🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.58 AU - 0.66 AU

Year: 174 Days

Day: 22.6 Hours

Environment

Temp: 184 °C

Axial Tilt: 49.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 38,715,722 km

• M1: 59,091 km (0.099 R)
• M2: 391,049 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.69 AU - 0.81 AU

Year: 232 Days

Day: 42.8 Hours

Environment

Temp: 137 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.64 AU - 1.04 AU

Year: 274 Days

Day: 22.1 Hours

Environment

Temp: 148 °C

Axial Tilt: 23.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,715,722 km

• M1: 65,973 km (0.042 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.05 AU - 1.21 AU

Year: 428 Days

Day: 34.8 Hours

Environment

Temp: 25 °C

Axial Tilt: 32.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.17 AU - 1.19 AU

Year: 457 Days

Day: 33.4 Hours

Environment

Temp: 6 °C

Axial Tilt: 5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 38,715,722 km

• M1: 32,463 km (0.052 R)
• M2: 212,279 km (0.072 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.52 AU - 4 AU

Year: 2098 Days

Day: 23.9 Hours

Environment

Temp: -98 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,715,722 km

• M1: 300,692 km (0.065 R)
• M2: 736,770 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932

Radius: 14.2

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.36 AU - 8.1 AU

Year: 6223 Days

Day: 9.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 38,715,722 km

• M1: 293,810 km (0.103 R)
• M2: 407,654 km (0.116 R)
• M3: 714,928 km (0.083 R)
• M4: 830,119 km (0.043 R)
• M5: 1,064,987 km (0.052 R)
• M6: 1,251,985 km (0.067 R)
• M7: 1,758,673 km (0.065 R)
• M8: 1,920,837 km (0.12 R)
• M9: 2,066,994 km (0.09 R)
• M10: 2,238,882 km (0.075 R)
• M11: 2,666,283 km (0.111 R)
• M12: 3,572,098 km (0.108 R)
• M13: 4,018,648 km (0.058 R)
• M14: 4,234,966 km (0.109 R)
• M15: 4,595,048 km (0.052 R)
• M16: 6,071,130 km (0.087 R)
• M17: 6,195,297 km (0.089 R)
• M18: 6,351,626 km (0.093 R)
• M19: 6,732,203 km (0.052 R)
• M20: 6,893,021 km (0.068 R)
• M21: 7,120,260 km (0.109 R)
• M22: 7,383,104 km (0.09 R)
• M23: 7,482,437 km (0.032 R)
• M24: 7,582,368 km (0.09 R)
• M25: 8,054,200 km (0.052 R)
• M26: 8,156,674 km (0.118 R)
• M27: 8,501,049 km (0.117 R)
• M28: 9,454,885 km (0.071 R)
• M29: 9,962,919 km (0.029 R)
• M30: 10,368,329 km (0.099 R)
• M31: 10,929,920 km (0.106 R)
• M32: 11,157,458 km (0.038 R)
• M33: 11,348,195 km (0.119 R)
• M34: 11,655,619 km (0.108 R)
• M35: 12,004,780 km (0.098 R)
• M36: 12,121,915 km (0.049 R)
• M37: 12,793,161 km (0.072 R)
• M38: 12,992,874 km (0.108 R)
• M39: 13,153,393 km (0.07 R)
• M40: 13,435,983 km (0.076 R)
• M41: 13,925,019 km (0.037 R)
• M42: 14,378,450 km (0.117 R)
• M43: 14,753,192 km (0.04 R)
• M44: 15,257,636 km (0.088 R)
• M45: 15,597,224 km (0.118 R)
• M46: 15,725,130 km (0.048 R)
• M47: 16,543,729 km (0.085 R)
• M48: 16,674,328 km (0.101 R)
• M49: 17,111,902 km (0.078 R)
• M50: 17,464,803 km (0.101 R)
• M51: 18,357,304 km (0.08 R)
• M52: 18,763,762 km (0.065 R)
• M53: 18,991,001 km (0.046 R)
• M54: 19,082,106 km (0.108 R)
• M55: 19,770,107 km (0.067 R)
• M56: 20,559,684 km (0.118 R)
• M57: 21,691,841 km (0.065 R)
• M58: 21,882,578 km (0.076 R)
• M59: 22,313,570 km (0.119 R)
• M60: 22,457,932 km (0.095 R)
• M61: 23,721,734 km (0.091 R)
• M62: 24,164,544 km (0.097 R)
• M63: 24,908,644 km (0.116 R)
• M64: 25,208,438 km (0.09 R)
• M65: 25,358,784 km (0.072 R)
• M66: 25,509,429 km (0.09 R)
• M67: 25,660,373 km (0.103 R)
• M68: 25,761,202 km (0.086 R)
• M69: 26,318,005 km (0.086 R)
• M70: 27,546,354 km (0.101 R)
• M71: 27,856,470 km (0.068 R)
• M72: 27,959,992 km (0.102 R)
• M73: 28,115,723 km (0.097 R)
• M74: 28,323,664 km (0.114 R)
• M75: 29,846,870 km (0.116 R)
• M76: 31,558,269 km (0.118 R)
• M77: 31,720,433 km (0.084 R)
• M78: 32,153,968 km (0.105 R)
• M79: 32,480,390 km (0.09 R)
• M80: 32,698,803 km (0.086 R)
• M81: 32,917,515 km (0.066 R)
• M82: 33,908,003 km (0.07 R)
• M83: 34,240,260 km (0.107 R)
• M84: 34,518,063 km (0.075 R)
• M85: 35,580,358 km (0.117 R)
• M86: 36,313,387 km (0.027 R)
• M87: 36,823,815 km (0.087 R)
• M88: 37,336,637 km (0.1 R)
• M89: 38,542,395 km (0.106 R)

Kuiper Belt

Range: 30.8 - 53.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 20,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit