🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.57 AU - 0.63 AU

Year: 165 Days

Day: 23.7 Hours

Environment

Temp: 237 °C

Axial Tilt: 13.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.58 AU - 0.62 AU

Year: 165 Days

Day: 19.6 Hours

Environment

Temp: 175 °C

Axial Tilt: 6.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.99 AU - 1.19 AU

Year: 404 Days

Day: 18.1 Hours

Environment

Temp: 41 °C

Axial Tilt: 29.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.21 AU - 1.43 AU

Year: 538 Days

Day: 26.6 Hours

Environment

Temp: 18 °C

Axial Tilt: 8.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 75,961,890 km

• M1: 55,351 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.29 AU - 1.37 AU

Year: 544 Days

Day: 42.1 Hours

Environment

Temp: 16 °C

Axial Tilt: 7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.14 AU - 2.74 AU

Year: 1352 Days

Day: 18.6 Hours

Environment

Temp: -70 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.95 AU - 3.69 AU

Year: 2146 Days

Day: 34.6 Hours

Environment

Temp: -92 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.1

Radius: 11

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.84 AU - 7.94 AU

Year: 7862 Days

Day: 5.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 75,961,890 km

• M1: 180,265 km (0.111 R)
• M2: 269,276 km (0.107 R)
• M3: 594,502 km (0.088 R)
• M4: 824,883 km (0.039 R)
• M5: 1,030,580 km (0.063 R)
• M6: 1,900,791 km (0.082 R)
• M7: 1,991,148 km (0.081 R)
• M8: 2,083,150 km (0.082 R)
• M9: 2,247,558 km (0.074 R)
• M10: 2,465,373 km (0.104 R)
• M11: 2,844,005 km (0.114 R)
• M12: 3,322,718 km (0.077 R)
• M13: 3,515,700 km (0.056 R)
• M14: 4,324,725 km (0.052 R)
• M15: 4,658,029 km (0.093 R)
• M16: 5,031,276 km (0.052 R)
• M17: 5,221,564 km (0.113 R)
• M18: 5,511,335 km (0.064 R)
• M19: 5,740,519 km (0.054 R)
• M20: 6,446,771 km (0.047 R)
• M21: 6,827,796 km (0.085 R)
• M22: 7,903,854 km (0.105 R)
• M23: 8,162,509 km (0.079 R)
• M24: 8,349,057 km (0.034 R)
• M25: 8,650,347 km (0.097 R)
• M26: 8,955,377 km (0.05 R)
• M27: 9,109,164 km (0.115 R)
• M28: 9,302,594 km (0.06 R)
• M29: 9,536,715 km (0.103 R)
• M30: 9,615,104 km (0.118 R)
• M31: 9,812,124 km (0.12 R)
• M32: 10,130,169 km (0.106 R)
• M33: 10,290,538 km (0.043 R)
• M34: 10,492,196 km (0.113 R)
• M35: 11,146,089 km (0.113 R)
• M36: 11,270,105 km (0.095 R)
• M37: 11,436,308 km (0.104 R)
• M38: 12,151,536 km (0.11 R)
• M39: 12,364,713 km (0.114 R)
• M40: 12,838,040 km (0.104 R)
• M41: 13,055,107 km (0.112 R)
• M42: 13,186,005 km (0.079 R)
• M43: 13,317,352 km (0.069 R)
• M44: 15,893,427 km (0.078 R)
• M45: 16,173,475 km (0.05 R)
• M46: 16,833,052 km (0.037 R)
• M47: 18,178,535 km (0.11 R)
• M48: 18,276,073 km (0.089 R)
• M49: 18,864,291 km (0.055 R)
• M50: 19,758,438 km (0.046 R)
• M51: 21,381,724 km (0.089 R)
• M52: 21,794,315 km (0.038 R)
• M53: 22,574,767 km (0.042 R)
• M54: 22,731,995 km (0.057 R)
• M55: 23,576,624 km (0.101 R)
• M56: 24,163,347 km (0.111 R)
• M57: 24,377,871 km (0.089 R)
• M58: 25,296,551 km (0.082 R)
• M59: 25,842,284 km (0.103 R)
• M60: 26,945,568 km (0.115 R)
• M61: 27,168,021 km (0.088 R)
• M62: 27,895,216 km (0.102 R)
• M63: 28,628,993 km (0.117 R)
• M64: 29,083,621 km (0.105 R)
• M65: 29,827,571 km (0.077 R)
• M66: 30,461,866 km (0.042 R)
• M67: 31,100,649 km (0.081 R)
• M68: 31,275,679 km (0.045 R)
• M69: 31,685,278 km (0.091 R)
• M70: 32,214,555 km (0.107 R)
• M71: 32,687,434 km (0.097 R)
• M72: 32,805,915 km (0.083 R)
• M73: 32,924,696 km (0.08 R)
• M74: 33,341,326 km (0.078 R)
• M75: 33,819,740 km (0.06 R)
• M76: 36,675,414 km (0.063 R)
• M77: 36,922,101 km (0.094 R)
• M78: 37,045,669 km (0.101 R)
• M79: 37,355,037 km (0.071 R)
• M80: 38,726,401 km (0.108 R)
• M81: 39,481,421 km (0.111 R)
• M82: 40,942,095 km (0.064 R)
• M83: 41,582,673 km (0.07 R)
• M84: 41,775,505 km (0.106 R)
• M85: 41,968,635 km (0.044 R)
• M86: 42,485,047 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.6

Radius: 5.4

Gravity: 29.99 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 11.7 AU - 15.36 AU

Year: 17656 Days

Day: 23.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 75,961,890 km

• M1: 111,600 km (0.062 R)
• M2: 166,951 km (0.117 R)
• M3: 314,754 km (0.119 R)
• M4: 743,950 km (0.048 R)
• M5: 890,407 km (0.112 R)
• M6: 1,442,722 km (0.071 R)
• M7: 1,688,810 km (0.088 R)
• M8: 1,816,717 km (0.076 R)
• M9: 2,185,026 km (0.115 R)
• M10: 2,219,584 km (0.113 R)
• M11: 2,431,265 km (0.065 R)
• M12: 2,686,329 km (0.08 R)
• M13: 3,222,039 km (0.092 R)
• M14: 3,461,545 km (0.039 R)
• M15: 3,748,324 km (0.105 R)
• M16: 4,085,368 km (0.076 R)
• M17: 4,171,237 km (0.067 R)
• M18: 4,344,621 km (0.062 R)
• M19: 4,432,286 km (0.109 R)
• M20: 4,564,680 km (0.102 R)
• M21: 4,653,840 km (0.104 R)
• M22: 5,061,644 km (0.091 R)
• M23: 5,293,221 km (0.092 R)
• M24: 5,863,040 km (0.06 R)
• M25: 7,952,174 km (0.05 R)
• M26: 8,059,436 km (0.12 R)
• M27: 8,167,146 km (0.097 R)
• M28: 8,713,178 km (0.11 R)
• M29: 9,782,654 km (0.098 R)
• M30: 10,303,553 km (0.11 R)
• M31: 11,372,131 km (0.097 R)
• M32: 14,128,771 km (0.11 R)
• M33: 14,389,221 km (0.102 R)
• M34: 14,585,493 km (0.075 R)
• M35: 14,914,758 km (0.077 R)
• M36: 16,052,300 km (0.049 R)
• M37: 17,775,219 km (0.078 R)
• M38: 18,908,273 km (0.103 R)
• M39: 20,577,636 km (0.091 R)
• M40: 20,651,238 km (0.046 R)
• M41: 21,392,645 km (0.052 R)
• M42: 22,217,977 km (0.073 R)
• M43: 23,130,374 km (0.114 R)
• M44: 24,365,753 km (0.116 R)
• M45: 24,834,443 km (0.107 R)
• M46: 24,912,833 km (0.069 R)
• M47: 24,991,371 km (0.042 R)
• M48: 25,227,437 km (0.11 R)
• M49: 25,306,275 km (0.053 R)
• M50: 26,098,994 km (0.102 R)
• M51: 28,034,791 km (0.097 R)
• M52: 28,690,328 km (0.08 R)
• M53: 29,433,680 km (0.095 R)
• M54: 31,192,951 km (0.109 R)
• M55: 31,362,296 km (0.08 R)
• M56: 31,446,968 km (0.029 R)
• M57: 32,727,676 km (0.075 R)
• M58: 34,286,934 km (0.087 R)
• M59: 35,516,330 km (0.107 R)
• M60: 35,958,840 km (0.099 R)
• M61: 36,314,285 km (0.071 R)
• M62: 38,652,350 km (0.032 R)
• M63: 38,925,216 km (0.078 R)
• M64: 40,760,932 km (0.113 R)
• M65: 41,969,084 km (0.091 R)
• M66: 42,249,580 km (0.106 R)
• M67: 43,189,055 km (0.099 R)
• M68: 44,420,545 km (0.11 R)
• M69: 45,471,619 km (0.084 R)
• M70: 48,673,762 km (0.09 R)
• M71: 50,450,685 km (0.063 R)
• M72: 51,347,076 km (0.096 R)
• M73: 52,852,778 km (0.048 R)
• M74: 53,459,248 km (0.056 R)
• M75: 54,067,812 km (0.087 R)
• M76: 55,291,971 km (0.043 R)
• M77: 56,010,340 km (0.115 R)
• M78: 56,113,114 km (0.049 R)
• M79: 57,767,667 km (0.099 R)
• M80: 58,600,777 km (0.104 R)
• M81: 60,912,513 km (0.107 R)
• M82: 63,146,907 km (0.077 R)
• M83: 65,407,929 km (0.065 R)
• M84: 65,841,613 km (0.11 R)
• M85: 66,058,829 km (0.111 R)
• M86: 67,039,144 km (0.113 R)
• M87: 68,243,856 km (0.104 R)
• M88: 68,353,810 km (0.117 R)
• M89: 68,463,765 km (0.062 R)
• M90: 69,124,539 km (0.072 R)
• M91: 70,341,517 km (0.109 R)
• M92: 70,452,519 km (0.107 R)
• M93: 72,124,275 km (0.079 R)
• M94: 74,373,629 km (0.065 R)

Kuiper Belt

Range: 30.9 - 54.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 17,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit