🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.94 AU - 1.5 AU

Year: 474 Days

Day: 41.2 Hours

Environment

Temp: 22 °C

Axial Tilt: 10.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.12 AU - 1.36 AU

Year: 485 Days

Day: 28 Hours

Environment

Temp: 30 °C

Axial Tilt: 34.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 80,676,607 km

• M1: 581,188 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.08 AU - 2.86 AU

Year: 1364 Days

Day: 27.1 Hours

Environment

Temp: -75 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.11 AU - 4.19 AU

Year: 2451 Days

Day: 22.3 Hours

Environment

Temp: -110 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.7 AU - 5.46 AU

Year: 3445 Days

Day: 12.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 48.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 80,676,607 km

• M1: 768,185 km (0.048 R)
• M2: 1,186,012 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.5

Radius: 6.4

Gravity: 18.79 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 11.42 AU - 18.76 AU

Year: 20602 Days

Day: 17.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 80,676,607 km

• M1: 148,401 km (0.114 R)
• M2: 630,106 km (0.118 R)
• M3: 1,323,792 km (0.115 R)
• M4: 1,972,149 km (0.111 R)
• M5: 2,041,712 km (0.112 R)
• M6: 2,183,531 km (0.089 R)
• M7: 2,552,289 km (0.107 R)
• M8: 2,666,582 km (0.082 R)
• M9: 2,900,553 km (0.097 R)
• M10: 3,514,054 km (0.113 R)
• M11: 3,684,296 km (0.05 R)
• M12: 3,901,064 km (0.077 R)
• M13: 4,346,865 km (0.09 R)
• M14: 4,529,674 km (0.116 R)
• M15: 5,045,637 km (0.112 R)
• M16: 5,481,416 km (0.069 R)
• M17: 5,580,001 km (0.104 R)
• M18: 5,979,876 km (0.062 R)
• M19: 6,754,493 km (0.034 R)
• M20: 7,234,403 km (0.07 R)
• M21: 7,670,182 km (0.066 R)
• M22: 7,946,788 km (0.101 R)
• M23: 8,114,488 km (0.088 R)
• M24: 8,396,330 km (0.092 R)
• M25: 9,378,739 km (0.099 R)
• M26: 10,396,902 km (0.078 R)
• M27: 11,639,313 km (0.076 R)
• M28: 12,021,086 km (0.077 R)
• M29: 12,927,650 km (0.07 R)
• M30: 14,600,902 km (0.117 R)
• M31: 14,806,150 km (0.094 R)
• M32: 14,943,630 km (0.117 R)
• M33: 18,292,528 km (0.075 R)
• M34: 20,240,293 km (0.06 R)
• M35: 20,469,177 km (0.095 R)
• M36: 20,775,853 km (0.119 R)
• M37: 22,726,310 km (0.112 R)
• M38: 24,085,706 km (0.109 R)
• M39: 24,409,286 km (0.087 R)
• M40: 25,306,873 km (0.074 R)
• M41: 25,966,450 km (0.048 R)
• M42: 27,050,137 km (0.048 R)
• M43: 27,302,359 km (0.098 R)
• M44: 29,347,811 km (0.112 R)
• M45: 30,301,647 km (0.118 R)
• M46: 30,476,228 km (0.077 R)
• M47: 31,177,543 km (0.074 R)
• M48: 32,150,826 km (0.116 R)
• M49: 33,044,075 km (0.088 R)
• M50: 33,855,045 km (0.027 R)
• M51: 34,036,059 km (0.1 R)
• M52: 34,490,238 km (0.078 R)
• M53: 34,581,343 km (0.075 R)
• M54: 35,312,877 km (0.11 R)
• M55: 36,234,399 km (0.092 R)
• M56: 36,327,001 km (0.045 R)
• M57: 36,698,003 km (0.112 R)
• M58: 36,791,053 km (0.116 R)
• M59: 38,195,179 km (0.119 R)
• M60: 39,330,926 km (0.092 R)
• M61: 40,094,324 km (0.086 R)
• M62: 40,285,959 km (0.07 R)
• M63: 40,381,851 km (0.089 R)
• M64: 40,862,658 km (0.111 R)
• M65: 41,055,490 km (0.073 R)
• M66: 41,635,780 km (0.065 R)
• M67: 44,478,589 km (0.057 R)
• M68: 45,473,265 km (0.098 R)
• M69: 46,676,630 km (0.095 R)
• M70: 47,788,890 km (0.069 R)
• M71: 50,555,703 km (0.05 R)
• M72: 51,593,463 km (0.114 R)
• M73: 52,533,686 km (0.084 R)
• M74: 53,584,761 km (0.086 R)
• M75: 57,642,004 km (0.105 R)
• M76: 58,725,991 km (0.097 R)
• M77: 59,052,563 km (0.099 R)
• M78: 60,364,686 km (0.045 R)
• M79: 60,474,490 km (0.031 R)
• M80: 61,355,024 km (0.1 R)
• M81: 70,044,565 km (0.104 R)
• M82: 71,317,045 km (0.12 R)
• M83: 72,130,708 km (0.097 R)
• M84: 72,363,781 km (0.063 R)
• M85: 73,298,469 km (0.044 R)
• M86: 74,590,246 km (0.057 R)
• M87: 75,771,022 km (0.081 R)
• M88: 75,889,504 km (0.107 R)
• M89: 77,434,551 km (0.119 R)
• M90: 78,270,803 km (0.076 R)
• M91: 79,110,047 km (0.057 R)
• M92: 80,072,859 km (0.105 R)
• M93: 80,193,435 km (0.082 R)
• M94: 80,555,761 km (0.109 R)

Kuiper Belt

Range: 31.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 18,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit