🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.59 AU - 0.79 AU

Year: 209 Days

Day: 28.6 Hours

Environment

Temp: 117 °C

Axial Tilt: 15.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.92 AU - 0.92 AU

Year: 322 Days

Day: 35.2 Hours

Environment

Temp: 117 °C

Axial Tilt: 111.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.09 AU - 1.15 AU

Year: 433 Days

Day: 42.8 Hours

Environment

Temp: 3 °C

Axial Tilt: 47.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.79 AU - 2.25 AU

Year: 1049 Days

Day: 35.4 Hours

Environment

Temp: -77 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,454,156 km

• M1: 135,386 km (0.062 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.14 AU - 2.62 AU

Year: 1341 Days

Day: 13.6 Hours

Environment

Temp: -76 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.7

Radius: 10.9

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.92 AU - 6.88 AU

Year: 5914 Days

Day: 6.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 34,454,156 km

• M1: 181,462 km (0.091 R)
• M2: 265,237 km (0.061 R)
• M3: 366,964 km (0.063 R)
• M4: 447,298 km (0.102 R)
• M5: 569,070 km (0.098 R)
• M6: 809,624 km (0.101 R)
• M7: 1,006,494 km (0.111 R)
• M8: 1,447,509 km (0.102 R)
• M9: 1,547,740 km (0.063 R)
• M10: 1,650,364 km (0.076 R)
• M11: 1,795,474 km (0.119 R)
• M12: 1,931,159 km (0.039 R)
• M13: 2,000,273 km (0.074 R)
• M14: 2,098,559 km (0.08 R)
• M15: 2,285,407 km (0.09 R)
• M16: 2,403,140 km (0.077 R)
• M17: 2,894,719 km (0.115 R)
• M18: 3,022,475 km (0.119 R)
• M19: 3,317,034 km (0.114 R)
• M20: 3,518,692 km (0.107 R)
• M21: 3,863,814 km (0.118 R)
• M22: 3,969,430 km (0.097 R)
• M23: 4,129,799 km (0.111 R)
• M24: 4,219,857 km (0.099 R)
• M25: 4,605,071 km (0.12 R)
• M26: 4,906,361 km (0.084 R)
• M27: 5,136,592 km (0.093 R)
• M28: 5,488,596 km (0.086 R)
• M29: 5,767,896 km (0.045 R)
• M30: 5,848,529 km (0.06 R)
• M31: 6,319,612 km (0.093 R)
• M32: 6,528,301 km (0.115 R)
• M33: 6,888,234 km (0.098 R)
• M34: 7,189,674 km (0.082 R)
• M35: 7,451,470 km (0.087 R)
• M36: 7,827,709 km (0.025 R)
• M37: 8,301,186 km (0.097 R)
• M38: 8,369,552 km (0.112 R)
• M39: 8,598,886 km (0.063 R)
• M40: 8,807,126 km (0.112 R)
• M41: 8,923,513 km (0.059 R)
• M42: 9,252,180 km (0.06 R)
• M43: 9,776,670 km (0.079 R)
• M44: 9,873,011 km (0.108 R)
• M45: 9,969,800 km (0.115 R)
• M46: 10,212,897 km (0.076 R)
• M47: 10,310,734 km (0.08 R)
• M48: 10,433,554 km (0.054 R)
• M49: 10,680,540 km (0.113 R)
• M50: 10,754,890 km (0.049 R)
• M51: 10,954,304 km (0.093 R)
• M52: 11,382,304 km (0.111 R)
• M53: 12,176,519 km (0.097 R)
• M54: 12,384,460 km (0.092 R)
• M55: 12,462,699 km (0.09 R)
• M56: 13,121,379 km (0.059 R)
• M57: 13,201,115 km (0.064 R)
• M58: 13,334,556 km (0.1 R)
• M59: 13,548,930 km (0.114 R)
• M60: 13,656,490 km (0.111 R)
• M61: 14,198,633 km (0.113 R)
• M62: 14,665,079 km (0.097 R)
• M63: 14,941,835 km (0.108 R)
• M64: 15,416,360 km (0.032 R)
• M65: 15,754,301 km (0.118 R)
• M66: 16,094,637 km (0.102 R)
• M67: 16,466,088 km (0.068 R)
• M68: 16,724,892 km (0.105 R)
• M69: 18,098,350 km (0.087 R)
• M70: 18,753,739 km (0.065 R)
• M71: 19,325,951 km (0.101 R)
• M72: 19,690,371 km (0.089 R)
• M73: 20,026,368 km (0.112 R)
• M74: 20,241,190 km (0.087 R)
• M75: 20,394,977 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.2

Radius: 14.2

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.79 AU - 7.63 AU

Year: 6349 Days

Day: 6.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 34,454,156 km

• M1: 182,210 km (0.099 R)
• M2: 680,371 km (0.059 R)
• M3: 923,318 km (0.096 R)
• M4: 1,728,005 km (0.084 R)
• M5: 2,207,915 km (0.08 R)
• M6: 2,308,894 km (0.084 R)
• M7: 2,515,937 km (0.117 R)
• M8: 2,707,572 km (0.068 R)
• M9: 2,816,180 km (0.07 R)
• M10: 3,128,241 km (0.113 R)
• M11: 3,498,795 km (0.091 R)
• M12: 3,689,532 km (0.085 R)
• M13: 3,932,928 km (0.033 R)
• M14: 4,181,560 km (0.099 R)
• M15: 4,307,970 km (0.117 R)
• M16: 4,512,769 km (0.044 R)
• M17: 4,985,648 km (0.104 R)
• M18: 5,092,910 km (0.058 R)
• M19: 5,502,060 km (0.095 R)
• M20: 5,696,687 km (0.06 R)
• M21: 5,921,981 km (0.119 R)
• M22: 6,381,546 km (0.093 R)
• M23: 6,498,232 km (0.036 R)
• M24: 7,062,366 km (0.106 R)
• M25: 7,365,601 km (0.069 R)
• M26: 7,704,290 km (0.118 R)
• M27: 8,301,335 km (0.034 R)
• M28: 8,460,956 km (0.115 R)
• M29: 8,718,414 km (0.097 R)
• M30: 9,673,746 km (0.107 R)
• M31: 9,808,085 km (0.111 R)
• M32: 9,976,981 km (0.106 R)
• M33: 11,682,696 km (0.114 R)
• M34: 11,826,011 km (0.077 R)
• M35: 12,150,339 km (0.034 R)
• M36: 12,992,874 km (0.092 R)
• M37: 13,402,473 km (0.073 R)
• M38: 13,514,971 km (0.115 R)
• M39: 13,778,562 km (0.109 R)
• M40: 13,967,804 km (0.077 R)
• M41: 14,081,947 km (0.085 R)
• M42: 14,272,684 km (0.096 R)
• M43: 14,618,106 km (0.114 R)
• M44: 14,849,982 km (0.102 R)
• M45: 15,122,101 km (0.101 R)
• M46: 15,948,330 km (0.077 R)
• M47: 16,067,559 km (0.115 R)
• M48: 16,306,916 km (0.099 R)
• M49: 16,668,195 km (0.053 R)
• M50: 17,113,398 km (0.073 R)
• M51: 17,276,160 km (0.112 R)
• M52: 17,603,481 km (0.08 R)
• M53: 17,726,749 km (0.085 R)
• M54: 18,181,078 km (0.08 R)
• M55: 18,974,994 km (0.114 R)
• M56: 19,355,122 km (0.064 R)
• M57: 19,609,887 km (0.097 R)
• M58: 20,813,552 km (0.078 R)
• M59: 21,030,917 km (0.088 R)
• M60: 21,599,838 km (0.088 R)
• M61: 22,218,276 km (0.061 R)
• M62: 22,307,137 km (0.103 R)
• M63: 24,428,136 km (0.099 R)
• M64: 24,565,766 km (0.112 R)
• M65: 24,703,695 km (0.106 R)
• M66: 24,841,774 km (0.105 R)
• M67: 24,933,926 km (0.072 R)
• M68: 25,862,330 km (0.118 R)
• M69: 28,473,112 km (0.081 R)
• M70: 28,908,442 km (0.115 R)
• M71: 29,054,001 km (0.11 R)
• M72: 29,248,328 km (0.037 R)
• M73: 32,216,949 km (0.111 R)
• M74: 32,317,478 km (0.1 R)
• M75: 32,468,572 km (0.056 R)
• M76: 32,923,350 km (0.078 R)
• M77: 34,299,949 km (0.09 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 14,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit