🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.48 AU - 0.66 AU

Year: 154 Days

Day: 37.9 Hours

Environment

Temp: 228 °C

Axial Tilt: 49 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.94 AU - 1.38 AU

Year: 447 Days

Day: 34.9 Hours

Environment

Temp: 11 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.14 AU - 1.38 AU

Year: 507 Days

Day: 18.7 Hours

Environment

Temp: -4 °C

Axial Tilt: 26.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.99 AU - 1.57 AU

Year: 519 Days

Day: 43.4 Hours

Environment

Temp: 3 °C

Axial Tilt: 167.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.71 AU - 2.63 AU

Year: 1145 Days

Day: 29 Hours

Environment

Temp: -75 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.06 AU - 2.68 AU

Year: 1307 Days

Day: 39.3 Hours

Environment

Temp: -82 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.52 AU - 3.38 AU

Year: 1815 Days

Day: 47.9 Hours

Environment

Temp: -91 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.6

Radius: 10.9

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.91 AU - 7.31 AU

Year: 6087 Days

Day: 14.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 69,850,613 km

• M1: 137,630 km (0.084 R)
• M2: 471,832 km (0.091 R)
• M3: 646,712 km (0.107 R)
• M4: 833,410 km (0.042 R)
• M5: 1,074,412 km (0.1 R)
• M6: 1,147,565 km (0.072 R)
• M7: 1,273,527 km (0.039 R)
• M8: 1,417,589 km (0.063 R)
• M9: 1,581,100 km (0.069 R)
• M10: 1,722,320 km (0.072 R)
• M11: 1,882,689 km (0.07 R)
• M12: 2,140,297 km (0.094 R)
• M13: 2,233,945 km (0.106 R)
• M14: 2,458,192 km (0.086 R)
• M15: 2,573,083 km (0.038 R)
• M16: 2,757,238 km (0.073 R)
• M17: 2,963,235 km (0.077 R)
• M18: 3,192,269 km (0.113 R)
• M19: 3,555,941 km (0.086 R)
• M20: 3,875,632 km (0.099 R)
• M21: 3,971,375 km (0.066 R)
• M22: 4,382,470 km (0.108 R)
• M23: 4,482,401 km (0.074 R)
• M24: 4,786,833 km (0.051 R)
• M25: 5,871,716 km (0.06 R)
• M26: 6,204,871 km (0.117 R)
• M27: 6,385,136 km (0.051 R)
• M28: 6,521,570 km (0.062 R)
• M29: 6,612,974 km (0.096 R)
• M30: 6,820,317 km (0.074 R)
• M31: 6,959,742 km (0.065 R)
• M32: 7,383,702 km (0.047 R)
• M33: 7,816,190 km (0.053 R)
• M34: 8,306,272 km (0.114 R)
• M35: 8,907,656 km (0.076 R)
• M36: 9,290,776 km (0.069 R)
• M37: 10,046,544 km (0.112 R)
• M38: 10,231,896 km (0.114 R)
• M39: 10,498,779 km (0.115 R)
• M40: 10,822,060 km (0.029 R)
• M41: 11,012,198 km (0.091 R)
• M42: 11,589,197 km (0.109 R)
• M43: 11,700,199 km (0.119 R)
• M44: 11,839,475 km (0.119 R)
• M45: 11,923,249 km (0.106 R)
• M46: 12,007,323 km (0.11 R)
• M47: 12,119,671 km (0.119 R)
• M48: 12,686,647 km (0.083 R)
• M49: 13,002,149 km (0.103 R)
• M50: 13,175,384 km (0.109 R)
• M51: 13,495,074 km (0.065 R)
• M52: 14,141,786 km (0.081 R)
• M53: 15,100,708 km (0.112 R)
• M54: 16,049,608 km (0.063 R)
• M55: 16,546,871 km (0.108 R)
• M56: 16,703,350 km (0.049 R)
• M57: 17,049,221 km (0.101 R)
• M58: 17,684,263 km (0.085 R)
• M59: 18,069,029 km (0.057 R)
• M60: 18,197,833 km (0.048 R)
• M61: 18,586,189 km (0.104 R)
• M62: 18,683,727 km (0.065 R)
• M63: 20,234,010 km (0.073 R)
• M64: 20,737,406 km (0.108 R)
• M65: 21,075,348 km (0.042 R)
• M66: 21,177,075 km (0.096 R)
• M67: 21,483,301 km (0.102 R)
• M68: 22,479,773 km (0.096 R)
• M69: 23,001,271 km (0.101 R)
• M70: 23,210,858 km (0.099 R)
• M71: 23,316,025 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.3

Radius: 6.8

Gravity: 12.38 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 13.3 AU - 15.18 AU

Year: 19246 Days

Day: 24.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 69,850,613 km

• M1: 225,743 km (0.103 R)
• M2: 360,381 km (0.095 R)
• M3: 561,142 km (0.102 R)
• M4: 685,009 km (0.091 R)
• M5: 1,267,543 km (0.091 R)
• M6: 1,575,266 km (0.095 R)
• M7: 1,722,769 km (0.12 R)
• M8: 2,063,254 km (0.036 R)
• M9: 2,290,792 km (0.119 R)
• M10: 2,390,724 km (0.062 R)
• M11: 4,383,218 km (0.076 R)
• M12: 5,501,462 km (0.082 R)
• M13: 6,138,300 km (0.053 R)
• M14: 6,798,475 km (0.091 R)
• M15: 7,580,124 km (0.087 R)
• M16: 7,779,987 km (0.097 R)
• M17: 7,880,666 km (0.062 R)
• M18: 8,648,851 km (0.056 R)
• M19: 9,015,516 km (0.032 R)
• M20: 9,174,089 km (0.063 R)
• M21: 9,333,710 km (0.115 R)
• M22: 9,387,117 km (0.107 R)
• M23: 9,981,469 km (0.034 R)
• M24: 10,476,638 km (0.114 R)
• M25: 11,376,768 km (0.083 R)
• M26: 11,893,928 km (0.099 R)
• M27: 11,951,823 km (0.06 R)
• M28: 13,250,033 km (0.107 R)
• M29: 13,370,310 km (0.063 R)
• M30: 14,530,591 km (0.092 R)
• M31: 14,592,524 km (0.062 R)
• M32: 14,841,156 km (0.085 R)
• M33: 14,966,070 km (0.108 R)
• M34: 15,342,758 km (0.118 R)
• M35: 15,469,018 km (0.101 R)
• M36: 15,595,728 km (0.114 R)
• M37: 15,977,651 km (0.05 R)
• M38: 16,362,566 km (0.076 R)
• M39: 16,491,669 km (0.104 R)
• M40: 19,482,579 km (0.047 R)
• M41: 20,516,151 km (0.089 R)
• M42: 22,996,185 km (0.114 R)
• M43: 23,503,321 km (0.088 R)
• M44: 23,649,030 km (0.107 R)
• M45: 23,941,045 km (0.038 R)
• M46: 24,234,406 km (0.101 R)
• M47: 24,455,213 km (0.105 R)
• M48: 24,972,971 km (0.087 R)
• M49: 25,718,716 km (0.049 R)
• M50: 26,245,301 km (0.12 R)
• M51: 26,471,942 km (0.08 R)
• M52: 26,547,638 km (0.108 R)
• M53: 26,927,318 km (0.088 R)
• M54: 27,615,318 km (0.115 R)
• M55: 29,086,464 km (0.072 R)
• M56: 29,242,793 km (0.095 R)
• M57: 29,949,793 km (0.117 R)
• M58: 30,186,756 km (0.1 R)
• M59: 31,380,697 km (0.113 R)
• M60: 31,701,734 km (0.079 R)
• M61: 33,078,034 km (0.108 R)
• M62: 33,486,436 km (0.102 R)
• M63: 35,303,602 km (0.03 R)
• M64: 35,470,403 km (0.115 R)
• M65: 37,237,453 km (0.074 R)
• M66: 40,071,435 km (0.103 R)
• M67: 41,119,069 km (0.105 R)
• M68: 41,646,402 km (0.069 R)
• M69: 42,087,416 km (0.098 R)
• M70: 44,136,009 km (0.088 R)
• M71: 44,765,966 km (0.108 R)
• M72: 45,036,888 km (0.091 R)
• M73: 45,852,795 km (0.099 R)
• M74: 46,673,638 km (0.107 R)
• M75: 46,765,192 km (0.041 R)
• M76: 46,948,300 km (0.091 R)
• M77: 48,329,836 km (0.105 R)
• M78: 49,351,290 km (0.083 R)
• M79: 50,473,873 km (0.071 R)
• M80: 51,038,156 km (0.091 R)
• M81: 51,510,137 km (0.093 R)
• M82: 51,983,614 km (0.095 R)
• M83: 52,363,294 km (0.081 R)
• M84: 53,316,681 km (0.115 R)
• M85: 54,083,520 km (0.039 R)
• M86: 56,796,028 km (0.063 R)
• M87: 57,285,064 km (0.104 R)
• M88: 57,972,167 km (0.06 R)
• M89: 58,563,078 km (0.053 R)
• M90: 58,661,813 km (0.111 R)
• M91: 59,950,000 km (0.085 R)
• M92: 61,347,544 km (0.108 R)
• M93: 62,050,354 km (0.086 R)
• M94: 66,117,322 km (0.102 R)
• M95: 68,286,790 km (0.098 R)
• M96: 68,806,793 km (0.048 R)
• M97: 69,119,303 km (0.11 R)
• M98: 69,745,968 km (0.088 R)

Kuiper Belt

Range: 30.6 - 51.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 13,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit