🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.49 AU - 0.53 AU

Year: 156 Days

Day: 27.4 Hours

Environment

Temp: 109 °C

Axial Tilt: 46.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.58 AU - 0.88 AU

Year: 267 Days

Day: 47.9 Hours

Environment

Temp: -15 °C

Axial Tilt: 3.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.06 AU - 1.5 AU

Year: 619 Days

Day: 27.1 Hours

Environment

Temp: -69 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.52 AU - 1.64 AU

Year: 849 Days

Day: 32.8 Hours

Environment

Temp: -102 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.48 AU - 1.92 AU

Year: 948 Days

Day: 31.7 Hours

Environment

Temp: -105 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 95,169,032 km

• M1: 964,607 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.7

Radius: 10.3

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.69 AU - 10.09 AU

Year: 13296 Days

Day: 12.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 95,169,032 km

• M1: 140,772 km (0.07 R)
• M2: 253,568 km (0.074 R)
• M3: 400,174 km (0.073 R)
• M4: 475,871 km (0.118 R)
• M5: 897,886 km (0.053 R)
• M6: 1,121,685 km (0.066 R)
• M7: 1,288,187 km (0.087 R)
• M8: 1,485,656 km (0.061 R)
• M9: 1,576,612 km (0.083 R)
• M10: 1,788,443 km (0.044 R)
• M11: 1,947,166 km (0.114 R)
• M12: 2,059,963 km (0.1 R)
• M13: 2,344,947 km (0.031 R)
• M14: 2,698,147 km (0.053 R)
• M15: 2,981,486 km (0.116 R)
• M16: 3,200,347 km (0.076 R)
• M17: 3,684,895 km (0.102 R)
• M18: 4,487,936 km (0.096 R)
• M19: 4,604,622 km (0.085 R)
• M20: 4,773,219 km (0.077 R)
• M21: 6,435,850 km (0.095 R)
• M22: 7,854,786 km (0.063 R)
• M23: 7,935,269 km (0.048 R)
• M24: 8,672,039 km (0.115 R)
• M25: 8,922,466 km (0.042 R)
• M26: 9,366,622 km (0.076 R)
• M27: 9,602,089 km (0.059 R)
• M28: 9,991,642 km (0.112 R)
• M29: 12,647,902 km (0.113 R)
• M30: 14,929,867 km (0.11 R)
• M31: 16,194,568 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.4

Radius: 5.1

Gravity: 31 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 14.86 AU - 15.9 AU

Year: 25785 Days

Day: 15.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 95,169,032 km

• M1: 78,988 km (0.116 R)
• M2: 204,351 km (0.084 R)
• M3: 312,510 km (0.098 R)
• M4: 485,295 km (0.11 R)
• M5: 607,816 km (0.118 R)
• M6: 712,983 km (0.093 R)
• M7: 853,007 km (0.084 R)
• M8: 1,158,785 km (0.119 R)
• M9: 1,357,601 km (0.091 R)
• M10: 2,056,073 km (0.088 R)
• M11: 2,095,567 km (0.051 R)
• M12: 2,296,627 km (0.078 R)
• M13: 2,503,969 km (0.075 R)
• M14: 2,674,212 km (0.042 R)
• M15: 3,025,916 km (0.042 R)
• M16: 3,161,601 km (0.1 R)
• M17: 3,438,956 km (0.11 R)
• M18: 4,780,849 km (0.09 R)
• M19: 4,833,358 km (0.055 R)
• M20: 4,992,081 km (0.099 R)
• M21: 6,150,118 km (0.096 R)
• M22: 6,379,900 km (0.11 R)
• M23: 9,150,603 km (0.044 R)
• M24: 10,417,397 km (0.117 R)
• M25: 10,553,980 km (0.079 R)
• M26: 10,897,906 km (0.063 R)
• M27: 12,023,031 km (0.12 R)
• M28: 12,599,282 km (0.037 R)
• M29: 13,480,563 km (0.078 R)
• M30: 14,079,104 km (0.079 R)
• M31: 16,717,562 km (0.096 R)
• M32: 17,522,099 km (0.101 R)
• M33: 17,603,181 km (0.058 R)
• M34: 19,335,824 km (0.111 R)
• M35: 20,863,517 km (0.114 R)
• M36: 21,641,875 km (0.08 R)
• M37: 22,166,066 km (0.1 R)
• M38: 23,943,289 km (0.05 R)
• M39: 24,123,405 km (0.101 R)
• M40: 25,765,690 km (0.114 R)
• M41: 26,506,948 km (0.117 R)
• M42: 26,786,845 km (0.095 R)
• M43: 30,610,268 km (0.104 R)
• M44: 30,903,779 km (0.104 R)
• M45: 31,100,051 km (0.086 R)
• M46: 31,592,378 km (0.086 R)
• M47: 33,185,296 km (0.072 R)
• M48: 36,138,208 km (0.085 R)
• M49: 38,644,720 km (0.071 R)
• M50: 39,067,933 km (0.118 R)
• M51: 39,492,641 km (0.109 R)
• M52: 39,918,845 km (0.088 R)
• M53: 40,239,583 km (0.05 R)
• M54: 40,776,041 km (0.11 R)
• M55: 43,933,454 km (0.038 R)
• M56: 44,154,111 km (0.092 R)
• M57: 45,485,532 km (0.099 R)
• M58: 46,156,329 km (0.117 R)
• M59: 46,717,769 km (0.037 R)
• M60: 51,289,780 km (0.108 R)
• M61: 52,806,104 km (0.04 R)
• M62: 54,692,383 km (0.088 R)
• M63: 54,811,014 km (0.057 R)
• M64: 56,241,319 km (0.063 R)
• M65: 56,840,758 km (0.041 R)
• M66: 57,563,017 km (0.115 R)
• M67: 57,925,343 km (0.119 R)
• M68: 58,167,242 km (0.087 R)
• M69: 62,579,033 km (0.074 R)
• M70: 65,453,556 km (0.092 R)
• M71: 66,716,761 km (0.102 R)
• M72: 68,370,864 km (0.071 R)
• M73: 69,909,628 km (0.098 R)
• M74: 70,683,348 km (0.09 R)
• M75: 72,239,166 km (0.089 R)
• M76: 73,151,863 km (0.065 R)
• M77: 74,593,986 km (0.118 R)
• M78: 76,177,929 km (0.071 R)
• M79: 77,639,500 km (0.087 R)
• M80: 78,306,856 km (0.081 R)
• M81: 78,440,596 km (0.035 R)
• M82: 78,842,117 km (0.11 R)
• M83: 79,244,386 km (0.071 R)
• M84: 81,536,823 km (0.03 R)
• M85: 81,672,359 km (0.045 R)
• M86: 82,895,471 km (0.073 R)
• M87: 84,398,631 km (0.038 R)
• M88: 86,462,782 km (0.082 R)
• M89: 87,570,405 km (0.12 R)
• M90: 89,101,090 km (0.063 R)
• M91: 91,624,956 km (0.05 R)
• M92: 92,188,940 km (0.085 R)
• M93: 92,612,751 km (0.107 R)
• M94: 92,895,640 km (0.097 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: 526 - 14,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit