🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.67 AU - 0.99 AU

Year: 278 Days

Day: 13.8 Hours

Environment

Temp: 171 °C

Axial Tilt: 20.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 108,000,856 km

• M1: 509,680 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.81 AU - 1.33 AU

Year: 406 Days

Day: 47.6 Hours

Environment

Temp: 30 °C

Axial Tilt: 26.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.02 AU - 1.5 AU

Year: 519 Days

Day: 31.1 Hours

Environment

Temp: -9 °C

Axial Tilt: 2.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 108,000,856 km

• M1: 320,588 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.34 AU - 4.02 AU

Year: 2591 Days

Day: 30.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 108,000,856 km

• M1: 1,659,788 km (0.09 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.9 AU - 4.2 AU

Year: 2992 Days

Day: 19.6 Hours

Environment

Temp: -127 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 18.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.7

Radius: 6.2

Gravity: 22.91 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 18.14 AU - 19.38 AU

Year: 29828 Days

Day: 18.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 108,000,856 km

• M1: 382,372 km (0.112 R)
• M2: 753,674 km (0.084 R)
• M3: 1,584,541 km (0.112 R)
• M4: 2,162,138 km (0.083 R)
• M5: 2,519,079 km (0.102 R)
• M6: 2,991,060 km (0.045 R)
• M7: 3,388,093 km (0.088 R)
• M8: 3,644,653 km (0.113 R)
• M9: 3,749,072 km (0.067 R)
• M10: 4,563,483 km (0.092 R)
• M11: 5,077,501 km (0.065 R)
• M12: 5,311,772 km (0.107 R)
• M13: 6,097,759 km (0.112 R)
• M14: 6,472,651 km (0.087 R)
• M15: 6,726,818 km (0.109 R)
• M16: 6,790,846 km (0.086 R)
• M17: 6,984,276 km (0.052 R)
• M18: 7,376,372 km (0.057 R)
• M19: 7,842,968 km (0.117 R)
• M20: 9,299,004 km (0.118 R)
• M21: 9,370,362 km (0.1 R)
• M22: 9,875,255 km (0.067 R)
• M23: 10,315,072 km (0.111 R)
• M24: 11,213,707 km (0.066 R)
• M25: 12,766,233 km (0.09 R)
• M26: 13,648,562 km (0.106 R)
• M27: 13,729,793 km (0.107 R)
• M28: 14,302,604 km (0.106 R)
• M29: 14,467,610 km (0.085 R)
• M30: 15,134,368 km (0.032 R)
• M31: 15,471,412 km (0.108 R)
• M32: 15,640,906 km (0.088 R)
• M33: 18,435,095 km (0.088 R)
• M34: 18,614,762 km (0.086 R)
• M35: 20,257,945 km (0.082 R)
• M36: 20,722,596 km (0.116 R)
• M37: 21,851,911 km (0.113 R)
• M38: 23,194,701 km (0.099 R)
• M39: 23,583,207 km (0.109 R)
• M40: 25,557,899 km (0.06 R)
• M41: 28,306,460 km (0.101 R)
• M42: 29,348,110 km (0.064 R)
• M43: 29,979,114 km (0.078 R)
• M44: 30,296,262 km (0.106 R)
• M45: 31,468,660 km (0.1 R)
• M46: 33,528,623 km (0.114 R)
• M47: 35,519,920 km (0.094 R)
• M48: 38,922,823 km (0.111 R)
• M49: 40,546,109 km (0.05 R)
• M50: 41,955,022 km (0.114 R)
• M51: 42,665,462 km (0.093 R)
• M52: 42,903,173 km (0.097 R)
• M53: 43,141,333 km (0.109 R)
• M54: 45,425,393 km (0.088 R)
• M55: 48,614,222 km (0.093 R)
• M56: 49,485,031 km (0.108 R)
• M57: 49,734,710 km (0.071 R)
• M58: 50,110,200 km (0.12 R)
• M59: 50,863,874 km (0.088 R)
• M60: 52,636,759 km (0.115 R)
• M61: 53,402,849 km (0.071 R)
• M62: 53,915,671 km (0.12 R)
• M63: 56,112,965 km (0.029 R)
• M64: 60,861,650 km (0.111 R)
• M65: 61,129,280 km (0.117 R)
• M66: 61,665,589 km (0.081 R)
• M67: 64,916,201 km (0.094 R)
• M68: 65,326,398 km (0.119 R)
• M69: 66,424,596 km (0.119 R)
• M70: 67,252,172 km (0.083 R)
• M71: 67,667,306 km (0.08 R)
• M72: 69,057,070 km (0.109 R)
• M73: 72,289,132 km (0.115 R)
• M74: 72,430,651 km (0.109 R)
• M75: 75,139,271 km (0.119 R)
• M76: 75,713,726 km (0.105 R)
• M77: 77,590,880 km (0.095 R)
• M78: 78,899,263 km (0.108 R)
• M79: 80,508,338 km (0.08 R)
• M80: 81,537,871 km (0.092 R)
• M81: 82,128,184 km (0.116 R)
• M82: 82,423,939 km (0.069 R)
• M83: 83,758,801 km (0.117 R)
• M84: 83,907,651 km (0.091 R)
• M85: 84,205,350 km (0.116 R)
• M86: 85,549,786 km (0.075 R)
• M87: 86,450,066 km (0.119 R)
• M88: 87,202,693 km (0.12 R)
• M89: 90,539,773 km (0.106 R)
• M90: 91,151,030 km (0.11 R)
• M91: 96,557,497 km (0.105 R)
• M92: 98,121,094 km (0.095 R)
• M93: 100,482,347 km (0.117 R)
• M94: 104,459,107 km (0.089 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 14,952 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit