.112 R)
• M17: 17,285,735 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.2

Radius: 14.5

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.66 AU - 3.08 AU

Year: 3418 Days

Day: 7.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,225,985 km

• M1: 181,911 km (0.088 R)
• M2: 659,128 km (0.102 R)
• M3: 1,140,235 km (0.071 R)
• M4: 2,055,026 km (0.115 R)
• M5: 2,976,399 km (0.038 R)
• M6: 4,810,619 km (0.055 R)
• M7: 5,478,124 km (0.105 R)
• M8: 6,235,239 km (0.066 R)
• M9: 7,341,815 km (0.082 R)
• M10: 7,793,301 km (0.1 R)
• M11: 11,324,559 km (0.118 R)
• M12: 12,692,332 km (0.064 R)
• M13: 14,167,517 km (0.063 R)
• M14: 16,182,450 km (0.101 R)
• M15: 16,783,834 km (0.073 R)
• M16: 17,286,932 km (0.092 R)
• M17: 18,441,079 km (0.051 R)
• M18: 19,462,085 km (0.118 R)
• M19: 20,838,834 km (0.074 R)
• M20: 21,290,171 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.9

Radius: 14.5

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.49 AU - 5.73 AU

Year: 8120 Days

Day: 8.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,225,985 km

• M1: 180,265 km (0.055 R)
• M2: 670,647 km (0.085 R)
• M3: 1,314,965 km (0.084 R)
• M4: 2,401,046 km (0.073 R)
• M5: 3,400,509 km (0.052 R)
• M6: 3,918,417 km (0.09 R)
• M7: 5,177,732 km (0.07 R)
• M8: 6,145,780 km (0.118 R)
• M9: 7,430,825 km (0.105 R)
• M10: 8,397,377 km (0.099 R)
• M11: 9,782,055 km (0.098 R)
• M12: 10,427,570 km (0.104 R)
• M13: 12,026,023 km (0.085 R)
• M14: 17,800,052 km (0.097 R)
• M15: 18,688,215 km (0.076 R)
• M16: 29,264,036 km (0.12 R)
• M17: 30,501,510 km (0.084 R)
• M18: 31,988,961 km (0.115 R)
• M19: 33,859,683 km (0.042 R)
• M20: 36,152,569 km (0.08 R)
• M21: 37,938,918 km (0.117 R)
• M22: 38,915,492 km (0.108 R)
• M23: 39,534,229 km (0.12 R)
• M24: 41,173,672 km (0.116 R)
• M25: 43,121,287 km (0.08 R)
• M26: 44,051,038 km (0.109 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: 331 - 18,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit