🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.48 AU - 0.66 AU

Year: 155 Days

Day: 23.3 Hours

Environment

Temp: 231 °C

Axial Tilt: 11.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.63 AU - 0.89 AU

Year: 238 Days

Day: 37.8 Hours

Environment

Temp: 191 °C

Axial Tilt: 22.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 72,412,793 km

• M1: 187,446 km (0.106 R)
• M2: 399,277 km (0.076 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.6 AU - 2.36 AU

Year: 1003 Days

Day: 20.3 Hours

Environment

Temp: -52 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.4

Radius: 8.8

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.19 AU - 6.35 AU

Year: 4354 Days

Day: 11.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,412,793 km

• M1: 110,403 km (0.059 R)
• M2: 525,837 km (0.051 R)
• M3: 826,079 km (0.082 R)
• M4: 1,385,127 km (0.08 R)
• M5: 1,737,579 km (0.073 R)
• M6: 2,207,317 km (0.096 R)
• M7: 3,152,027 km (0.116 R)
• M8: 3,789,314 km (0.106 R)
• M9: 5,372,508 km (0.071 R)
• M10: 5,701,923 km (0.06 R)
• M11: 6,191,706 km (0.069 R)
• M12: 7,027,061 km (0.103 R)
• M13: 8,400,070 km (0.092 R)
• M14: 9,149,855 km (0.087 R)
• M15: 10,653,762 km (0.062 R)
• M16: 11,263,672 km (0.044 R)
• M17: 11,577,230 km (0.112 R)
• M18: 11,942,697 km (0.036 R)
• M19: 12,268,671 km (0.114 R)
• M20: 13,233,278 km (0.083 R)
• M21: 14,561,857 km (0.071 R)
• M22: 18,024,000 km (0.034 R)
• M23: 18,952,554 km (0.119 R)
• M24: 19,977,748 km (0.099 R)
• M25: 20,570,455 km (0.081 R)
• M26: 22,702,075 km (0.066 R)
• M27: 25,742,054 km (0.098 R)
• M28: 26,130,410 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.7

Radius: 10.4

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 9.29 AU - 15.07 AU

Year: 15298 Days

Day: 7.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,412,793 km

• M1: 132,544 km (0.048 R)
• M2: 533,017 km (0.029 R)
• M3: 897,138 km (0.096 R)
• M4: 1,332,319 km (0.039 R)
• M5: 1,828,684 km (0.076 R)
• M6: 2,426,627 km (0.088 R)
• M7: 2,782,520 km (0.111 R)
• M8: 3,478,450 km (0.111 R)
• M9: 4,631,101 km (0.077 R)
• M10: 5,025,292 km (0.104 R)
• M11: 6,832,584 km (0.092 R)
• M12: 8,270,369 km (0.086 R)
• M13: 10,817,572 km (0.041 R)
• M14: 13,057,052 km (0.113 R)
• M15: 13,539,505 km (0.083 R)
• M16: 13,909,161 km (0.039 R)
• M17: 18,432,702 km (0.098 R)
• M18: 21,189,790 km (0.085 R)
• M19: 21,604,775 km (0.084 R)
• M20: 24,939,311 km (0.086 R)
• M21: 25,402,167 km (0.094 R)
• M22: 28,400,857 km (0.084 R)
• M23: 29,007,476 km (0.043 R)
• M24: 36,025,112 km (0.097 R)
• M25: 37,335,290 km (0.056 R)
• M26: 43,027,340 km (0.065 R)
• M27: 43,693,499 km (0.109 R)
• M28: 46,287,526 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.3

Radius: 6.4

Gravity: 17.66 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 12.49 AU - 14.73 AU

Year: 18070 Days

Day: 21.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,412,793 km

• M1: 137,780 km (0.042 R)
• M2: 359,484 km (0.118 R)
• M3: 739,911 km (0.095 R)
• M4: 1,117,496 km (0.108 R)
• M5: 1,456,335 km (0.09 R)
• M6: 1,701,676 km (0.117 R)
• M7: 1,993,840 km (0.053 R)
• M8: 3,482,638 km (0.099 R)
• M9: 4,337,441 km (0.101 R)
• M10: 5,554,270 km (0.072 R)
• M11: 8,746,838 km (0.083 R)
• M12: 12,245,782 km (0.065 R)
• M13: 15,163,091 km (0.105 R)
• M14: 17,402,122 km (0.101 R)
• M15: 18,425,970 km (0.045 R)
• M16: 19,489,162 km (0.099 R)
• M17: 23,635,716 km (0.065 R)
• M18: 24,889,944 km (0.101 R)
• M19: 26,187,855 km (0.08 R)
• M20: 33,360,026 km (0.069 R)
• M21: 36,561,420 km (0.11 R)
• M22: 40,254,393 km (0.052 R)
• M23: 44,032,488 km (0.1 R)
• M24: 49,540,831 km (0.042 R)
• M25: 65,080,459 km (0.098 R)
• M26: 65,485,570 km (0.103 R)
• M27: 67,535,660 km (0.086 R)
• M28: 70,477,352 km (0.099 R)
• M29: 71,333,201 km (0.051 R)

Kuiper Belt

Range: 30.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 12,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit