🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.49 AU - 0.53 AU

Year: 129 Days

Day: 47 Hours

Environment

Temp: 215 °C

Axial Tilt: 57 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.72 AU - 0.8 AU

Year: 235 Days

Day: 22.2 Hours

Environment

Temp: 149 °C

Axial Tilt: 36.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 80,244,507 km

• M1: 55,800 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.71 AU - 0.85 AU

Year: 244 Days

Day: 39.4 Hours

Environment

Temp: 132 °C

Axial Tilt: 0.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.05 AU - 1.61 AU

Year: 544 Days

Day: 43.5 Hours

Environment

Temp: 2 °C

Axial Tilt: 28.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.6 AU - 2.5 AU

Year: 1041 Days

Day: 32.5 Hours

Environment

Temp: -68 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,244,507 km

• M1: 830,717 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.3

Radius: 14.1

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.75 AU - 5.93 AU

Year: 4378 Days

Day: 5 Hours

Environment

Temp: -136 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 80,244,507 km

• M1: 210,933 km (0.056 R)
• M2: 327,769 km (0.103 R)
• M3: 562,638 km (0.11 R)
• M4: 651,798 km (0.11 R)
• M5: 809,175 km (0.066 R)
• M6: 940,073 km (0.102 R)
• M7: 1,588,580 km (0.071 R)
• M8: 1,740,272 km (0.085 R)
• M9: 1,861,746 km (0.073 R)
• M10: 2,058,616 km (0.077 R)
• M11: 2,415,258 km (0.081 R)
• M12: 2,670,920 km (0.04 R)
• M13: 3,124,052 km (0.116 R)
• M14: 3,447,184 km (0.094 R)
• M15: 3,535,147 km (0.053 R)
• M16: 3,713,468 km (0.055 R)
• M17: 3,940,707 km (0.09 R)
• M18: 4,243,194 km (0.064 R)
• M19: 4,553,161 km (0.115 R)
• M20: 5,069,872 km (0.061 R)
• M21: 5,527,791 km (0.118 R)
• M22: 5,787,942 km (0.077 R)
• M23: 5,999,174 km (0.04 R)
• M24: 6,320,660 km (0.035 R)
• M25: 6,730,558 km (0.07 R)
• M26: 7,290,652 km (0.051 R)
• M27: 7,404,496 km (0.041 R)
• M28: 8,041,334 km (0.105 R)
• M29: 8,425,950 km (0.088 R)
• M30: 8,756,113 km (0.081 R)
• M31: 8,998,910 km (0.105 R)
• M32: 9,398,337 km (0.088 R)
• M33: 9,647,118 km (0.052 R)
• M34: 9,835,013 km (0.027 R)
• M35: 10,310,285 km (0.096 R)
• M36: 10,406,327 km (0.096 R)
• M37: 10,955,650 km (0.107 R)
• M38: 11,382,304 km (0.111 R)
• M39: 11,514,698 km (0.101 R)
• M40: 11,814,342 km (0.111 R)
• M41: 12,116,680 km (0.103 R)
• M42: 13,491,035 km (0.114 R)
• M43: 14,268,047 km (0.117 R)
• M44: 14,375,009 km (0.056 R)
• M45: 14,482,420 km (0.11 R)
• M46: 15,095,772 km (0.109 R)
• M47: 15,314,334 km (0.095 R)
• M48: 15,497,292 km (0.102 R)
• M49: 16,722,648 km (0.11 R)
• M50: 16,835,595 km (0.085 R)
• M51: 17,327,921 km (0.12 R)
• M52: 17,709,994 km (0.081 R)
• M53: 18,365,831 km (0.119 R)
• M54: 19,147,630 km (0.048 R)
• M55: 21,108,559 km (0.083 R)
• M56: 21,516,662 km (0.113 R)
• M57: 22,092,314 km (0.098 R)
• M58: 23,258,879 km (0.091 R)
• M59: 24,916,872 km (0.111 R)
• M60: 25,089,059 km (0.099 R)
• M61: 25,999,811 km (0.055 R)
• M62: 26,393,403 km (0.085 R)
• M63: 27,764,168 km (0.078 R)
• M64: 28,121,707 km (0.069 R)
• M65: 29,022,137 km (0.088 R)
• M66: 29,294,105 km (0.115 R)
• M67: 29,385,061 km (0.111 R)
• M68: 29,612,599 km (0.096 R)
• M69: 29,886,363 km (0.098 R)
• M70: 30,023,545 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.5

Radius: 4.5

Gravity: 32.96 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 13.94 AU - 17.34 AU

Year: 21943 Days

Day: 22.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 80,244,507 km

• M1: 58,493 km (0.116 R)
• M2: 174,880 km (0.105 R)
• M3: 411,693 km (0.117 R)
• M4: 451,935 km (0.106 R)
• M5: 697,425 km (0.097 R)
• M6: 979,567 km (0.092 R)
• M7: 1,090,269 km (0.058 R)
• M8: 1,118,693 km (0.026 R)
• M9: 1,802,804 km (0.114 R)
• M10: 2,706,674 km (0.111 R)
• M11: 3,101,912 km (0.083 R)
• M12: 3,814,596 km (0.065 R)
• M13: 6,333,525 km (0.12 R)
• M14: 6,697,048 km (0.113 R)
• M15: 7,717,754 km (0.045 R)
• M16: 8,500,450 km (0.101 R)
• M17: 8,671,291 km (0.05 R)
• M18: 8,786,033 km (0.067 R)
• M19: 8,958,818 km (0.078 R)
• M20: 9,249,487 km (0.049 R)
• M21: 9,959,478 km (0.107 R)
• M22: 10,019,467 km (0.102 R)
• M23: 10,200,032 km (0.056 R)
• M24: 10,321,056 km (0.103 R)
• M25: 10,809,793 km (0.051 R)
• M26: 10,871,427 km (0.102 R)
• M27: 11,431,372 km (0.08 R)
• M28: 11,936,863 km (0.081 R)
• M29: 14,844,597 km (0.047 R)
• M30: 15,257,337 km (0.065 R)
• M31: 15,326,451 km (0.09 R)
• M32: 16,164,349 km (0.048 R)
• M33: 16,802,534 km (0.09 R)
• M34: 18,617,904 km (0.094 R)
• M35: 19,062,808 km (0.075 R)
• M36: 19,436,204 km (0.099 R)
• M37: 20,038,635 km (0.069 R)
• M38: 20,266,173 km (0.099 R)
• M39: 20,418,314 km (0.059 R)
• M40: 20,570,904 km (0.117 R)
• M41: 21,339,239 km (0.056 R)
• M42: 23,619,858 km (0.09 R)
• M43: 24,020,781 km (0.1 R)
• M44: 25,318,841 km (0.07 R)
• M45: 27,729,162 km (0.087 R)
• M46: 28,833,194 km (0.109 R)
• M47: 29,433,680 km (0.09 R)
• M48: 29,605,867 km (0.079 R)
• M49: 30,124,822 km (0.036 R)
• M50: 30,298,506 km (0.102 R)
• M51: 31,259,522 km (0.102 R)
• M52: 31,699,490 km (0.111 R)
• M53: 33,750,327 km (0.041 R)
• M54: 34,564,289 km (0.065 R)
• M55: 35,293,429 km (0.116 R)
• M56: 40,249,457 km (0.106 R)
• M57: 40,440,792 km (0.12 R)
• M58: 41,594,641 km (0.039 R)
• M59: 42,564,334 km (0.111 R)
• M60: 43,247,548 km (0.103 R)
• M61: 43,639,644 km (0.115 R)
• M62: 44,427,276 km (0.076 R)
• M63: 45,816,891 km (0.091 R)
• M64: 46,316,698 km (0.094 R)
• M65: 46,918,679 km (0.099 R)
• M66: 48,333,726 km (0.039 R)
• M67: 48,536,880 km (0.073 R)
• M68: 48,638,756 km (0.093 R)
• M69: 48,842,358 km (0.045 R)
• M70: 49,148,436 km (0.058 R)
• M71: 49,762,535 km (0.107 R)
• M72: 51,101,735 km (0.084 R)
• M73: 52,139,944 km (0.115 R)
• M74: 52,348,484 km (0.05 R)
• M75: 52,870,879 km (0.095 R)
• M76: 56,789,895 km (0.076 R)
• M77: 57,434,213 km (0.096 R)
• M78: 57,757,195 km (0.071 R)
• M79: 61,570,594 km (0.089 R)
• M80: 61,790,952 km (0.114 R)
• M81: 64,567,339 km (0.076 R)
• M82: 67,384,266 km (0.119 R)
• M83: 67,611,356 km (0.111 R)
• M84: 71,741,903 km (0.107 R)
• M85: 71,973,780 km (0.079 R)
• M86: 73,370,276 km (0.073 R)
• M87: 74,423,445 km (0.069 R)
• M88: 75,128,350 km (0.057 R)
• M89: 77,137,599 km (0.113 R)

Kuiper Belt

Range: 30.9 - 58.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 13,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit