🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.07 AU - 1.53 AU

Year: 528 Days

Day: 46.9 Hours

Environment

Temp: 8 °C

Axial Tilt: 9.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 15,620,082 km

• M1: 337,942 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.33 AU - 2.17 AU

Year: 825 Days

Day: 28.2 Hours

Environment

Temp: -46 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.38 AU - 5.76 AU

Year: 4069 Days

Day: 41.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.6

Radius: 12.9

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.49 AU - 9.19 AU

Year: 7825 Days

Day: 9.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 15,620,082 km

• M1: 233,821 km (0.11 R)
• M2: 314,904 km (0.081 R)
• M3: 541,694 km (0.063 R)
• M4: 626,217 km (0.066 R)
• M5: 716,275 km (0.092 R)
• M6: 980,764 km (0.057 R)
• M7: 1,624,633 km (0.094 R)
• M8: 1,820,756 km (0.114 R)
• M9: 2,001,769 km (0.065 R)
• M10: 2,431,265 km (0.109 R)
• M11: 2,606,145 km (0.115 R)
• M12: 2,863,602 km (0.111 R)
• M13: 2,968,770 km (0.11 R)
• M14: 3,265,273 km (0.045 R)
• M15: 3,431,027 km (0.106 R)
• M16: 3,771,213 km (0.071 R)
• M17: 3,945,494 km (0.052 R)
• M18: 4,241,848 km (0.115 R)
• M19: 4,332,205 km (0.067 R)
• M20: 4,825,130 km (0.046 R)
• M21: 5,336,006 km (0.117 R)
• M22: 5,931,556 km (0.12 R)
• M23: 6,618,210 km (0.115 R)
• M24: 7,006,715 km (0.062 R)
• M25: 7,842,968 km (0.105 R)
• M26: 7,954,418 km (0.03 R)
• M27: 8,066,317 km (0.109 R)
• M28: 11,746,874 km (0.069 R)
• M29: 12,174,424 km (0.087 R)
• M30: 12,346,911 km (0.117 R)
• M31: 12,476,762 km (0.083 R)
• M32: 12,737,810 km (0.041 R)
• M33: 13,621,335 km (0.098 R)
• M34: 13,710,794 km (0.054 R)
• M35: 14,891,271 km (0.033 R)
• M36: 15,075,725 km (0.105 R)
• M37: 15,214,702 km (0.103 R)
• M38: 15,447,027 km (0.083 R)
• M39: 16,674,777 km (0.049 R)
• M40: 17,010,624 km (0.096 R)
• M41: 17,640,282 km (0.109 R)
• M42: 17,933,494 km (0.046 R)
• M43: 18,376,453 km (0.11 R)
• M44: 18,822,853 km (0.043 R)
• M45: 20,388,095 km (0.099 R)
• M46: 22,310,578 km (0.108 R)
• M47: 22,416,044 km (0.057 R)
• M48: 23,373,620 km (0.101 R)
• M49: 24,398,814 km (0.087 R)
• M50: 25,549,072 km (0.108 R)
• M51: 26,103,033 km (0.067 R)
• M52: 26,214,184 km (0.067 R)
• M53: 26,437,235 km (0.117 R)
• M54: 26,604,934 km (0.081 R)
• M55: 26,885,131 km (0.1 R)
• M56: 26,997,479 km (0.117 R)
• M57: 27,391,969 km (0.081 R)
• M58: 27,845,250 km (0.072 R)
• M59: 29,046,671 km (0.064 R)
• M60: 29,277,500 km (0.091 R)
• M61: 29,393,139 km (0.101 R)
• M62: 29,624,866 km (0.025 R)
• M63: 30,499,116 km (0.066 R)
• M64: 30,792,478 km (0.096 R)
• M65: 31,145,678 km (0.079 R)
• M66: 33,112,292 km (0.091 R)
• M67: 35,057,513 km (0.052 R)
• M68: 35,487,906 km (0.025 R)
• M69: 37,981,104 km (0.116 R)
• M70: 38,170,346 km (0.085 R)
• M71: 38,486,446 km (0.117 R)
• M72: 38,740,014 km (0.078 R)
• M73: 38,930,602 km (0.114 R)
• M74: 40,917,411 km (0.048 R)
• M75: 41,176,216 km (0.084 R)
• M76: 41,305,767 km (0.061 R)
• M77: 41,500,394 km (0.067 R)
• M78: 42,740,261 km (0.089 R)
• M79: 44,456,448 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.5

Radius: 14.7

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.05 AU - 10.09 AU

Year: 8172 Days

Day: 14.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 15,620,082 km

• M1: 335,099 km (0.065 R)
• M2: 438,621 km (0.079 R)
• M3: 606,619 km (0.085 R)
• M4: 948,600 km (0.053 R)
• M5: 1,303,297 km (0.113 R)
• M6: 1,542,952 km (0.108 R)
• M7: 2,631,127 km (0.098 R)
• M8: 3,572,996 km (0.092 R)
• M9: 3,727,829 km (0.085 R)
• M10: 3,870,546 km (0.116 R)
• M11: 4,611,803 km (0.069 R)
• M12: 4,827,374 km (0.109 R)
• M13: 5,093,508 km (0.116 R)
• M14: 5,640,737 km (0.076 R)
• M15: 5,854,961 km (0.085 R)
• M16: 6,359,705 km (0.091 R)
• M17: 6,600,108 km (0.078 R)
• M18: 7,178,753 km (0.105 R)
• M19: 8,031,162 km (0.072 R)
• M20: 8,291,312 km (0.118 R)
• M21: 8,630,002 km (0.088 R)
• M22: 8,819,991 km (0.1 R)
• M23: 9,437,830 km (0.052 R)
• M24: 9,732,239 km (0.116 R)
• M25: 10,129,571 km (0.103 R)
• M26: 10,229,652 km (0.05 R)
• M27: 10,330,182 km (0.115 R)
• M28: 10,633,716 km (0.116 R)
• M29: 10,735,442 km (0.096 R)
• M30: 10,981,232 km (0.07 R)
• M31: 11,520,083 km (0.117 R)
• M32: 11,708,577 km (0.071 R)
• M33: 12,926,453 km (0.056 R)
• M34: 15,228,166 km (0.052 R)

Kuiper Belt

Range: 30.8 - 60.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 557 - 11,891 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit