🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.58 AU - 0.8 AU

Year: 214 Days

Day: 46.5 Hours

Environment

Temp: 130 °C

Axial Tilt: 1.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 95,311,129 km

• M1: 39,943 km (0.09 R)
• M2: 509,530 km (0.037 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.73 AU - 1.05 AU

Year: 313 Days

Day: 32.4 Hours

Environment

Temp: 40 °C

Axial Tilt: 33.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.23 AU - 2.41 AU

Year: 1317 Days

Day: 46.9 Hours

Environment

Temp: -94 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.19 AU - 3.03 AU

Year: 1572 Days

Day: 29.8 Hours

Environment

Temp: -95 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 95,311,129 km

• M1: 637,137 km (0.108 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.6 AU - 4.16 AU

Year: 2316 Days

Day: 22 Hours

Environment

Temp: -126 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 95,311,129 km

• M1: 762,949 km (0.058 R)
• M2: 1,282,203 km (0.078 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.59 AU - 4.13 AU

Year: 2827 Days

Day: 28.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 95,311,129 km

• M1: 877,392 km (0.069 R)
• M2: 2,072,828 km (0.118 R)

Asteroid Belt

Center: 10.12 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 16.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.8

Radius: 5.9

Gravity: 25.33 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 13.58 AU - 19.18 AU

Year: 24713 Days

Day: 18.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 123.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 95,311,129 km

• M1: 81,830 km (0.088 R)
• M2: 214,523 km (0.102 R)
• M3: 519,553 km (0.11 R)
• M4: 1,074,861 km (0.088 R)
• M5: 1,138,141 km (0.101 R)
• M6: 1,335,460 km (0.054 R)
• M7: 1,688,212 km (0.09 R)
• M8: 2,029,445 km (0.055 R)
• M9: 2,559,620 km (0.06 R)
• M10: 2,995,099 km (0.07 R)
• M11: 3,691,028 km (0.09 R)
• M12: 3,884,758 km (0.063 R)
• M13: 4,131,744 km (0.08 R)
• M14: 4,537,303 km (0.104 R)
• M15: 4,955,729 km (0.094 R)
• M16: 5,661,681 km (0.053 R)
• M17: 6,926,381 km (0.093 R)
• M18: 8,085,765 km (0.065 R)
• M19: 8,211,278 km (0.096 R)
• M20: 9,173,042 km (0.032 R)
• M21: 9,501,559 km (0.113 R)
• M22: 9,567,831 km (0.072 R)
• M23: 9,833,966 km (0.106 R)
• M24: 11,201,141 km (0.12 R)
• M25: 12,481,549 km (0.091 R)
• M26: 13,139,031 km (0.093 R)
• M27: 13,434,786 km (0.046 R)
• M28: 15,410,525 km (0.113 R)
• M29: 15,722,587 km (0.034 R)
• M30: 15,957,904 km (0.116 R)
• M31: 16,115,431 km (0.055 R)
• M32: 16,273,406 km (0.064 R)
• M33: 17,232,478 km (0.097 R)
• M34: 17,394,193 km (0.117 R)
• M35: 18,622,242 km (0.114 R)
• M36: 19,456,549 km (0.118 R)
• M37: 21,507,835 km (0.096 R)
• M38: 23,001,869 km (0.107 R)
• M39: 23,090,731 km (0.065 R)
• M40: 23,358,212 km (0.116 R)
• M41: 24,347,801 km (0.045 R)
• M42: 24,801,981 km (0.049 R)
• M43: 25,167,448 km (0.044 R)
• M44: 25,719,016 km (0.071 R)
• M45: 26,181,572 km (0.096 R)
• M46: 28,154,469 km (0.1 R)
• M47: 30,564,790 km (0.05 R)
• M48: 31,153,009 km (0.107 R)
• M49: 35,374,062 km (0.111 R)
• M50: 35,991,602 km (0.076 R)
• M51: 36,716,553 km (0.084 R)
• M52: 36,924,494 km (0.078 R)
• M53: 38,391,451 km (0.027 R)
• M54: 42,141,271 km (0.086 R)
• M55: 44,446,575 km (0.025 R)
• M56: 45,224,035 km (0.096 R)
• M57: 45,894,084 km (0.084 R)
• M58: 46,905,216 km (0.099 R)
• M59: 47,583,343 km (0.094 R)
• M60: 47,810,133 km (0.082 R)
• M61: 51,720,023 km (0.084 R)
• M62: 52,186,619 km (0.107 R)
• M63: 54,185,546 km (0.082 R)
• M64: 55,611,662 km (0.093 R)
• M65: 58,257,899 km (0.064 R)
• M66: 62,055,890 km (0.09 R)
• M67: 64,172,400 km (0.073 R)
• M68: 64,422,827 km (0.111 R)
• M69: 64,673,703 km (0.117 R)
• M70: 65,806,757 km (0.117 R)
• M71: 68,731,695 km (0.087 R)
• M72: 69,501,675 km (0.055 R)
• M73: 70,403,600 km (0.096 R)
• M74: 71,568,968 km (0.09 R)
• M75: 71,698,819 km (0.111 R)
• M76: 72,610,169 km (0.106 R)
• M77: 73,656,307 km (0.083 R)
• M78: 74,312,742 km (0.11 R)
• M79: 75,896,086 km (0.094 R)
• M80: 76,824,790 km (0.083 R)
• M81: 77,090,775 km (0.117 R)
• M82: 77,623,792 km (0.028 R)
• M83: 78,425,487 km (0.08 R)
• M84: 80,306,979 km (0.091 R)
• M85: 80,712,090 km (0.107 R)
• M86: 81,524,407 km (0.109 R)
• M87: 84,251,426 km (0.056 R)
• M88: 84,662,970 km (0.058 R)
• M89: 88,815,957 km (0.108 R)
• M90: 89,934,500 km (0.083 R)
• M91: 93,176,286 km (0.105 R)
• M92: 94,455,348 km (0.028 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 13,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit