🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.93 AU - 1.01 AU

Year: 366 Days

Day: 43.8 Hours

Environment

Temp: -0 °C

Axial Tilt: 7.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 87,053,719 km

• M1: 72,256 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.96 AU - 1.04 AU

Year: 383 Days

Day: 32.7 Hours

Environment

Temp: 20 °C

Axial Tilt: 74.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 87,053,719 km

• M1: 546,780 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.11 AU - 1.77 AU

Year: 662 Days

Day: 27.8 Hours

Environment

Temp: -50 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 87,053,719 km

• M1: 569,669 km (0.057 R)
• M2: 622,626 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.1 AU - 4.74 AU

Year: 2972 Days

Day: 40.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 41 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.25 AU - 4.61 AU

Year: 2983 Days

Day: 36.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.13 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 14.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.2

Radius: 5.6

Gravity: 30.4 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 12.59 AU - 16.05 AU

Year: 20748 Days

Day: 24 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 87,053,719 km

• M1: 184,005 km (0.073 R)
• M2: 229,483 km (0.113 R)
• M3: 373,097 km (0.094 R)
• M4: 477,217 km (0.033 R)
• M5: 688,749 km (0.084 R)
• M6: 984,354 km (0.108 R)
• M7: 1,161,179 km (0.104 R)
• M8: 2,037,822 km (0.105 R)
• M9: 2,074,922 km (0.059 R)
• M10: 2,340,309 km (0.093 R)
• M11: 2,496,938 km (0.111 R)
• M12: 2,536,581 km (0.1 R)
• M13: 3,114,179 km (0.096 R)
• M14: 3,243,132 km (0.074 R)
• M15: 3,821,926 km (0.107 R)
• M16: 5,636,698 km (0.06 R)
• M17: 6,059,312 km (0.09 R)
• M18: 7,733,312 km (0.036 R)
• M19: 7,908,192 km (0.076 R)
• M20: 8,143,360 km (0.057 R)
• M21: 8,261,692 km (0.115 R)
• M22: 8,321,232 km (0.081 R)
• M23: 9,727,003 km (0.096 R)
• M24: 10,232,943 km (0.044 R)
• M25: 10,360,849 km (0.11 R)
• M26: 11,008,010 km (0.08 R)
• M27: 11,601,464 km (0.034 R)
• M28: 11,668,036 km (0.119 R)
• M29: 11,935,816 km (0.079 R)
• M30: 12,002,985 km (0.083 R)
• M31: 13,513,624 km (0.081 R)
• M32: 14,291,234 km (0.09 R)
• M33: 14,505,758 km (0.077 R)
• M34: 14,649,371 km (0.111 R)
• M35: 15,228,614 km (0.103 R)
• M36: 18,158,040 km (0.11 R)
• M37: 19,251,002 km (0.052 R)
• M38: 19,567,102 km (0.073 R)
• M39: 20,929,939 km (0.039 R)
• M40: 21,581,737 km (0.087 R)
• M41: 22,572,075 km (0.101 R)
• M42: 22,989,004 km (0.112 R)
• M43: 25,457,070 km (0.12 R)
• M44: 25,803,987 km (0.074 R)
• M45: 26,590,423 km (0.046 R)
• M46: 27,918,553 km (0.071 R)
• M47: 29,722,703 km (0.091 R)
• M48: 31,378,453 km (0.054 R)
• M49: 32,123,749 km (0.081 R)
• M50: 32,404,844 km (0.077 R)
• M51: 34,108,165 km (0.082 R)
• M52: 35,066,938 km (0.075 R)
• M53: 35,356,260 km (0.085 R)
• M54: 36,521,627 km (0.078 R)
• M55: 37,699,561 km (0.076 R)
• M56: 38,194,132 km (0.089 R)
• M57: 39,991,849 km (0.112 R)
• M58: 40,193,358 km (0.1 R)
• M59: 41,919,268 km (0.038 R)
• M60: 42,842,885 km (0.091 R)
• M61: 43,152,104 km (0.096 R)
• M62: 44,188,668 km (0.076 R)
• M63: 44,396,908 km (0.101 R)
• M64: 44,501,178 km (0.073 R)
• M65: 44,709,867 km (0.075 R)
• M66: 45,548,213 km (0.06 R)
• M67: 48,737,789 km (0.087 R)
• M68: 51,122,080 km (0.08 R)
• M69: 53,988,525 km (0.06 R)
• M70: 55,778,314 km (0.107 R)
• M71: 56,228,753 km (0.077 R)
• M72: 57,133,372 km (0.119 R)
• M73: 57,814,939 km (0.042 R)
• M74: 58,727,935 km (0.03 R)
• M75: 58,956,970 km (0.111 R)
• M76: 60,452,500 km (0.086 R)
• M77: 60,799,417 km (0.113 R)
• M78: 61,031,144 km (0.11 R)
• M79: 61,611,434 km (0.056 R)
• M80: 63,481,108 km (0.073 R)
• M81: 63,951,295 km (0.067 R)
• M82: 68,958,784 km (0.104 R)
• M83: 69,200,235 km (0.077 R)
• M84: 69,926,682 km (0.116 R)
• M85: 71,387,057 km (0.112 R)
• M86: 73,719,886 km (0.095 R)
• M87: 73,966,872 km (0.106 R)
• M88: 75,081,825 km (0.114 R)
• M89: 77,077,760 km (0.039 R)
• M90: 77,830,686 km (0.102 R)
• M91: 79,217,308 km (0.091 R)
• M92: 79,343,719 km (0.086 R)
• M93: 82,399,106 km (0.116 R)
• M94: 83,683,553 km (0.085 R)
• M95: 84,070,114 km (0.061 R)
• M96: 84,199,067 km (0.109 R)
• M97: 86,792,945 km (0.108 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 17,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit