🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.03 AU - 1.15 AU

Year: 408 Days

Day: 16.4 Hours

Environment

Temp: 15 °C

Axial Tilt: 78.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 75,643,029 km

• M1: 319,391 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.22 AU - 1.74 AU

Year: 645 Days

Day: 37.3 Hours

Environment

Temp: -22 °C

Axial Tilt: 43.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.82 AU - 2.06 AU

Year: 968 Days

Day: 42.3 Hours

Environment

Temp: -60 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.1 AU - 2.78 AU

Year: 1365 Days

Day: 25.8 Hours

Environment

Temp: -78 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,643,029 km

• M1: 1,312,871 km (0.073 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.34 AU - 2.7 AU

Year: 1433 Days

Day: 26.1 Hours

Environment

Temp: -75 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.4 AU - 3.5 AU

Year: 1815 Days

Day: 23.6 Hours

Environment

Temp: -102 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,643,029 km

• M1: 403,017 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.7

Radius: 3.5

Gravity: 29.77 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 13.67 AU - 22.17 AU

Year: 27169 Days

Day: 18.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 75,643,029 km

• M1: 97,687 km (0.108 R)
• M2: 211,083 km (0.115 R)
• M3: 290,220 km (0.067 R)
• M4: 694,284 km (0.093 R)
• M5: 1,126,921 km (0.105 R)
• M6: 1,296,415 km (0.117 R)
• M7: 1,473,689 km (0.076 R)
• M8: 1,565,392 km (0.098 R)
• M9: 1,658,891 km (0.1 R)
• M10: 1,950,158 km (0.075 R)
• M11: 2,084,646 km (0.114 R)
• M12: 2,362,898 km (0.077 R)
• M13: 2,506,213 km (0.109 R)
• M14: 2,839,368 km (0.07 R)
• M15: 2,915,214 km (0.077 R)
• M16: 2,991,808 km (0.032 R)
• M17: 3,186,135 km (0.029 R)
• M18: 3,225,480 km (0.076 R)
• M19: 3,919,165 km (0.091 R)
• M20: 5,064,486 km (0.065 R)
• M21: 5,578,056 km (0.109 R)
• M22: 5,913,305 km (0.083 R)
• M23: 6,010,394 km (0.118 R)
• M24: 6,206,068 km (0.09 R)
• M25: 6,304,653 km (0.078 R)
• M26: 10,240,124 km (0.104 R)
• M27: 10,532,139 km (0.099 R)
• M28: 10,649,872 km (0.064 R)
• M29: 11,972,168 km (0.063 R)
• M30: 12,033,503 km (0.058 R)
• M31: 12,094,988 km (0.106 R)
• M32: 13,092,058 km (0.079 R)
• M33: 14,244,859 km (0.058 R)
• M34: 15,097,417 km (0.096 R)
• M35: 15,429,824 km (0.031 R)
• M36: 15,966,431 km (0.053 R)
• M37: 17,334,803 km (0.11 R)
• M38: 17,404,216 km (0.079 R)
• M39: 19,312,487 km (0.093 R)
• M40: 20,108,796 km (0.068 R)
• M41: 20,989,628 km (0.109 R)
• M42: 21,285,982 km (0.102 R)
• M43: 21,957,975 km (0.096 R)
• M44: 22,108,172 km (0.115 R)
• M45: 22,712,697 km (0.086 R)
• M46: 27,254,488 km (0.099 R)
• M47: 28,391,581 km (0.04 R)
• M48: 28,801,480 km (0.059 R)
• M49: 30,460,370 km (0.096 R)
• M50: 30,879,843 km (0.06 R)
• M51: 31,979,537 km (0.114 R)
• M52: 33,869,706 km (0.062 R)
• M53: 33,956,473 km (0.12 R)
• M54: 35,442,877 km (0.058 R)
• M55: 35,884,041 km (0.03 R)
• M56: 37,218,454 km (0.105 R)
• M57: 39,844,196 km (0.09 R)
• M58: 39,935,750 km (0.117 R)
• M59: 40,027,453 km (0.107 R)
• M60: 40,302,863 km (0.111 R)
• M61: 42,622,528 km (0.092 R)
• M62: 43,468,204 km (0.094 R)
• M63: 44,224,422 km (0.114 R)
• M64: 45,080,421 km (0.062 R)
• M65: 45,558,386 km (0.109 R)
• M66: 45,750,021 km (0.066 R)
• M67: 45,941,955 km (0.081 R)
• M68: 46,422,912 km (0.107 R)
• M69: 46,615,744 km (0.065 R)
• M70: 46,808,875 km (0.036 R)
• M71: 46,905,515 km (0.101 R)
• M72: 47,583,941 km (0.097 R)
• M73: 49,146,790 km (0.117 R)
• M74: 49,835,838 km (0.068 R)
• M75: 50,033,307 km (0.052 R)
• M76: 50,231,075 km (0.088 R)
• M77: 50,825,727 km (0.089 R)
• M78: 51,323,140 km (0.092 R)
• M79: 53,328,799 km (0.11 R)
• M80: 54,646,008 km (0.088 R)
• M81: 55,564,240 km (0.062 R)
• M82: 56,076,612 km (0.025 R)
• M83: 56,487,707 km (0.054 R)
• M84: 58,245,482 km (0.109 R)
• M85: 58,765,933 km (0.087 R)
• M86: 63,304,882 km (0.098 R)
• M87: 70,044,565 km (0.059 R)
• M88: 70,597,928 km (0.061 R)
• M89: 71,041,635 km (0.1 R)
• M90: 71,597,691 km (0.069 R)
• M91: 72,155,092 km (0.106 R)
• M92: 74,511,857 km (0.118 R)
• M93: 74,624,803 km (0.101 R)

Kuiper Belt

Range: 30.6 - 53.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 14,635 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit