🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.64 AU - 0.94 AU

Year: 255 Days

Day: 25.2 Hours

Environment

Temp: 101 °C

Axial Tilt: 13 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.82 AU - 1 AU

Year: 315 Days

Day: 24.7 Hours

Environment

Temp: 98 °C

Axial Tilt: 24.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.14 AU - 1.2 AU

Year: 460 Days

Day: 25.5 Hours

Environment

Temp: 13 °C

Axial Tilt: 16.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.84 AU - 1.98 AU

Year: 959 Days

Day: 12.3 Hours

Environment

Temp: -62 °C

Axial Tilt: 61.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.85 AU - 2.37 AU

Year: 1114 Days

Day: 42.6 Hours

Environment

Temp: -69 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.2

Radius: 11.8

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.76 AU - 6.76 AU

Year: 6388 Days

Day: 9.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 36,599,783 km

• M1: 180,415 km (0.103 R)
• M2: 330,611 km (0.041 R)
• M3: 512,074 km (0.104 R)
• M4: 617,241 km (0.063 R)
• M5: 770,579 km (0.115 R)
• M6: 923,318 km (0.057 R)
• M7: 1,375,552 km (0.078 R)
• M8: 1,671,158 km (0.107 R)
• M9: 2,064,600 km (0.119 R)
• M10: 2,343,002 km (0.08 R)
• M11: 2,424,832 km (0.082 R)
• M12: 2,528,503 km (0.057 R)
• M13: 2,655,063 km (0.107 R)
• M14: 2,740,483 km (0.109 R)
• M15: 2,870,634 km (0.058 R)
• M16: 3,091,889 km (0.067 R)
• M17: 3,434,618 km (0.057 R)
• M18: 4,256,508 km (0.118 R)
• M19: 4,509,628 km (0.069 R)
• M20: 4,715,774 km (0.087 R)
• M21: 5,298,607 km (0.084 R)
• M22: 5,598,700 km (0.075 R)
• M23: 5,709,104 km (0.03 R)
• M24: 5,820,404 km (0.117 R)
• M25: 6,130,072 km (0.071 R)
• M26: 6,215,492 km (0.03 R)
• M27: 7,091,388 km (0.069 R)
• M28: 7,361,861 km (0.056 R)
• M29: 7,604,957 km (0.119 R)
• M30: 7,696,810 km (0.053 R)
• M31: 7,974,763 km (0.086 R)
• M32: 8,350,553 km (0.06 R)
• M33: 8,508,678 km (0.064 R)
• M34: 9,086,724 km (0.086 R)
• M35: 10,145,728 km (0.118 R)
• M36: 10,382,541 km (0.058 R)
• M37: 10,655,557 km (0.12 R)
• M38: 11,278,333 km (0.115 R)
• M39: 11,383,351 km (0.089 R)
• M40: 11,594,134 km (0.071 R)
• M41: 11,806,414 km (0.053 R)
• M42: 12,270,616 km (0.103 R)
• M43: 12,668,097 km (0.065 R)
• M44: 13,143,370 km (0.074 R)
• M45: 13,290,724 km (0.044 R)
• M46: 14,413,755 km (0.048 R)
• M47: 14,565,746 km (0.088 R)
• M48: 14,680,189 km (0.107 R)
• M49: 15,063,608 km (0.113 R)
• M50: 15,684,140 km (0.115 R)
• M51: 16,511,117 km (0.1 R)
• M52: 16,789,818 km (0.109 R)
• M53: 17,433,089 km (0.118 R)
• M54: 17,961,618 km (0.05 R)
• M55: 18,371,666 km (0.11 R)
• M56: 18,951,208 km (0.109 R)
• M57: 19,117,860 km (0.104 R)
• M58: 19,201,335 km (0.104 R)
• M59: 20,255,402 km (0.12 R)
• M60: 21,675,535 km (0.081 R)
• M61: 22,200,025 km (0.088 R)
• M62: 22,419,634 km (0.06 R)
• M63: 22,684,273 km (0.047 R)
• M64: 22,949,959 km (0.062 R)
• M65: 23,395,013 km (0.034 R)
• M66: 24,429,482 km (0.099 R)
• M67: 25,616,990 km (0.053 R)
• M68: 26,171,250 km (0.12 R)
• M69: 26,589,675 km (0.069 R)
• M70: 26,682,875 km (0.067 R)
• M71: 26,823,048 km (0.083 R)
• M72: 26,916,546 km (0.081 R)
• M73: 27,057,168 km (0.106 R)
• M74: 29,049,962 km (0.09 R)
• M75: 29,194,174 km (0.045 R)
• M76: 30,307,182 km (0.095 R)
• M77: 31,089,729 km (0.067 R)
• M78: 31,779,973 km (0.049 R)
• M79: 31,928,524 km (0.11 R)
• M80: 32,325,706 km (0.1 R)
• M81: 32,774,650 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 562.2

Radius: 4.5

Gravity: 27.76 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 16.24 AU - 16.7 AU

Year: 24292 Days

Day: 24.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 36,599,783 km

• M1: 76,445 km (0.07 R)
• M2: 704,307 km (0.058 R)
• M3: 778,657 km (0.103 R)
• M4: 1,158,785 km (0.109 R)
• M5: 1,217,427 km (0.104 R)
• M6: 1,276,967 km (0.104 R)
• M7: 1,337,555 km (0.109 R)
• M8: 1,399,039 km (0.072 R)
• M9: 1,492,987 km (0.053 R)
• M10: 1,654,403 km (0.086 R)
• M11: 1,821,354 km (0.116 R)
• M12: 3,509,416 km (0.104 R)
• M13: 4,255,760 km (0.059 R)
• M14: 4,953,634 km (0.04 R)
• M15: 5,438,481 km (0.101 R)
• M16: 5,988,852 km (0.055 R)
• M17: 6,193,501 km (0.028 R)
• M18: 6,452,455 km (0.063 R)
• M19: 6,767,808 km (0.084 R)
• M20: 7,468,374 km (0.087 R)
• M21: 7,743,934 km (0.104 R)
• M22: 7,799,435 km (0.083 R)
• M23: 8,937,126 km (0.094 R)
• M24: 9,406,565 km (0.07 R)
• M25: 9,823,793 km (0.119 R)
• M26: 11,489,116 km (0.088 R)
• M27: 12,192,226 km (0.108 R)
• M28: 12,256,853 km (0.092 R)
• M29: 12,581,630 km (0.096 R)
• M30: 14,588,934 km (0.084 R)
• M31: 16,478,654 km (0.049 R)
• M32: 16,764,985 km (0.112 R)
• M33: 18,295,670 km (0.104 R)
• M34: 18,443,622 km (0.11 R)
• M35: 19,040,069 km (0.12 R)
• M36: 19,566,953 km (0.098 R)
• M37: 21,565,879 km (0.072 R)
• M38: 22,351,867 km (0.043 R)
• M39: 22,748,301 km (0.114 R)
• M40: 23,147,129 km (0.1 R)
• M41: 23,789,951 km (0.081 R)
• M42: 23,951,666 km (0.092 R)
• M43: 24,438,757 km (0.039 R)
• M44: 25,257,805 km (0.103 R)
• M45: 27,007,053 km (0.038 R)
• M46: 28,194,711 km (0.113 R)
• M47: 30,357,447 km (0.109 R)
• M48: 30,445,111 km (0.11 R)
• M49: 30,620,590 km (0.094 R)
• M50: 31,769,501 km (0.106 R)
• M51: 32,304,463 km (0.114 R)
• M52: 32,393,923 km (0.075 R)
• M53: 33,202,799 km (0.072 R)
• M54: 33,473,870 km (0.116 R)
• M55: 33,564,377 km (0.081 R)
• M56: 34,748,444 km (0.118 R)
• M57: 35,023,704 km (0.12 R)
• M58: 36,317,576 km (0.109 R)
• M59: 37,345,164 km (0.092 R)
• M60: 37,533,059 km (0.042 R)
• M61: 38,666,711 km (0.054 R)
• M62: 39,047,139 km (0.113 R)
• M63: 39,428,763 km (0.107 R)
• M64: 43,411,208 km (0.078 R)
• M65: 44,203,029 km (0.071 R)
• M66: 44,999,787 km (0.058 R)
• M67: 45,199,650 km (0.117 R)
• M68: 45,600,273 km (0.102 R)
• M69: 47,011,879 km (0.091 R)
• M70: 47,316,311 km (0.091 R)
• M71: 47,723,067 km (0.101 R)
• M72: 47,926,969 km (0.107 R)
• M73: 48,847,894 km (0.118 R)
• M74: 49,671,430 km (0.052 R)
• M75: 52,274,134 km (0.054 R)
• M76: 53,857,029 km (0.091 R)
• M77: 54,600,979 km (0.108 R)
• M78: 55,455,482 km (0.103 R)
• M79: 55,669,856 km (0.079 R)
• M80: 58,371,892 km (0.095 R)
• M81: 58,808,120 km (0.097 R)
• M82: 59,684,015 km (0.069 R)
• M83: 60,564,100 km (0.06 R)
• M84: 61,226,968 km (0.064 R)
• M85: 63,902,526 km (0.056 R)
• M86: 67,872,105 km (0.08 R)
• M87: 68,560,555 km (0.117 R)
• M88: 69,251,398 km (0.114 R)
• M89: 69,713,206 km (0.082 R)
• M90: 74,505,424 km (0.115 R)
• M91: 76,165,961 km (0.07 R)
• M92: 78,559,227 km (0.063 R)
• M93: 79,161,359 km (0.098 R)
• M94: 80,612,907 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43.3

Radius: 4.6

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 13.61 AU - 21.33 AU

Year: 26538 Days

Day: 22.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 36,599,783 km

• M1: 210,335 km (0.105 R)
• M2: 296,503 km (0.065 R)
• M3: 690,993 km (0.104 R)
• M4: 946,805 km (0.082 R)
• M5: 1,027,438 km (0.059 R)
• M6: 1,060,350 km (0.065 R)
• M7: 1,426,864 km (0.089 R)
• M8: 1,519,615 km (0.107 R)
• M9: 2,180,090 km (0.092 R)
• M10: 2,373,969 km (0.065 R)
• M11: 3,599,026 km (0.044 R)
• M12: 4,220,156 km (0.056 R)
• M13: 4,488,684 km (0.091 R)
• M14: 5,155,591 km (0.067 R)
• M15: 6,121,844 km (0.083 R)
• M16: 6,796,530 km (0.086 R)
• M17: 7,016,140 km (0.08 R)
• M18: 7,237,994 km (0.1 R)
• M19: 7,301,872 km (0.062 R)
• M20: 8,718,863 km (0.104 R)
• M21: 8,854,848 km (0.048 R)
• M22: 9,025,838 km (0.06 R)
• M23: 9,685,714 km (0.074 R)
• M24: 10,003,759 km (0.092 R)
• M25: 10,686,225 km (0.111 R)
• M26: 10,904,937 km (0.042 R)
• M27: 11,346,699 km (0.116 R)
• M28: 12,209,580 km (0.085 R)
• M29: 13,759,863 km (0.091 R)
• M30: 13,997,723 km (0.099 R)
• M31: 14,800,316 km (0.079 R)
• M32: 14,881,398 km (0.114 R)
• M33: 15,370,882 km (0.056 R)
• M34: 15,659,008 km (0.086 R)
• M35: 15,700,297 km (0.097 R)
• M36: 15,990,367 km (0.053 R)
• M37: 16,323,970 km (0.073 R)
• M38: 17,810,674 km (0.092 R)
• M39: 18,548,191 km (0.061 R)
• M40: 18,810,885 km (0.104 R)
• M41: 19,561,866 km (0.087 R)
• M42: 20,729,179 km (0.038 R)
• M43: 22,150,358 km (0.1 R)
• M44: 22,196,734 km (0.105 R)
• M45: 22,849,280 km (0.117 R)
• M46: 23,697,500 km (0.075 R)
• M47: 23,839,767 km (0.116 R)
• M48: 24,364,257 km (0.119 R)
• M49: 25,279,048 km (0.115 R)
• M50: 25,327,368 km (0.068 R)
• M51: 25,375,988 km (0.052 R)
• M52: 25,813,711 km (0.11 R)
• M53: 26,746,155 km (0.062 R)
• M54: 27,589,587 km (0.116 R)
• M55: 27,789,450 km (0.043 R)
• M56: 29,201,056 km (0.082 R)
• M57: 30,429,553 km (0.069 R)
• M58: 30,946,264 km (0.096 R)
• M59: 31,727,016 km (0.032 R)
• M60: 33,360,774 km (0.094 R)
• M61: 33,680,165 km (0.044 R)
• M62: 33,893,642 km (0.093 R)
• M63: 34,536,763 km (0.096 R)
• M64: 36,326,103 km (0.048 R)
• M65: 36,544,965 km (0.094 R)

Kuiper Belt

Range: 30.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 11,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit