🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.5 AU - 0.76 AU

Year: 148 Days

Day: 27.1 Hours

Environment

Temp: 337 °C

Axial Tilt: 38.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,459,385 km

• M1: 58,792 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.73 AU - 0.87 AU

Year: 211 Days

Day: 28.7 Hours

Environment

Temp: 328 °C

Axial Tilt: 31.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.21 AU - 1.61 AU

Year: 494 Days

Day: 46.7 Hours

Environment

Temp: 205 °C

Axial Tilt: 24.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,459,385 km

• M1: 30,967 km (0.085 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.91 AU - 2.59 AU

Year: 997 Days

Day: 14.9 Hours

Environment

Temp: 14 °C

Axial Tilt: 36.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.8 AU - 3.02 AU

Year: 1466 Days

Day: 12 Hours

Environment

Temp: -29 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.65 AU - 3.25 AU

Year: 1496 Days

Day: 47.7 Hours

Environment

Temp: -21 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.97 AU - 3.09 AU

Year: 1557 Days

Day: 20 Hours

Environment

Temp: -33 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.12 AU - 4.18 AU

Year: 2059 Days

Day: 36.6 Hours

Environment

Temp: -61 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.09 AU - 10.33 AU

Year: 8253 Days

Day: 45.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,459,385 km

• M1: 3,327,057 km (0.059 R)

Planet 10 - Gas Giant

Semi-Major Axis: 15.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.2

Radius: 10.1

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 14.56 AU - 17.1 AU

Year: 18598 Days

Day: 13.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 71,459,385 km

• M1: 167,400 km (0.095 R)
• M2: 243,845 km (0.11 R)
• M3: 407,505 km (0.115 R)
• M4: 592,707 km (0.115 R)
• M5: 717,771 km (0.072 R)
• M6: 971,489 km (0.112 R)
• M7: 1,045,689 km (0.095 R)
• M8: 1,147,864 km (0.086 R)
• M9: 1,253,630 km (0.073 R)
• M10: 1,362,687 km (0.065 R)
• M11: 1,800,560 km (0.059 R)
• M12: 2,449,366 km (0.11 R)
• M13: 2,622,301 km (0.115 R)
• M14: 3,240,439 km (0.12 R)
• M15: 4,394,737 km (0.109 R)
• M16: 4,478,661 km (0.085 R)
• M17: 4,605,670 km (0.116 R)
• M18: 4,776,810 km (0.059 R)
• M19: 5,258,515 km (0.087 R)
• M20: 6,362,846 km (0.052 R)
• M21: 6,601,904 km (0.072 R)
• M22: 6,698,245 km (0.105 R)
• M23: 7,236,947 km (0.115 R)
• M24: 7,386,395 km (0.068 R)
• M25: 8,045,373 km (0.108 R)
• M26: 9,473,734 km (0.106 R)
• M27: 9,856,705 km (0.064 R)
• M28: 10,638,054 km (0.12 R)
• M29: 11,036,134 km (0.091 R)
• M30: 11,265,767 km (0.106 R)
• M31: 11,964,389 km (0.054 R)
• M32: 12,857,189 km (0.059 R)
• M33: 13,403,221 km (0.116 R)
• M34: 13,586,927 km (0.115 R)
• M35: 16,769,473 km (0.075 R)
• M36: 16,901,418 km (0.117 R)
• M37: 17,633,101 km (0.034 R)
• M38: 17,700,121 km (0.053 R)
• M39: 18,104,185 km (0.098 R)
• M40: 18,375,256 km (0.107 R)
• M41: 18,511,241 km (0.064 R)
• M42: 19,889,785 km (0.102 R)
• M43: 20,309,856 km (0.116 R)
• M44: 20,450,478 km (0.092 R)
• M45: 21,587,272 km (0.113 R)
• M46: 21,946,756 km (0.112 R)
• M47: 22,235,779 km (0.098 R)
• M48: 23,773,794 km (0.104 R)
• M49: 24,518,193 km (0.114 R)
• M50: 26,106,324 km (0.118 R)
• M51: 26,643,082 km (0.115 R)
• M52: 30,179,426 km (0.082 R)
• M53: 30,339,944 km (0.092 R)
• M54: 30,985,160 km (0.073 R)
• M55: 31,716,245 km (0.08 R)
• M56: 36,905,645 km (0.055 R)
• M57: 37,766,880 km (0.094 R)
• M58: 38,026,582 km (0.12 R)
• M59: 39,421,732 km (0.095 R)
• M60: 39,509,396 km (0.069 R)
• M61: 39,861,101 km (0.11 R)
• M62: 41,367,102 km (0.074 R)
• M63: 41,724,193 km (0.094 R)
• M64: 41,992,721 km (0.106 R)
• M65: 43,706,215 km (0.113 R)
• M66: 44,434,607 km (0.074 R)
• M67: 44,617,415 km (0.072 R)
• M68: 45,626,752 km (0.111 R)
• M69: 49,171,324 km (0.094 R)
• M70: 50,404,160 km (0.099 R)
• M71: 50,785,635 km (0.086 R)
• M72: 50,881,078 km (0.078 R)
• M73: 52,417,149 km (0.1 R)
• M74: 53,287,809 km (0.038 R)
• M75: 56,818,169 km (0.073 R)
• M76: 56,917,352 km (0.1 R)
• M77: 58,111,442 km (0.114 R)
• M78: 58,411,386 km (0.059 R)
• M79: 60,930,016 km (0.098 R)
• M80: 61,336,174 km (0.057 R)
• M81: 62,662,808 km (0.075 R)
• M82: 63,278,254 km (0.061 R)
• M83: 63,689,648 km (0.083 R)
• M84: 63,792,721 km (0.091 R)
• M85: 64,929,216 km (0.109 R)
• M86: 65,760,082 km (0.059 R)
• M87: 68,062,842 km (0.056 R)
• M88: 68,484,409 km (0.071 R)
• M89: 68,906,874 km (0.112 R)
• M90: 69,860,410 km (0.06 R)
• M91: 71,031,762 km (0.096 R)

Kuiper Belt

Range: 37.1 - 56.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 13,919 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit