🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.64 AU - 0.72 AU

Year: 212 Days

Day: 13.8 Hours

Environment

Temp: 161 °C

Axial Tilt: 14.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.9 AU - 1.04 AU

Year: 362 Days

Day: 24.8 Hours

Environment

Temp: 19 °C

Axial Tilt: 7.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.84 AU - 3.96 AU

Year: 2917 Days

Day: 36.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.8

Radius: 11.6

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.71 AU - 4.77 AU

Year: 3307 Days

Day: 11.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,476,627 km

• M1: 144,362 km (0.104 R)
• M2: 473,627 km (0.115 R)
• M3: 765,492 km (0.089 R)
• M4: 1,426,864 km (0.116 R)
• M5: 2,416,903 km (0.102 R)
• M6: 3,461,246 km (0.093 R)
• M7: 4,240,950 km (0.115 R)
• M8: 4,834,106 km (0.066 R)
• M9: 5,274,821 km (0.098 R)
• M10: 6,234,641 km (0.053 R)
• M11: 6,853,976 km (0.116 R)
• M12: 7,817,835 km (0.051 R)
• M13: 8,052,853 km (0.105 R)
• M14: 8,356,986 km (0.119 R)
• M15: 8,779,001 km (0.025 R)
• M16: 10,277,972 km (0.113 R)
• M17: 11,378,264 km (0.117 R)
• M18: 12,055,045 km (0.104 R)
• M19: 12,454,472 km (0.074 R)
• M20: 12,805,877 km (0.108 R)
• M21: 13,024,739 km (0.069 R)
• M22: 14,405,527 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.9

Radius: 10.7

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.78 AU - 9.38 AU

Year: 7904 Days

Day: 9.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 52,476,627 km

• M1: 137,331 km (0.078 R)
• M2: 633,846 km (0.063 R)
• M3: 913,145 km (0.098 R)
• M4: 1,324,689 km (0.103 R)
• M5: 1,697,337 km (0.072 R)
• M6: 2,246,212 km (0.107 R)
• M7: 2,458,641 km (0.116 R)
• M8: 2,823,361 km (0.093 R)
• M9: 3,272,453 km (0.053 R)
• M10: 3,756,403 km (0.116 R)
• M11: 4,663,265 km (0.066 R)
• M12: 4,947,800 km (0.073 R)
• M13: 5,748,897 km (0.118 R)
• M14: 6,011,890 km (0.115 R)
• M15: 6,528,152 km (0.103 R)
• M16: 6,780,374 km (0.11 R)
• M17: 7,959,953 km (0.081 R)
• M18: 8,332,601 km (0.074 R)
• M19: 8,554,006 km (0.084 R)
• M20: 9,136,840 km (0.103 R)
• M21: 10,290,838 km (0.066 R)
• M22: 11,514,548 km (0.047 R)
• M23: 11,850,096 km (0.12 R)
• M24: 12,343,320 km (0.053 R)
• M25: 12,613,195 km (0.061 R)
• M26: 13,122,127 km (0.042 R)
• M27: 14,418,243 km (0.116 R)
• M28: 15,047,003 km (0.085 R)
• M29: 15,993,658 km (0.111 R)
• M30: 17,743,504 km (0.04 R)
• M31: 18,160,284 km (0.081 R)
• M32: 18,534,877 km (0.048 R)
• M33: 18,960,932 km (0.048 R)
• M34: 19,876,171 km (0.039 R)
• M35: 21,063,530 km (0.082 R)
• M36: 22,130,911 km (0.108 R)
• M37: 24,129,688 km (0.113 R)
• M38: 25,106,861 km (0.114 R)
• M39: 26,159,432 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.6

Radius: 8

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 8.63 AU - 11.37 AU

Year: 11977 Days

Day: 13.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,476,627 km

• M1: 114,592 km (0.069 R)
• M2: 418,126 km (0.102 R)
• M3: 655,089 km (0.088 R)
• M4: 957,576 km (0.071 R)
• M5: 1,140,833 km (0.094 R)
• M6: 1,457,083 km (0.085 R)
• M7: 2,194,601 km (0.067 R)
• M8: 2,822,313 km (0.12 R)
• M9: 4,089,407 km (0.083 R)
• M10: 4,353,896 km (0.082 R)
• M11: 5,198,077 km (0.106 R)
• M12: 6,479,084 km (0.079 R)
• M13: 6,812,388 km (0.117 R)
• M14: 9,163,618 km (0.108 R)
• M15: 9,515,621 km (0.075 R)
• M16: 10,753,095 km (0.051 R)
• M17: 10,990,656 km (0.112 R)
• M18: 14,371,419 km (0.099 R)
• M19: 17,537,358 km (0.074 R)
• M20: 19,525,215 km (0.05 R)
• M21: 20,103,560 km (0.085 R)
• M22: 21,486,144 km (0.11 R)
• M23: 23,331,733 km (0.04 R)
• M24: 24,176,362 km (0.072 R)
• M25: 27,934,859 km (0.112 R)
• M26: 28,936,417 km (0.055 R)
• M27: 29,326,419 km (0.065 R)
• M28: 31,234,539 km (0.119 R)
• M29: 38,031,070 km (0.105 R)
• M30: 42,902,874 km (0.116 R)
• M31: 43,187,559 km (0.1 R)
• M32: 45,595,486 km (0.107 R)
• M33: 46,774,617 km (0.054 R)
• M34: 50,813,909 km (0.041 R)
• M35: 51,227,098 km (0.092 R)
• M36: 51,538,112 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 10,585 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit