🌌 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: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.52 AU - 0.64 AU

Year: 159 Days

Day: 14.7 Hours

Environment

Temp: 194 °C

Axial Tilt: 29.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.85 AU - 1.25 AU

Year: 387 Days

Day: 22 Hours

Environment

Temp: 26 °C

Axial Tilt: 35.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.04 AU - 1.28 AU

Year: 450 Days

Day: 35.1 Hours

Environment

Temp: 14 °C

Axial Tilt: 9.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 75,374,368 km

• M1: 818,300 km (0.081 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.06 AU - 2.28 AU

Year: 1150 Days

Day: 28.7 Hours

Environment

Temp: -72 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.9 AU - 3 AU

Year: 1823 Days

Day: 30.2 Hours

Environment

Temp: -98 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.31 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 13.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.8

Radius: 4.8

Gravity: 35.02 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 11.23 AU - 16.09 AU

Year: 18170 Days

Day: 23.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 75,374,368 km

• M1: 72,106 km (0.03 R)
• M2: 226,641 km (0.116 R)
• M3: 639,830 km (0.09 R)
• M4: 754,871 km (0.069 R)
• M5: 927,058 km (0.104 R)
• M6: 1,139,038 km (0.044 R)
• M7: 1,606,681 km (0.115 R)
• M8: 1,860,549 km (0.101 R)
• M9: 3,269,013 km (0.049 R)
• M10: 3,308,656 km (0.062 R)
• M11: 3,837,036 km (0.088 R)
• M12: 4,261,295 km (0.101 R)
• M13: 4,834,704 km (0.072 R)
• M14: 5,153,497 km (0.084 R)
• M15: 5,385,374 km (0.027 R)
• M16: 6,004,111 km (0.099 R)
• M17: 6,052,580 km (0.074 R)
• M18: 6,999,086 km (0.099 R)
• M19: 7,307,557 km (0.102 R)
• M20: 7,463,438 km (0.116 R)
• M21: 7,937,513 km (0.095 R)
• M22: 8,367,159 km (0.107 R)
• M23: 8,859,635 km (0.092 R)
• M24: 9,137,139 km (0.083 R)
• M25: 11,579,025 km (0.115 R)
• M26: 11,943,445 km (0.119 R)
• M27: 15,321,515 km (0.094 R)
• M28: 17,911,353 km (0.1 R)
• M29: 18,756,880 km (0.031 R)
• M30: 19,041,565 km (0.105 R)
• M31: 19,399,553 km (0.1 R)
• M32: 19,471,360 km (0.09 R)
• M33: 19,687,379 km (0.103 R)
• M34: 21,966,353 km (0.106 R)
• M35: 22,266,446 km (0.06 R)
• M36: 23,251,099 km (0.091 R)
• M37: 23,787,109 km (0.115 R)
• M38: 24,249,815 km (0.116 R)
• M39: 24,559,931 km (0.085 R)
• M40: 25,655,736 km (0.102 R)
• M41: 25,892,699 km (0.079 R)
• M42: 26,527,891 km (0.078 R)
• M43: 28,873,137 km (0.093 R)
• M44: 30,195,283 km (0.065 R)
• M45: 30,947,611 km (0.109 R)
• M46: 32,130,032 km (0.108 R)
• M47: 33,931,340 km (0.099 R)
• M48: 34,539,007 km (0.117 R)
• M49: 35,150,264 km (0.036 R)
• M50: 35,677,147 km (0.111 R)
• M51: 36,649,683 km (0.094 R)
• M52: 37,005,576 km (0.055 R)
• M53: 37,810,263 km (0.114 R)
• M54: 38,350,013 km (0.115 R)
• M55: 38,440,220 km (0.049 R)
• M56: 38,620,785 km (0.1 R)
• M57: 38,892,305 km (0.098 R)
• M58: 39,436,991 km (0.096 R)
• M59: 40,075,923 km (0.076 R)
• M60: 42,571,664 km (0.113 R)
• M61: 43,508,596 km (0.117 R)
• M62: 43,791,037 km (0.057 R)
• M63: 44,452,558 km (0.099 R)
• M64: 46,168,296 km (0.069 R)
• M65: 48,587,144 km (0.094 R)
• M66: 49,467,977 km (0.08 R)
• M67: 49,861,120 km (0.079 R)
• M68: 50,650,548 km (0.104 R)
• M69: 51,146,166 km (0.082 R)
• M70: 51,942,325 km (0.102 R)
• M71: 52,141,889 km (0.081 R)
• M72: 53,244,725 km (0.107 R)
• M73: 54,253,912 km (0.116 R)
• M74: 54,355,190 km (0.082 R)
• M75: 54,862,476 km (0.113 R)
• M76: 55,269,382 km (0.068 R)
• M77: 55,371,258 km (0.068 R)
• M78: 55,677,336 km (0.099 R)
• M79: 55,881,686 km (0.071 R)
• M80: 58,457,014 km (0.103 R)
• M81: 60,650,118 km (0.095 R)
• M82: 62,126,949 km (0.093 R)
• M83: 62,763,637 km (0.045 R)
• M84: 63,295,757 km (0.058 R)
• M85: 65,870,785 km (0.074 R)
• M86: 65,978,794 km (0.059 R)
• M87: 68,370,416 km (0.113 R)
• M88: 68,589,277 km (0.106 R)
• M89: 71,233,270 km (0.087 R)
• M90: 71,344,272 km (0.112 R)
• M91: 72,010,730 km (0.069 R)
• M92: 72,344,782 km (0.075 R)
• M93: 74,472,363 km (0.117 R)

Kuiper Belt

Range: 30.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 18,554 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit