🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.54 AU - 0.68 AU

Year: 303 Days

Day: 20.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.3

Radius: 13.7

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.9 AU - 0.92 AU

Year: 552 Days

Day: 9.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 37,845,352 km

• M1: 178,919 km (0.098 R)
• M2: 283,638 km (0.103 R)
• M3: 371,452 km (0.106 R)
• M4: 461,659 km (0.037 R)
• M5: 569,369 km (0.064 R)
• M6: 668,702 km (0.102 R)
• M7: 812,167 km (0.06 R)
• M8: 901,327 km (0.117 R)
• M9: 994,078 km (0.114 R)
• M10: 1,137,841 km (0.106 R)
• M11: 1,249,292 km (0.102 R)
• M12: 1,339,350 km (0.119 R)
• M13: 1,489,247 km (0.075 R)
• M14: 1,656,198 km (0.098 R)
• M15: 1,795,474 km (0.102 R)
• M16: 1,886,878 km (0.067 R)
• M17: 1,997,431 km (0.061 R)
• M18: 2,170,665 km (0.068 R)
• M19: 2,262,219 km (0.06 R)
• M20: 2,405,384 km (0.106 R)
• M21: 2,596,720 km (0.1 R)
• M22: 2,899,955 km (0.119 R)
• M23: 3,028,758 km (0.083 R)
• M24: 3,124,800 km (0.063 R)
• M25: 3,299,082 km (0.106 R)
• M26: 3,412,327 km (0.103 R)
• M27: 3,505,377 km (0.114 R)
• M28: 3,591,994 km (0.119 R)
• M29: 3,679,360 km (0.119 R)
• M30: 3,782,133 km (0.118 R)
• M31: 3,871,144 km (0.117 R)
• M32: 4,028,521 km (0.082 R)
• M33: 4,280,145 km (0.111 R)
• M34: 4,443,057 km (0.067 R)
• M35: 4,671,343 km (0.102 R)
• M36: 4,847,270 km (0.087 R)
• M37: 5,017,213 km (0.109 R)
• M38: 5,164,418 km (0.107 R)
• M39: 5,296,662 km (0.085 R)
• M40: 5,396,444 km (0.066 R)
• M41: 5,522,256 km (0.104 R)
• M42: 5,699,828 km (0.12 R)
• M43: 5,819,357 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.5

Radius: 13.7

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.05 AU - 2.09 AU

Year: 1894 Days

Day: 6.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 37,845,352 km

• M1: 314,006 km (0.098 R)
• M2: 428,000 km (0.049 R)
• M3: 526,884 km (0.11 R)
• M4: 713,881 km (0.077 R)
• M5: 952,340 km (0.113 R)
• M6: 1,053,767 km (0.116 R)
• M7: 1,402,181 km (0.112 R)
• M8: 1,629,121 km (0.081 R)
• M9: 1,752,988 km (0.098 R)
• M10: 2,046,798 km (0.078 R)
• M11: 2,144,336 km (0.118 R)
• M12: 2,243,370 km (0.09 R)
• M13: 2,369,481 km (0.106 R)
• M14: 2,524,015 km (0.101 R)
• M15: 2,629,033 km (0.109 R)
• M16: 2,762,474 km (0.083 R)
• M17: 2,857,170 km (0.107 R)
• M18: 2,953,062 km (0.054 R)
• M19: 3,190,474 km (0.112 R)
• M20: 3,434,318 km (0.103 R)
• M21: 3,551,154 km (0.12 R)
• M22: 3,789,164 km (0.025 R)
• M23: 3,910,040 km (0.059 R)
• M24: 4,486,440 km (0.116 R)
• M25: 4,825,579 km (0.106 R)
• M26: 4,973,531 km (0.09 R)
• M27: 5,122,979 km (0.096 R)
• M28: 5,290,828 km (0.109 R)
• M29: 5,426,513 km (0.102 R)
• M30: 5,597,803 km (0.101 R)
• M31: 6,318,416 km (0.104 R)
• M32: 6,408,474 km (0.114 R)
• M33: 6,644,240 km (0.083 R)
• M34: 7,143,298 km (0.114 R)
• M35: 7,255,796 km (0.097 R)
• M36: 7,654,474 km (0.086 R)
• M37: 7,769,814 km (0.087 R)
• M38: 8,099,378 km (0.105 R)
• M39: 8,413,983 km (0.117 R)
• M40: 8,652,591 km (0.087 R)
• M41: 8,812,811 km (0.096 R)
• M42: 9,320,097 km (0.116 R)
• M43: 9,463,860 km (0.103 R)
• M44: 9,649,811 km (0.066 R)
• M45: 9,857,901 km (0.098 R)
• M46: 10,046,395 km (0.06 R)
• M47: 10,172,655 km (0.04 R)
• M48: 10,320,757 km (0.079 R)
• M49: 10,833,878 km (0.065 R)
• M50: 11,443,190 km (0.067 R)
• M51: 12,513,563 km (0.114 R)
• M52: 12,900,273 km (0.107 R)
• M53: 13,337,249 km (0.103 R)
• M54: 13,990,094 km (0.057 R)
• M55: 14,439,037 km (0.119 R)
• M56: 14,749,004 km (0.08 R)
• M57: 15,302,665 km (0.104 R)
• M58: 15,667,535 km (0.099 R)
• M59: 16,257,249 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273.6

Radius: 5.8

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.62 AU - 6.84 AU

Year: 11101 Days

Day: 20.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 37,845,352 km

• M1: 507,137 km (0.077 R)
• M2: 641,176 km (0.044 R)
• M3: 1,008,140 km (0.055 R)
• M4: 1,126,173 km (0.049 R)
• M5: 1,375,702 km (0.101 R)
• M6: 1,681,779 km (0.077 R)
• M7: 1,842,597 km (0.06 R)
• M8: 1,987,557 km (0.112 R)
• M9: 2,029,594 km (0.088 R)
• M10: 2,512,347 km (0.111 R)
• M11: 2,696,502 km (0.105 R)
• M12: 2,908,781 km (0.088 R)
• M13: 3,425,342 km (0.047 R)
• M14: 4,157,474 km (0.057 R)
• M15: 4,457,867 km (0.117 R)
• M16: 4,513,368 km (0.117 R)
• M17: 4,624,818 km (0.107 R)
• M18: 4,737,166 km (0.097 R)
• M19: 4,822,138 km (0.067 R)
• M20: 4,907,558 km (0.104 R)
• M21: 5,195,833 km (0.084 R)
• M22: 5,879,795 km (0.073 R)
• M23: 6,466,069 km (0.114 R)
• M24: 7,006,267 km (0.111 R)
• M25: 7,593,887 km (0.079 R)
• M26: 7,860,022 km (0.106 R)
• M27: 8,367,458 km (0.055 R)
• M28: 9,735,829 km (0.064 R)
• M29: 9,916,244 km (0.116 R)
• M30: 11,512,753 km (0.102 R)
• M31: 12,321,030 km (0.042 R)
• M32: 12,359,926 km (0.085 R)
• M33: 12,949,042 km (0.084 R)
• M34: 15,186,278 km (0.112 R)
• M35: 15,605,751 km (0.116 R)
• M36: 15,647,937 km (0.118 R)
• M37: 15,732,310 km (0.041 R)
• M38: 15,901,655 km (0.116 R)
• M39: 15,943,991 km (0.109 R)
• M40: 16,114,084 km (0.082 R)
• M41: 16,413,130 km (0.102 R)
• M42: 17,147,058 km (0.096 R)
• M43: 18,112,562 km (0.058 R)
• M44: 19,095,570 km (0.085 R)
• M45: 20,004,227 km (0.119 R)
• M46: 20,095,931 km (0.095 R)
• M47: 20,556,243 km (0.113 R)
• M48: 20,880,422 km (0.045 R)
• M49: 20,926,947 km (0.119 R)
• M50: 21,019,997 km (0.114 R)
• M51: 21,440,367 km (0.091 R)
• M52: 21,863,430 km (0.065 R)
• M53: 23,390,076 km (0.119 R)
• M54: 24,020,033 km (0.12 R)
• M55: 24,901,613 km (0.058 R)
• M56: 25,395,884 km (0.11 R)
• M57: 25,544,734 km (0.067 R)
• M58: 26,494,531 km (0.082 R)
• M59: 27,608,736 km (0.11 R)
• M60: 29,204,646 km (0.116 R)
• M61: 29,882,773 km (0.098 R)
• M62: 30,355,203 km (0.108 R)
• M63: 31,787,453 km (0.116 R)
• M64: 32,001,528 km (0.056 R)
• M65: 32,431,023 km (0.071 R)
• M66: 34,113,401 km (0.062 R)
• M67: 34,168,154 km (0.092 R)
• M68: 34,277,809 km (0.084 R)
• M69: 34,552,171 km (0.069 R)
• M70: 34,772,379 km (0.112 R)
• M71: 35,379,896 km (0.059 R)
• M72: 35,824,052 km (0.057 R)
• M73: 35,879,703 km (0.083 R)
• M74: 36,437,703 km (0.052 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 13,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit