🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.99 AU - 1.07 AU

Year: 373 Days

Day: 33.9 Hours

Environment

Temp: 140 °C

Axial Tilt: 44 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.99 AU - 1.49 AU

Year: 492 Days

Day: 12.3 Hours

Environment

Temp: 7 °C

Axial Tilt: 59.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.09 AU - 1.59 AU

Year: 553 Days

Day: 27.5 Hours

Environment

Temp: 1 °C

Axial Tilt: 45.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.57 AU - 1.59 AU

Year: 708 Days

Day: 45 Hours

Environment

Temp: -27 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,859,428 km

• M1: 940,821 km (0.104 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.56 AU - 2.92 AU

Year: 1617 Days

Day: 38.7 Hours

Environment

Temp: -95 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,859,428 km

• M1: 794,963 km (0.066 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.71 AU - 3.07 AU

Year: 1751 Days

Day: 42.6 Hours

Environment

Temp: -84 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,859,428 km

• M1: 149,149 km (0.097 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.79 AU - 4.93 AU

Year: 3245 Days

Day: 38.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.53 AU - 4.83 AU

Year: 3609 Days

Day: 24.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.9

Radius: 11.4

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.97 AU - 8.17 AU

Year: 8172 Days

Day: 14.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 43,859,428 km

• M1: 157,227 km (0.072 R)
• M2: 518,057 km (0.087 R)
• M3: 660,175 km (0.091 R)
• M4: 752,477 km (0.102 R)
• M5: 883,076 km (0.047 R)
• M6: 986,448 km (0.078 R)
• M7: 1,187,209 km (0.069 R)
• M8: 1,586,934 km (0.059 R)
• M9: 1,758,523 km (0.092 R)
• M10: 2,004,761 km (0.104 R)
• M11: 2,334,475 km (0.047 R)
• M12: 2,861,358 km (0.106 R)
• M13: 2,939,748 km (0.051 R)
• M14: 3,071,843 km (0.084 R)
• M15: 3,233,109 km (0.105 R)
• M16: 3,508,220 km (0.099 R)
• M17: 3,733,813 km (0.113 R)
• M18: 3,819,682 km (0.082 R)
• M19: 3,935,322 km (0.093 R)
• M20: 4,199,511 km (0.059 R)
• M21: 4,379,029 km (0.084 R)
• M22: 4,469,685 km (0.099 R)
• M23: 4,560,940 km (0.081 R)
• M24: 5,185,810 km (0.07 R)
• M25: 5,314,016 km (0.115 R)
• M26: 6,480,729 km (0.093 R)
• M27: 6,758,383 km (0.069 R)
• M28: 7,004,472 km (0.101 R)
• M29: 7,182,194 km (0.098 R)
• M30: 7,289,455 km (0.083 R)
• M31: 7,760,539 km (0.095 R)
• M32: 7,907,594 km (0.03 R)
• M33: 7,981,495 km (0.065 R)
• M34: 8,429,391 km (0.083 R)
• M35: 8,885,515 km (0.068 R)
• M36: 9,310,672 km (0.051 R)
• M37: 9,427,807 km (0.108 R)
• M38: 10,020,813 km (0.083 R)
• M39: 10,422,932 km (0.053 R)
• M40: 11,036,134 km (0.09 R)
• M41: 11,956,460 km (0.054 R)
• M42: 12,641,170 km (0.106 R)
• M43: 13,559,401 km (0.107 R)
• M44: 14,004,156 km (0.1 R)
• M45: 14,318,311 km (0.103 R)
• M46: 14,408,519 km (0.095 R)
• M47: 14,816,772 km (0.08 R)
• M48: 14,953,654 km (0.11 R)
• M49: 15,505,670 km (0.091 R)
• M50: 17,105,619 km (0.12 R)
• M51: 17,634,447 km (0.088 R)
• M52: 17,731,237 km (0.064 R)
• M53: 18,266,349 km (0.061 R)
• M54: 19,803,168 km (0.104 R)
• M55: 19,954,112 km (0.105 R)
• M56: 20,867,557 km (0.056 R)
• M57: 21,175,130 km (0.068 R)
• M58: 21,484,199 km (0.097 R)
• M59: 22,999,027 km (0.025 R)
• M60: 23,210,708 km (0.105 R)
• M61: 24,602,118 km (0.107 R)
• M62: 25,965,254 km (0.059 R)
• M63: 26,683,922 km (0.12 R)
• M64: 27,409,023 km (0.1 R)
• M65: 28,480,443 km (0.106 R)
• M66: 30,431,797 km (0.111 R)
• M67: 31,306,346 km (0.109 R)
• M68: 31,776,233 km (0.09 R)
• M69: 32,130,032 km (0.061 R)
• M70: 32,366,696 km (0.084 R)
• M71: 32,485,327 km (0.089 R)
• M72: 32,663,349 km (0.079 R)
• M73: 32,901,359 km (0.083 R)
• M74: 33,558,692 km (0.119 R)
• M75: 33,919,073 km (0.059 R)
• M76: 34,462,113 km (0.077 R)
• M77: 34,886,373 km (0.114 R)
• M78: 35,862,798 km (0.117 R)
• M79: 36,108,288 km (0.044 R)
• M80: 36,416,011 km (0.037 R)
• M81: 37,095,934 km (0.075 R)
• M82: 37,842,427 km (0.034 R)
• M83: 39,350,374 km (0.107 R)
• M84: 40,813,889 km (0.086 R)
• M85: 41,713,421 km (0.113 R)
• M86: 42,100,880 km (0.116 R)
• M87: 42,359,834 km (0.083 R)
• M88: 43,859,403 km (0.117 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 13,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit