🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.71 AU - 0.85 AU

Year: 205 Days

Day: 44.5 Hours

Environment

Temp: 232 °C

Axial Tilt: 36 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 83,956,762 km

• M1: 100,231 km (0.061 R)
• M2: 356,641 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.89 AU - 1.09 AU

Year: 294 Days

Day: 12.7 Hours

Environment

Temp: 204 °C

Axial Tilt: 45.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,956,762 km

• M1: 399,576 km (0.07 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.96 AU - 1.24 AU

Year: 344 Days

Day: 24.1 Hours

Environment

Temp: 254 °C

Axial Tilt: 38.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.94 AU - 1.34 AU

Year: 363 Days

Day: 35.4 Hours

Environment

Temp: 247 °C

Axial Tilt: 15.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 83,956,762 km

• M1: 94,247 km (0.048 R)
• M2: 239,057 km (0.113 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.15 AU - 1.69 AU

Year: 505 Days

Day: 30.4 Hours

Environment

Temp: 186 °C

Axial Tilt: 10.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.08 AU - 1.8 AU

Year: 515 Days

Day: 37.7 Hours

Environment

Temp: 108 °C

Axial Tilt: 9.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,956,762 km

• M1: 744,997 km (0.097 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.24 AU - 2.8 AU

Year: 1193 Days

Day: 40.8 Hours

Environment

Temp: 13 °C

Axial Tilt: 19.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 83,956,762 km

• M1: 1,198,279 km (0.049 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.36 AU - 4.36 AU

Year: 2262 Days

Day: 33.7 Hours

Environment

Temp: -56 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.75 AU - 4.39 AU

Year: 2449 Days

Day: 38.9 Hours

Environment

Temp: -65 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 83,956,762 km

• M1: 3,232,511 km (0.117 R)
• M2: 3,388,392 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.3

Radius: 4.6

Gravity: 33.43 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 17.95 AU - 18.09 AU

Year: 22813 Days

Day: 15.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 83,956,762 km

• M1: 59,839 km (0.063 R)
• M2: 117,285 km (0.108 R)
• M3: 226,940 km (0.098 R)
• M4: 330,910 km (0.073 R)
• M5: 606,619 km (0.042 R)
• M6: 1,780,514 km (0.114 R)
• M7: 2,063,403 km (0.117 R)
• M8: 2,284,808 km (0.12 R)
• M9: 2,911,773 km (0.06 R)
• M10: 3,765,079 km (0.115 R)
• M11: 4,358,235 km (0.029 R)
• M12: 4,405,059 km (0.119 R)
• M13: 5,477,227 km (0.09 R)
• M14: 6,841,709 km (0.077 R)
• M15: 6,950,915 km (0.083 R)
• M16: 7,505,176 km (0.115 R)
• M17: 8,131,243 km (0.029 R)
• M18: 8,304,776 km (0.077 R)
• M19: 8,596,941 km (0.104 R)
• M20: 9,071,316 km (0.047 R)
• M21: 10,169,364 km (0.059 R)
• M22: 10,607,686 km (0.112 R)
• M23: 11,180,197 km (0.087 R)
• M24: 12,024,677 km (0.116 R)
• M25: 12,222,445 km (0.106 R)
• M26: 13,227,593 km (0.102 R)
• M27: 13,431,794 km (0.082 R)
• M28: 14,538,370 km (0.114 R)
• M29: 14,749,004 km (0.076 R)
• M30: 16,106,904 km (0.033 R)
• M31: 17,803,343 km (0.12 R)
• M32: 18,028,638 km (0.113 R)
• M33: 18,634,509 km (0.12 R)
• M34: 18,710,654 km (0.093 R)
• M35: 18,863,394 km (0.045 R)
• M36: 18,939,838 km (0.119 R)
• M37: 19,246,813 km (0.111 R)
• M38: 19,401,049 km (0.112 R)
• M39: 20,177,761 km (0.087 R)
• M40: 20,648,695 km (0.093 R)
• M41: 20,806,521 km (0.113 R)
• M42: 21,043,932 km (0.089 R)
• M43: 21,123,369 km (0.101 R)
• M44: 22,975,540 km (0.118 R)
• M45: 24,045,165 km (0.117 R)
• M46: 24,544,373 km (0.097 R)
• M47: 24,795,249 km (0.104 R)
• M48: 25,047,022 km (0.056 R)
• M49: 25,637,634 km (0.112 R)
• M50: 25,977,072 km (0.049 R)
• M51: 27,697,148 km (0.049 R)
• M52: 27,958,346 km (0.087 R)
• M53: 28,834,690 km (0.12 R)
• M54: 30,345,330 km (0.091 R)
• M55: 30,884,480 km (0.112 R)
• M56: 31,426,922 km (0.035 R)
• M57: 32,246,419 km (0.117 R)
• M58: 32,429,527 km (0.058 R)
• M59: 32,521,231 km (0.091 R)
• M60: 33,165,250 km (0.093 R)
• M61: 33,999,407 km (0.118 R)
• M62: 35,972,753 km (0.099 R)
• M63: 36,448,025 km (0.118 R)
• M64: 36,925,392 km (0.116 R)
• M65: 37,116,877 km (0.113 R)
• M66: 37,886,259 km (0.085 R)
• M67: 37,982,750 km (0.083 R)
• M68: 39,050,131 km (0.102 R)
• M69: 39,734,541 km (0.112 R)
• M70: 41,214,363 km (0.096 R)
• M71: 41,711,626 km (0.077 R)
• M72: 45,145,346 km (0.103 R)
• M73: 45,863,416 km (0.098 R)
• M74: 52,278,921 km (0.074 R)
• M75: 54,988,138 km (0.055 R)
• M76: 55,206,850 km (0.119 R)
• M77: 55,754,827 km (0.078 R)
• M78: 57,964,837 km (0.106 R)
• M79: 59,304,635 km (0.047 R)
• M80: 62,584,120 km (0.05 R)
• M81: 64,533,829 km (0.104 R)
• M82: 65,806,009 km (0.099 R)
• M83: 66,038,185 km (0.094 R)
• M84: 69,671,917 km (0.108 R)
• M85: 70,145,394 km (0.058 R)
• M86: 72,889,169 km (0.09 R)
• M87: 73,851,682 km (0.115 R)
• M88: 74,697,358 km (0.032 R)
• M89: 76,398,286 km (0.069 R)
• M90: 77,253,537 km (0.084 R)
• M91: 78,726,927 km (0.107 R)
• M92: 80,706,106 km (0.108 R)

Kuiper Belt

Range: 36.8 - 65.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 11,484 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit