🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.17 AU - 1.37 AU

Year: 520 Days

Day: 42.9 Hours

Environment

Temp: 15 °C

Axial Tilt: 23.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 30,055,432 km

• M1: 273,016 km (0.092 R)
• M2: 657,931 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.52 AU - 1.86 AU

Year: 798 Days

Day: 12.4 Hours

Environment

Temp: -55 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.69 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.2

Radius: 13.1

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.46 AU - 6.9 AU

Year: 4920 Days

Day: 11.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 30,055,432 km

• M1: 167,400 km (0.092 R)
• M2: 339,886 km (0.114 R)
• M3: 483,500 km (0.095 R)
• M4: 600,635 km (0.056 R)
• M5: 685,308 km (0.05 R)
• M6: 856,747 km (0.064 R)
• M7: 1,217,427 km (0.094 R)
• M8: 1,315,115 km (0.053 R)
• M9: 1,430,305 km (0.088 R)
• M10: 1,975,141 km (0.057 R)
• M11: 2,227,811 km (0.105 R)
• M12: 2,437,697 km (0.062 R)
• M13: 2,617,664 km (0.107 R)
• M14: 2,709,367 km (0.086 R)
• M15: 2,802,267 km (0.102 R)
• M16: 2,953,062 km (0.046 R)
• M17: 3,223,535 km (0.086 R)
• M18: 3,872,341 km (0.061 R)
• M19: 4,019,695 km (0.077 R)
• M20: 4,897,685 km (0.09 R)
• M21: 4,988,790 km (0.079 R)
• M22: 5,288,584 km (0.067 R)
• M23: 5,429,056 km (0.103 R)
• M24: 5,642,084 km (0.11 R)
• M25: 5,906,124 km (0.111 R)
• M26: 6,272,938 km (0.083 R)
• M27: 7,106,048 km (0.057 R)
• M28: 7,470,020 km (0.109 R)
• M29: 7,680,803 km (0.081 R)
• M30: 8,189,287 km (0.117 R)
• M31: 8,406,802 km (0.09 R)
• M32: 8,543,684 km (0.037 R)
• M33: 8,708,840 km (0.099 R)
• M34: 8,903,018 km (0.117 R)
• M35: 9,437,082 km (0.064 R)
• M36: 9,837,406 km (0.109 R)
• M37: 9,952,746 km (0.029 R)
• M38: 11,706,931 km (0.09 R)
• M39: 11,859,970 km (0.075 R)
• M40: 12,292,008 km (0.068 R)
• M41: 12,509,972 km (0.049 R)
• M42: 12,823,679 km (0.113 R)
• M43: 12,949,790 km (0.067 R)
• M44: 13,076,350 km (0.081 R)
• M45: 13,490,736 km (0.047 R)
• M46: 13,747,895 km (0.049 R)
• M47: 14,104,087 km (0.047 R)
• M48: 14,266,999 km (0.108 R)
• M49: 14,924,931 km (0.102 R)
• M50: 15,324,507 km (0.115 R)
• M51: 17,374,895 km (0.087 R)
• M52: 17,549,625 km (0.106 R)
• M53: 18,148,017 km (0.099 R)
• M54: 18,432,103 km (0.082 R)
• M55: 18,789,044 km (0.08 R)
• M56: 19,184,431 km (0.102 R)
• M57: 19,910,429 km (0.09 R)
• M58: 20,313,596 km (0.059 R)
• M59: 20,423,999 km (0.119 R)
• M60: 20,756,405 km (0.106 R)
• M61: 21,802,244 km (0.056 R)
• M62: 22,979,879 km (0.092 R)
• M63: 23,287,302 km (0.062 R)
• M64: 24,022,576 km (0.072 R)
• M65: 26,033,769 km (0.052 R)
• M66: 26,434,393 km (0.068 R)
• M67: 26,716,085 km (0.034 R)
• M68: 27,160,840 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.2

Radius: 11.8

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.94 AU - 6.72 AU

Year: 5116 Days

Day: 8.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 30,055,432 km

• M1: 154,385 km (0.062 R)
• M2: 257,907 km (0.107 R)
• M3: 564,582 km (0.03 R)
• M4: 712,535 km (0.115 R)
• M5: 810,820 km (0.072 R)
• M6: 1,064,239 km (0.043 R)
• M7: 1,328,429 km (0.079 R)
• M8: 1,564,794 km (0.077 R)
• M9: 1,936,694 km (0.104 R)
• M10: 2,025,106 km (0.092 R)
• M11: 2,151,367 km (0.116 R)
• M12: 2,355,119 km (0.1 R)
• M13: 2,546,006 km (0.052 R)
• M14: 3,149,185 km (0.084 R)
• M15: 3,597,530 km (0.082 R)
• M16: 4,043,481 km (0.119 R)
• M17: 4,180,662 km (0.119 R)
• M18: 4,296,301 km (0.12 R)
• M19: 4,745,244 km (0.083 R)
• M20: 4,841,735 km (0.11 R)
• M21: 4,963,358 km (0.082 R)
• M22: 5,061,195 km (0.025 R)
• M23: 5,560,852 km (0.065 R)
• M24: 5,662,579 km (0.119 R)
• M25: 5,919,887 km (0.094 R)
• M26: 6,207,564 km (0.059 R)
• M27: 6,472,950 km (0.103 R)
• M28: 6,606,990 km (0.082 R)
• M29: 6,687,922 km (0.049 R)
• M30: 6,796,381 km (0.056 R)
• M31: 7,042,469 km (0.119 R)
• M32: 7,941,253 km (0.102 R)
• M33: 9,753,033 km (0.046 R)
• M34: 10,405,429 km (0.09 R)
• M35: 11,136,065 km (0.092 R)
• M36: 11,719,497 km (0.115 R)
• M37: 12,180,259 km (0.039 R)
• M38: 12,379,523 km (0.074 R)
• M39: 12,680,514 km (0.105 R)
• M40: 13,051,517 km (0.07 R)
• M41: 14,642,041 km (0.12 R)
• M42: 15,460,042 km (0.051 R)
• M43: 16,146,996 km (0.117 R)
• M44: 16,402,509 km (0.052 R)
• M45: 16,770,071 km (0.092 R)
• M46: 16,880,773 km (0.114 R)
• M47: 16,954,824 km (0.102 R)
• M48: 17,177,426 km (0.062 R)
• M49: 17,738,268 km (0.09 R)
• M50: 17,964,311 km (0.102 R)
• M51: 19,108,585 km (0.075 R)
• M52: 19,806,608 km (0.062 R)
• M53: 19,884,699 km (0.117 R)
• M54: 20,119,418 km (0.114 R)
• M55: 20,750,122 km (0.078 R)
• M56: 21,547,629 km (0.11 R)
• M57: 22,926,322 km (0.087 R)
• M58: 23,875,222 km (0.059 R)
• M59: 24,291,702 km (0.12 R)
• M60: 24,878,874 km (0.116 R)
• M61: 25,005,284 km (0.052 R)
• M62: 25,598,140 km (0.087 R)
• M63: 26,324,289 km (0.088 R)
• M64: 26,539,111 km (0.109 R)
• M65: 26,754,532 km (0.1 R)
• M66: 27,187,319 km (0.094 R)
• M67: 27,665,882 km (0.108 R)
• M68: 27,840,613 km (0.086 R)
• M69: 29,296,050 km (0.075 R)
• M70: 29,697,272 km (0.045 R)
• M71: 29,786,731 km (0.073 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 13,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit