🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.71 AU - 1.05 AU

Year: 302 Days

Day: 40.3 Hours

Environment

Temp: 171 °C

Axial Tilt: 48.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.94 AU - 1.34 AU

Year: 445 Days

Day: 32 Hours

Environment

Temp: 3 °C

Axial Tilt: 17.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.36 AU - 1.82 AU

Year: 732 Days

Day: 31.7 Hours

Environment

Temp: -34 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2 AU - 2.64 AU

Year: 1291 Days

Day: 16.6 Hours

Environment

Temp: -87 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,716,823 km

• M1: 178,321 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.34 AU - 4.3 AU

Year: 2727 Days

Day: 22.8 Hours

Environment

Temp: -112 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.84 AU - 3.96 AU

Year: 2813 Days

Day: 46.7 Hours

Environment

Temp: -121 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 46,716,823 km

• M1: 314,904 km (0.112 R)
• M2: 2,355,867 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.2

Radius: 8.3

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.43 AU - 10.31 AU

Year: 8845 Days

Day: 10.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 46,716,823 km

• M1: 105,915 km (0.079 R)
• M2: 546,930 km (0.054 R)
• M3: 613,950 km (0.037 R)
• M4: 684,111 km (0.082 R)
• M5: 769,531 km (0.12 R)
• M6: 951,891 km (0.057 R)
• M7: 1,048,531 km (0.099 R)
• M8: 1,162,974 km (0.095 R)
• M9: 1,596,508 km (0.082 R)
• M10: 2,041,113 km (0.056 R)
• M11: 2,408,526 km (0.079 R)
• M12: 2,503,670 km (0.097 R)
• M13: 2,580,713 km (0.1 R)
• M14: 3,309,254 km (0.033 R)
• M15: 3,652,582 km (0.043 R)
• M16: 4,234,667 km (0.058 R)
• M17: 4,350,007 km (0.05 R)
• M18: 4,560,192 km (0.097 R)
• M19: 4,654,738 km (0.118 R)
• M20: 5,161,426 km (0.106 R)
• M21: 6,148,772 km (0.075 R)
• M22: 6,253,191 km (0.095 R)
• M23: 7,413,921 km (0.085 R)
• M24: 7,890,839 km (0.054 R)
• M25: 8,435,824 km (0.096 R)
• M26: 8,698,069 km (0.112 R)
• M27: 9,320,695 km (0.1 R)
• M28: 10,019,018 km (0.028 R)
• M29: 10,234,888 km (0.094 R)
• M30: 10,359,054 km (0.09 R)
• M31: 10,671,415 km (0.118 R)
• M32: 11,433,616 km (0.057 R)
• M33: 12,543,333 km (0.072 R)
• M34: 12,809,467 km (0.068 R)
• M35: 13,961,072 km (0.106 R)
• M36: 14,236,781 km (0.092 R)
• M37: 14,934,056 km (0.099 R)
• M38: 15,074,977 km (0.11 R)
• M39: 15,145,438 km (0.096 R)
• M40: 15,499,985 km (0.083 R)
• M41: 15,929,032 km (0.091 R)
• M42: 16,945,100 km (0.086 R)
• M43: 17,646,565 km (0.093 R)
• M44: 18,773,336 km (0.097 R)
• M45: 20,155,920 km (0.062 R)
• M46: 21,451,886 km (0.104 R)
• M47: 21,730,288 km (0.118 R)
• M48: 21,849,966 km (0.093 R)
• M49: 21,969,943 km (0.118 R)
• M50: 22,130,013 km (0.063 R)
• M51: 23,262,319 km (0.12 R)
• M52: 23,794,289 km (0.077 R)
• M53: 24,082,564 km (0.111 R)
• M54: 24,206,431 km (0.078 R)
• M55: 24,289,009 km (0.098 R)
• M56: 24,496,203 km (0.116 R)
• M57: 25,540,545 km (0.032 R)
• M58: 25,962,411 km (0.097 R)
• M59: 27,759,231 km (0.071 R)
• M60: 28,585,161 km (0.093 R)
• M61: 29,551,563 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.2

Radius: 9.9

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 9.42 AU - 9.56 AU

Year: 10678 Days

Day: 14.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 46,716,823 km

• M1: 130,749 km (0.055 R)
• M2: 226,342 km (0.105 R)
• M3: 318,494 km (0.042 R)
• M4: 1,042,099 km (0.111 R)
• M5: 1,217,128 km (0.107 R)
• M6: 2,059,963 km (0.117 R)
• M7: 2,383,094 km (0.081 R)
• M8: 2,459,987 km (0.109 R)
• M9: 2,829,943 km (0.094 R)
• M10: 2,939,000 km (0.113 R)
• M11: 3,360,267 km (0.117 R)
• M12: 4,197,118 km (0.115 R)
• M13: 4,290,617 km (0.05 R)
• M14: 4,511,273 km (0.069 R)
• M15: 4,833,058 km (0.105 R)
• M16: 5,464,960 km (0.101 R)
• M17: 5,912,407 km (0.071 R)
• M18: 6,158,196 km (0.105 R)
• M19: 6,300,314 km (0.029 R)
• M20: 7,063,563 km (0.11 R)
• M21: 7,626,649 km (0.108 R)
• M22: 8,636,734 km (0.11 R)
• M23: 8,716,170 km (0.113 R)
• M24: 9,116,943 km (0.106 R)
• M25: 9,238,417 km (0.116 R)
• M26: 9,360,488 km (0.079 R)
• M27: 10,145,428 km (0.1 R)
• M28: 10,567,145 km (0.114 R)
• M29: 10,694,752 km (0.056 R)
• M30: 11,253,649 km (0.11 R)
• M31: 11,340,566 km (0.107 R)
• M32: 11,998,946 km (0.05 R)
• M33: 12,132,238 km (0.112 R)
• M34: 13,169,549 km (0.054 R)
• M35: 13,907,964 km (0.06 R)
• M36: 14,329,232 km (0.086 R)
• M37: 15,424,737 km (0.026 R)
• M38: 15,714,957 km (0.113 R)
• M39: 16,547,020 km (0.104 R)
• M40: 17,043,237 km (0.042 R)
• M41: 17,293,215 km (0.103 R)
• M42: 19,492,303 km (0.109 R)
• M43: 19,911,028 km (0.109 R)
• M44: 20,704,196 km (0.055 R)
• M45: 20,917,522 km (0.119 R)
• M46: 21,185,153 km (0.09 R)
• M47: 21,723,855 km (0.037 R)
• M48: 21,886,318 km (0.063 R)
• M49: 22,049,230 km (0.102 R)
• M50: 22,594,963 km (0.064 R)
• M51: 22,979,729 km (0.085 R)
• M52: 24,259,240 km (0.113 R)
• M53: 24,879,323 km (0.053 R)
• M54: 25,105,963 km (0.105 R)
• M55: 26,365,578 km (0.072 R)
• M56: 26,828,583 km (0.091 R)
• M57: 27,236,088 km (0.029 R)
• M58: 27,469,759 km (0.027 R)
• M59: 27,939,198 km (0.1 R)
• M60: 28,529,810 km (0.113 R)
• M61: 28,886,152 km (0.103 R)
• M62: 29,363,519 km (0.032 R)
• M63: 30,568,380 km (0.089 R)
• M64: 33,525,332 km (0.104 R)
• M65: 33,775,908 km (0.108 R)
• M66: 34,720,918 km (0.1 R)
• M67: 34,910,907 km (0.107 R)
• M68: 35,483,119 km (0.053 R)
• M69: 35,610,726 km (0.104 R)
• M70: 36,186,678 km (0.119 R)
• M71: 36,443,687 km (0.111 R)
• M72: 38,390,254 km (0.095 R)
• M73: 38,718,023 km (0.118 R)
• M74: 39,112,513 km (0.026 R)
• M75: 39,310,281 km (0.115 R)
• M76: 39,442,227 km (0.109 R)
• M77: 39,772,987 km (0.057 R)
• M78: 40,104,646 km (0.083 R)
• M79: 40,370,481 km (0.06 R)
• M80: 42,248,533 km (0.096 R)
• M81: 42,790,377 km (0.105 R)
• M82: 43,675,697 km (0.085 R)
• M83: 44,223,524 km (0.05 R)
• M84: 44,292,190 km (0.11 R)
• M85: 44,635,965 km (0.116 R)
• M86: 44,773,596 km (0.105 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 16,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit