🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.54 AU - 0.56 AU

Year: 149 Days

Day: 29.3 Hours

Environment

Temp: 163 °C

Axial Tilt: 27.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.44 AU - 0.72 AU

Year: 161 Days

Day: 28 Hours

Environment

Temp: 155 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.78 AU - 0.8 AU

Year: 256 Days

Day: 13 Hours

Environment

Temp: 137 °C

Axial Tilt: 12.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,660,101 km

• M1: 698,921 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.79 AU - 1.21 AU

Year: 365 Days

Day: 29.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 16.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.71 AU - 1.93 AU

Year: 897 Days

Day: 21.5 Hours

Environment

Temp: -60 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.75 AU - 2.81 AU

Year: 1257 Days

Day: 41.8 Hours

Environment

Temp: -71 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 54,660,101 km

• M1: 217,216 km (0.104 R)
• M2: 634,145 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.7

Radius: 7.3

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 12.16 AU - 15.1 AU

Year: 18380 Days

Day: 15.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 54,660,101 km

• M1: 137,331 km (0.109 R)
• M2: 268,827 km (0.092 R)
• M3: 417,976 km (0.101 R)
• M4: 511,026 km (0.052 R)
• M5: 560,543 km (0.074 R)
• M6: 775,515 km (0.108 R)
• M7: 833,410 km (0.118 R)
• M8: 1,016,069 km (0.049 R)
• M9: 1,279,511 km (0.11 R)
• M10: 1,325,587 km (0.04 R)
• M11: 1,842,298 km (0.047 R)
• M12: 2,136,108 km (0.106 R)
• M13: 2,531,495 km (0.089 R)
• M14: 2,648,630 km (0.114 R)
• M15: 3,388,691 km (0.076 R)
• M16: 3,648,842 km (0.112 R)
• M17: 3,949,533 km (0.056 R)
• M18: 4,292,860 km (0.08 R)
• M19: 4,538,949 km (0.101 R)
• M20: 4,898,582 km (0.101 R)
• M21: 5,342,140 km (0.091 R)
• M22: 5,798,713 km (0.097 R)
• M23: 6,070,831 km (0.083 R)
• M24: 6,466,667 km (0.112 R)
• M25: 6,952,860 km (0.096 R)
• M26: 7,534,946 km (0.087 R)
• M27: 8,349,805 km (0.108 R)
• M28: 9,418,532 km (0.079 R)
• M29: 10,061,654 km (0.052 R)
• M30: 10,813,981 km (0.12 R)
• M31: 11,196,952 km (0.094 R)
• M32: 12,272,860 km (0.078 R)
• M33: 12,471,974 km (0.045 R)
• M34: 14,259,819 km (0.097 R)
• M35: 14,679,590 km (0.117 R)
• M36: 14,732,398 km (0.045 R)
• M37: 15,103,551 km (0.115 R)
• M38: 15,909,135 km (0.095 R)
• M39: 16,235,259 km (0.041 R)
• M40: 16,894,088 km (0.112 R)
• M41: 17,115,642 km (0.081 R)
• M42: 17,171,292 km (0.087 R)
• M43: 17,730,040 km (0.102 R)
• M44: 18,124,680 km (0.054 R)
• M45: 18,865,339 km (0.116 R)
• M46: 19,095,271 km (0.036 R)
• M47: 19,965,631 km (0.114 R)
• M48: 20,789,616 km (0.097 R)
• M49: 21,444,855 km (0.071 R)
• M50: 22,470,647 km (0.065 R)
• M51: 22,531,534 km (0.097 R)
• M52: 22,897,749 km (0.104 R)
• M53: 23,204,425 km (0.096 R)
• M54: 23,759,882 km (0.03 R)
• M55: 25,897,486 km (0.087 R)
• M56: 26,409,260 km (0.088 R)
• M57: 27,053,877 km (0.099 R)
• M58: 28,555,840 km (0.117 R)
• M59: 29,883,671 km (0.095 R)
• M60: 30,555,215 km (0.103 R)
• M61: 31,231,697 km (0.08 R)
• M62: 31,367,532 km (0.057 R)
• M63: 31,639,950 km (0.082 R)
• M64: 32,806,215 km (0.112 R)
• M65: 33,013,557 km (0.093 R)
• M66: 34,968,951 km (0.118 R)
• M67: 35,676,399 km (0.076 R)
• M68: 36,174,560 km (0.078 R)
• M69: 38,334,903 km (0.026 R)
• M70: 38,553,166 km (0.055 R)
• M71: 40,314,681 km (0.105 R)
• M72: 41,056,388 km (0.105 R)
• M73: 41,130,738 km (0.091 R)
• M74: 41,652,834 km (0.115 R)
• M75: 43,383,981 km (0.077 R)
• M76: 43,459,827 km (0.075 R)
• M77: 43,687,515 km (0.039 R)
• M78: 44,372,823 km (0.102 R)
• M79: 44,449,118 km (0.045 R)
• M80: 46,295,155 km (0.094 R)
• M81: 46,450,139 km (0.096 R)
• M82: 47,305,539 km (0.112 R)
• M83: 47,383,480 km (0.033 R)
• M84: 47,539,660 km (0.093 R)
• M85: 49,189,725 km (0.109 R)
• M86: 51,098,444 km (0.079 R)
• M87: 51,499,067 km (0.104 R)
• M88: 51,820,403 km (0.092 R)
• M89: 52,788,301 km (0.067 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 12,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit