🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.41 AU - 0.65 AU

Year: 143 Days

Day: 12.2 Hours

Environment

Temp: 219 °C

Axial Tilt: 18.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.53 AU - 0.75 AU

Year: 190 Days

Day: 42.5 Hours

Environment

Temp: 210 °C

Axial Tilt: 32.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.57 AU - 0.77 AU

Year: 203 Days

Day: 18.1 Hours

Environment

Temp: 202 °C

Axial Tilt: 156.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.7 AU - 0.74 AU

Year: 227 Days

Day: 23 Hours

Environment

Temp: 118 °C

Axial Tilt: 10.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.42 AU - 1.74 AU

Year: 737 Days

Day: 27.9 Hours

Environment

Temp: -43 °C

Axial Tilt: 48.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.12 AU - 2.58 AU

Year: 1336 Days

Day: 15 Hours

Environment

Temp: -88 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223

Radius: 10.4

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.51 AU - 4.85 AU

Year: 3755 Days

Day: 10.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 19,670,733 km

• M1: 132,095 km (0.069 R)
• M2: 465,249 km (0.086 R)
• M3: 551,418 km (0.112 R)
• M4: 643,869 km (0.071 R)
• M5: 742,305 km (0.043 R)
• M6: 882,029 km (0.1 R)
• M7: 983,606 km (0.119 R)
• M8: 1,089,222 km (0.1 R)
• M9: 1,551,031 km (0.036 R)
• M10: 1,839,156 km (0.074 R)
• M11: 1,910,814 km (0.075 R)
• M12: 2,057,270 km (0.083 R)
• M13: 2,194,750 km (0.107 R)
• M14: 2,361,402 km (0.102 R)
• M15: 2,439,642 km (0.057 R)
• M16: 2,505,615 km (0.096 R)
• M17: 3,111,935 km (0.074 R)
• M18: 3,314,191 km (0.104 R)
• M19: 3,402,304 km (0.1 R)
• M20: 3,476,206 km (0.115 R)
• M21: 3,962,548 km (0.061 R)
• M22: 4,087,612 km (0.032 R)
• M23: 4,798,501 km (0.1 R)
• M24: 4,915,188 km (0.1 R)
• M25: 5,015,867 km (0.039 R)
• M26: 5,151,253 km (0.11 R)
• M27: 5,305,189 km (0.102 R)
• M28: 5,547,388 km (0.104 R)
• M29: 5,705,214 km (0.115 R)
• M30: 6,205,320 km (0.093 R)
• M31: 6,387,530 km (0.086 R)
• M32: 6,534,435 km (0.1 R)
• M33: 7,000,881 km (0.081 R)
• M34: 7,228,719 km (0.06 R)
• M35: 7,555,590 km (0.092 R)
• M36: 7,672,127 km (0.065 R)
• M37: 7,848,054 km (0.048 R)
• M38: 8,303,729 km (0.103 R)
• M39: 8,403,960 km (0.1 R)
• M40: 8,747,735 km (0.098 R)
• M41: 9,199,521 km (0.03 R)
• M42: 9,323,986 km (0.095 R)
• M43: 9,764,403 km (0.105 R)
• M44: 10,905,685 km (0.076 R)
• M45: 11,037,480 km (0.042 R)
• M46: 11,147,734 km (0.115 R)
• M47: 11,258,437 km (0.077 R)
• M48: 11,907,542 km (0.094 R)
• M49: 12,088,705 km (0.086 R)
• M50: 12,316,542 km (0.097 R)
• M51: 12,385,058 km (0.11 R)
• M52: 12,453,873 km (0.116 R)
• M53: 13,148,306 km (0.1 R)
• M54: 13,476,674 km (0.101 R)
• M55: 13,571,070 km (0.048 R)
• M56: 13,641,979 km (0.12 R)
• M57: 14,357,656 km (0.1 R)
• M58: 14,526,402 km (0.115 R)
• M59: 14,914,609 km (0.098 R)
• M60: 15,454,058 km (0.098 R)
• M61: 15,726,177 km (0.12 R)
• M62: 15,850,343 km (0.098 R)
• M63: 16,300,184 km (0.077 R)
• M64: 16,526,675 km (0.106 R)
• M65: 16,982,949 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.7

Radius: 11.6

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.28 AU - 5.84 AU

Year: 4221 Days

Day: 6.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 19,670,733 km

• M1: 149,149 km (0.106 R)
• M2: 245,789 km (0.111 R)
• M3: 336,894 km (0.102 R)
• M4: 417,079 km (0.108 R)
• M5: 505,940 km (0.108 R)
• M6: 689,197 km (0.082 R)
• M7: 827,725 km (0.088 R)
• M8: 955,930 km (0.097 R)
• M9: 1,059,452 km (0.108 R)
• M10: 1,145,321 km (0.045 R)
• M11: 1,267,393 km (0.117 R)
• M12: 1,825,692 km (0.095 R)
• M13: 1,996,533 km (0.105 R)
• M14: 2,186,672 km (0.072 R)
• M15: 2,326,247 km (0.085 R)
• M16: 2,497,686 km (0.075 R)
• M17: 3,177,908 km (0.117 R)
• M18: 3,257,045 km (0.067 R)
• M19: 3,384,951 km (0.059 R)
• M20: 3,596,482 km (0.068 R)
• M21: 3,896,426 km (0.049 R)
• M22: 4,049,614 km (0.052 R)
• M23: 4,187,394 km (0.051 R)
• M24: 4,344,472 km (0.061 R)
• M25: 4,845,325 km (0.08 R)
• M26: 5,084,084 km (0.071 R)
• M27: 5,364,580 km (0.12 R)
• M28: 5,882,188 km (0.097 R)
• M29: 6,739,534 km (0.083 R)
• M30: 7,089,443 km (0.063 R)
• M31: 7,235,151 km (0.113 R)
• M32: 7,487,373 km (0.111 R)
• M33: 7,935,718 km (0.042 R)
• M34: 8,043,878 km (0.09 R)
• M35: 8,152,486 km (0.109 R)
• M36: 8,261,393 km (0.034 R)
• M37: 8,613,696 km (0.098 R)
• M38: 8,702,557 km (0.071 R)
• M39: 9,038,404 km (0.109 R)
• M40: 9,151,351 km (0.075 R)
• M41: 9,630,812 km (0.112 R)
• M42: 9,861,940 km (0.101 R)
• M43: 10,071,527 km (0.039 R)
• M44: 11,826,160 km (0.116 R)
• M45: 11,999,245 km (0.067 R)
• M46: 12,423,355 km (0.099 R)
• M47: 12,624,714 km (0.084 R)
• M48: 12,725,692 km (0.118 R)
• M49: 13,440,770 km (0.086 R)
• M50: 13,595,604 km (0.072 R)
• M51: 13,699,275 km (0.091 R)
• M52: 13,803,096 km (0.084 R)
• M53: 13,959,426 km (0.116 R)
• M54: 14,590,430 km (0.083 R)
• M55: 15,500,434 km (0.119 R)
• M56: 15,771,655 km (0.118 R)
• M57: 15,989,619 km (0.084 R)
• M58: 16,181,254 km (0.076 R)
• M59: 16,483,890 km (0.079 R)
• M60: 16,955,423 km (0.068 R)
• M61: 17,206,747 km (0.12 R)
• M62: 17,769,833 km (0.034 R)
• M63: 17,968,350 km (0.106 R)
• M64: 18,856,363 km (0.087 R)
• M65: 18,943,130 km (0.087 R)
• M66: 19,145,835 km (0.097 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 11,199 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit