🌌 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: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.41 AU - 0.63 AU

Year: 139 Days

Day: 32.4 Hours

Environment

Temp: 198 °C

Axial Tilt: 13.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,944,866 km

• M1: 200,162 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.51 AU - 0.59 AU

Year: 151 Days

Day: 27.9 Hours

Environment

Temp: 217 °C

Axial Tilt: 49.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,944,866 km

• M1: 45,627 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.51 AU - 0.77 AU

Year: 190 Days

Day: 32 Hours

Environment

Temp: 204 °C

Axial Tilt: 32.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.67 AU - 0.91 AU

Year: 260 Days

Day: 44 Hours

Environment

Temp: 111 °C

Axial Tilt: 1.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,944,866 km

• M1: 529,128 km (0.105 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.56 AU - 2.34 AU

Year: 1010 Days

Day: 20.8 Hours

Environment

Temp: -77 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.8 AU - 2.4 AU

Year: 1129 Days

Day: 38.7 Hours

Environment

Temp: -80 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.15 AU - 2.25 AU

Year: 1210 Days

Day: 17.7 Hours

Environment

Temp: -78 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,944,866 km

• M1: 976,276 km (0.058 R)

Planet 8 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.25 AU - 2.77 AU

Year: 1475 Days

Day: 31 Hours

Environment

Temp: -86 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,944,866 km

• M1: 61,186 km (0.108 R)
• M2: 1,479,972 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.6

Radius: 5

Gravity: 12.3 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 14.63 AU - 23.07 AU

Year: 30351 Days

Day: 16.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 76,944,866 km

• M1: 366,066 km (0.068 R)
• M2: 631,752 km (0.081 R)
• M3: 747,690 km (0.062 R)
• M4: 1,108,371 km (0.118 R)
• M5: 1,609,823 km (0.117 R)
• M6: 2,313,381 km (0.054 R)
• M7: 2,420,793 km (0.06 R)
• M8: 2,715,501 km (0.118 R)
• M9: 2,790,898 km (0.076 R)
• M10: 2,905,490 km (0.094 R)
• M11: 3,459,900 km (0.078 R)
• M12: 3,500,740 km (0.096 R)
• M13: 3,918,118 km (0.103 R)
• M14: 3,960,753 km (0.084 R)
• M15: 4,003,538 km (0.066 R)
• M16: 4,046,473 km (0.031 R)
• M17: 4,176,174 km (0.073 R)
• M18: 4,395,335 km (0.104 R)
• M19: 4,573,357 km (0.043 R)
• M20: 5,075,257 km (0.06 R)
• M21: 5,309,079 km (0.12 R)
• M22: 5,403,625 km (0.11 R)
• M23: 5,835,963 km (0.084 R)
• M24: 6,429,567 km (0.117 R)
• M25: 6,835,875 km (0.03 R)
• M26: 7,355,428 km (0.096 R)
• M27: 7,408,087 km (0.1 R)
• M28: 8,212,923 km (0.108 R)
• M29: 8,267,676 km (0.118 R)
• M30: 8,653,489 km (0.119 R)
• M31: 8,709,139 km (0.088 R)
• M32: 10,079,007 km (0.104 R)
• M33: 12,255,656 km (0.102 R)
• M34: 12,821,884 km (0.082 R)
• M35: 13,654,546 km (0.088 R)
• M36: 14,044,697 km (0.104 R)
• M37: 14,902,641 km (0.099 R)
• M38: 17,295,459 km (0.115 R)
• M39: 17,646,864 km (0.111 R)
• M40: 19,293,787 km (0.046 R)
• M41: 21,363,773 km (0.09 R)
• M42: 21,967,999 km (0.112 R)
• M43: 22,731,247 km (0.089 R)
• M44: 23,814,335 km (0.073 R)
• M45: 26,030,329 km (0.065 R)
• M46: 28,476,703 km (0.104 R)
• M47: 28,725,334 km (0.034 R)
• M48: 29,559,342 km (0.114 R)
• M49: 31,165,724 km (0.066 R)
• M50: 31,764,714 km (0.106 R)
• M51: 31,936,453 km (0.102 R)
• M52: 34,286,186 km (0.09 R)
• M53: 34,815,912 km (0.09 R)
• M54: 35,793,983 km (0.084 R)
• M55: 37,142,309 km (0.113 R)
• M56: 37,959,263 km (0.097 R)
• M57: 38,232,877 km (0.111 R)
• M58: 38,507,090 km (0.081 R)
• M59: 39,057,610 km (0.09 R)
• M60: 40,259,330 km (0.103 R)
• M61: 44,415,757 km (0.109 R)
• M62: 44,511,799 km (0.107 R)
• M63: 44,704,033 km (0.089 R)
• M64: 44,800,374 km (0.05 R)
• M65: 45,669,537 km (0.08 R)
• M66: 46,739,611 km (0.069 R)
• M67: 46,935,135 km (0.12 R)
• M68: 47,719,626 km (0.074 R)
• M69: 49,599,922 km (0.114 R)
• M70: 49,799,336 km (0.101 R)
• M71: 50,499,155 km (0.095 R)
• M72: 50,699,766 km (0.06 R)
• M73: 51,302,944 km (0.102 R)
• M74: 51,908,516 km (0.109 R)
• M75: 53,330,743 km (0.075 R)
• M76: 53,432,919 km (0.116 R)
• M77: 54,971,832 km (0.052 R)
• M78: 57,150,725 km (0.081 R)
• M79: 60,631,419 km (0.101 R)
• M80: 61,806,809 km (0.114 R)
• M81: 61,914,071 km (0.086 R)
• M82: 63,205,549 km (0.117 R)
• M83: 64,614,761 km (0.095 R)
• M84: 66,473,066 km (0.084 R)
• M85: 66,692,825 km (0.074 R)
• M86: 67,906,064 km (0.052 R)
• M87: 69,015,182 km (0.087 R)
• M88: 69,795,186 km (0.101 R)
• M89: 70,690,080 km (0.098 R)
• M90: 71,701,511 km (0.057 R)
• M91: 72,265,346 km (0.109 R)
• M92: 72,491,388 km (0.069 R)
• M93: 72,830,826 km (0.102 R)
• M94: 74,649,936 km (0.12 R)
• M95: 75,107,107 km (0.039 R)
• M96: 76,024,142 km (0.117 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 16,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit