🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.8 AU - 0.82 AU

Year: 270 Days

Day: 36.9 Hours

Environment

Temp: 124 °C

Axial Tilt: 51 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,948,069 km

• M1: 42,486 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.77 AU - 0.95 AU

Year: 296 Days

Day: 45.8 Hours

Environment

Temp: 157 °C

Axial Tilt: 2.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.93 AU - 1.21 AU

Year: 410 Days

Day: 47.4 Hours

Environment

Temp: 10 °C

Axial Tilt: 20.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.16 AU - 1.54 AU

Year: 582 Days

Day: 13.4 Hours

Environment

Temp: -39 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,948,069 km

• M1: 467,344 km (0.12 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.36 AU - 4.12 AU

Year: 2682 Days

Day: 20.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 109.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,948,069 km

• M1: 1,251,536 km (0.038 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.67 AU - 3.85 AU

Year: 2704 Days

Day: 45 Hours

Environment

Temp: -119 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.7

Radius: 8.5

Gravity: 11.87 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.9 AU - 6.44 AU

Year: 5684 Days

Day: 5.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 155.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 47,948,069 km

• M1: 118,182 km (0.089 R)
• M2: 184,005 km (0.075 R)
• M3: 289,322 km (0.083 R)
• M4: 347,067 km (0.107 R)
• M5: 409,898 km (0.109 R)
• M6: 1,223,411 km (0.109 R)
• M7: 1,743,264 km (0.088 R)
• M8: 1,878,351 km (0.087 R)
• M9: 2,452,956 km (0.083 R)
• M10: 2,918,056 km (0.069 R)
• M11: 3,290,704 km (0.04 R)
• M12: 4,004,137 km (0.113 R)
• M13: 4,157,774 km (0.091 R)
• M14: 4,470,732 km (0.113 R)
• M15: 4,656,832 km (0.052 R)
• M16: 4,710,388 km (0.066 R)
• M17: 4,818,398 km (0.107 R)
• M18: 4,899,929 km (0.096 R)
• M19: 5,009,285 km (0.054 R)
• M20: 5,119,389 km (0.111 R)
• M21: 5,398,389 km (0.118 R)
• M22: 5,454,787 km (0.071 R)
• M23: 6,413,710 km (0.064 R)
• M24: 6,473,549 km (0.116 R)
• M25: 6,654,113 km (0.062 R)
• M26: 6,836,174 km (0.109 R)
• M27: 6,897,359 km (0.042 R)
• M28: 8,189,436 km (0.103 R)
• M29: 8,647,655 km (0.102 R)
• M30: 9,147,760 km (0.109 R)
• M31: 9,520,408 km (0.117 R)
• M32: 9,588,775 km (0.117 R)
• M33: 9,967,257 km (0.034 R)
• M34: 10,917,353 km (0.103 R)
• M35: 11,932,824 km (0.097 R)
• M36: 12,339,880 km (0.079 R)
• M37: 12,638,926 km (0.085 R)
• M38: 12,751,722 km (0.087 R)
• M39: 13,167,904 km (0.066 R)
• M40: 13,320,344 km (0.12 R)
• M41: 13,704,212 km (0.069 R)
• M42: 13,781,405 km (0.097 R)
• M43: 13,897,343 km (0.107 R)
• M44: 14,837,566 km (0.1 R)
• M45: 14,956,496 km (0.095 R)
• M46: 15,717,351 km (0.052 R)
• M47: 15,838,675 km (0.102 R)
• M48: 15,919,607 km (0.106 R)
• M49: 17,193,134 km (0.091 R)
• M50: 17,359,935 km (0.105 R)
• M51: 18,159,087 km (0.084 R)
• M52: 18,328,881 km (0.069 R)
• M53: 19,272,095 km (0.087 R)
• M54: 19,880,510 km (0.112 R)
• M55: 22,741,120 km (0.081 R)
• M56: 23,199,638 km (0.117 R)
• M57: 23,337,866 km (0.099 R)
• M58: 23,476,244 km (0.115 R)
• M59: 23,846,649 km (0.106 R)
• M60: 23,986,074 km (0.079 R)
• M61: 24,687,389 km (0.07 R)
• M62: 25,158,472 km (0.073 R)
• M63: 25,775,564 km (0.087 R)
• M64: 26,253,529 km (0.095 R)
• M65: 26,638,145 km (0.077 R)
• M66: 26,927,766 km (0.076 R)
• M67: 27,121,346 km (0.075 R)
• M68: 27,753,995 km (0.066 R)
• M69: 27,900,601 km (0.1 R)
• M70: 27,998,588 km (0.119 R)
• M71: 29,083,322 km (0.093 R)
• M72: 29,381,471 km (0.101 R)
• M73: 29,531,068 km (0.057 R)
• M74: 29,830,713 km (0.082 R)
• M75: 30,081,289 km (0.109 R)
• M76: 30,332,614 km (0.099 R)
• M77: 30,938,485 km (0.114 R)
• M78: 32,419,055 km (0.11 R)
• M79: 32,728,274 km (0.108 R)
• M80: 32,831,646 km (0.066 R)
• M81: 33,038,540 km (0.115 R)
• M82: 35,131,265 km (0.115 R)
• M83: 35,289,988 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 35.6

Radius: 8

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 10.6 AU - 15.22 AU

Year: 17203 Days

Day: 20 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 47,948,069 km

• M1: 103,671 km (0.088 R)
• M2: 194,627 km (0.099 R)
• M3: 614,398 km (0.11 R)
• M4: 678,277 km (0.111 R)
• M5: 884,273 km (0.045 R)
• M6: 945,159 km (0.084 R)
• M7: 1,097,151 km (0.091 R)
• M8: 1,721,423 km (0.11 R)
• M9: 2,201,482 km (0.092 R)
• M10: 2,302,311 km (0.08 R)
• M11: 2,596,570 km (0.037 R)
• M12: 2,649,827 km (0.077 R)
• M13: 3,126,147 km (0.065 R)
• M14: 3,335,584 km (0.071 R)
• M15: 3,708,531 km (0.084 R)
• M16: 4,219,258 km (0.053 R)
• M17: 4,472,228 km (0.089 R)
• M18: 4,839,192 km (0.05 R)
• M19: 6,378,105 km (0.052 R)
• M20: 6,963,332 km (0.1 R)
• M21: 7,037,832 km (0.107 R)
• M22: 9,747,498 km (0.03 R)
• M23: 10,081,999 km (0.084 R)
• M24: 10,848,688 km (0.118 R)
• M25: 11,137,262 km (0.059 R)
• M26: 11,487,172 km (0.105 R)
• M27: 12,437,417 km (0.084 R)
• M28: 12,891,597 km (0.089 R)
• M29: 13,691,496 km (0.052 R)
• M30: 14,128,920 km (0.081 R)
• M31: 14,317,863 km (0.088 R)
• M32: 14,698,140 km (0.098 R)
• M33: 15,339,317 km (0.029 R)
• M34: 16,351,047 km (0.059 R)
• M35: 17,451,788 km (0.111 R)
• M36: 18,164,622 km (0.113 R)
• M37: 18,645,131 km (0.106 R)
• M38: 19,583,558 km (0.08 R)
• M39: 19,653,719 km (0.072 R)
• M40: 20,324,068 km (0.076 R)
• M41: 20,930,238 km (0.118 R)
• M42: 21,181,563 km (0.059 R)
• M43: 21,433,934 km (0.112 R)
• M44: 22,526,597 km (0.116 R)
• M45: 22,600,050 km (0.057 R)
• M46: 23,637,361 km (0.105 R)
• M47: 24,955,618 km (0.112 R)
• M48: 25,451,385 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.5

Radius: 3.1

Gravity: 14.2 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 11.6 AU - 19.2 AU

Year: 22412 Days

Day: 15.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 47,948,069 km

• M1: 50,714 km (0.118 R)
• M2: 72,854 km (0.038 R)
• M3: 174,132 km (0.117 R)
• M4: 300,093 km (0.114 R)
• M5: 690,544 km (0.111 R)
• M6: 1,163,572 km (0.079 R)
• M7: 1,441,375 km (0.045 R)
• M8: 2,388,629 km (0.115 R)
• M9: 2,766,364 km (0.109 R)
• M10: 2,794,039 km (0.098 R)
• M11: 3,018,885 km (0.07 R)
• M12: 3,515,849 km (0.063 R)
• M13: 3,575,988 km (0.076 R)
• M14: 3,943,849 km (0.1 R)
• M15: 4,132,342 km (0.057 R)
• M16: 4,323,678 km (0.112 R)
• M17: 6,063,202 km (0.038 R)
• M18: 6,872,377 km (0.032 R)
• M19: 6,947,624 km (0.105 R)
• M20: 8,347,860 km (0.115 R)
• M21: 8,629,852 km (0.077 R)
• M22: 9,369,614 km (0.06 R)
• M23: 9,789,236 km (0.091 R)
• M24: 10,044,001 km (0.037 R)
• M25: 10,086,636 km (0.111 R)
• M26: 10,996,491 km (0.084 R)
• M27: 11,796,989 km (0.076 R)
• M28: 11,842,018 km (0.103 R)
• M29: 12,158,866 km (0.044 R)
• M30: 12,204,344 km (0.026 R)
• M31: 12,893,242 km (0.111 R)
• M32: 14,549,141 km (0.059 R)
• M33: 14,645,781 km (0.104 R)
• M34: 14,694,251 km (0.051 R)
• M35: 15,426,532 km (0.1 R)
• M36: 16,320,828 km (0.057 R)
• M37: 16,421,209 km (0.119 R)
• M38: 16,622,717 km (0.103 R)
• M39: 18,944,326 km (0.118 R)
• M40: 19,794,042 km (0.089 R)
• M41: 20,601,721 km (0.068 R)
• M42: 21,475,074 km (0.078 R)
• M43: 22,976,139 km (0.095 R)
• M44: 23,427,475 km (0.11 R)
• M45: 23,938,502 km (0.095 R)
• M46: 24,281,380 km (0.085 R)
• M47: 24,453,268 km (0.104 R)
• M48: 24,971,774 km (0.114 R)
• M49: 25,087,413 km (0.116 R)
• M50: 26,548,685 km (0.079 R)
• M51: 26,903,382 km (0.111 R)
• M52: 27,498,183 km (0.09 R)
• M53: 28,519,338 km (0.094 R)
• M54: 29,308,467 km (0.109 R)
• M55: 29,797,652 km (0.066 R)
• M56: 31,156,749 km (0.027 R)
• M57: 31,281,214 km (0.025 R)
• M58: 32,157,708 km (0.109 R)
• M59: 32,599,022 km (0.04 R)
• M60: 33,870,903 km (0.105 R)
• M61: 34,577,304 km (0.056 R)
• M62: 35,483,269 km (0.055 R)
• M63: 37,517,201 km (0.108 R)
• M64: 38,581,590 km (0.086 R)
• M65: 38,715,331 km (0.083 R)
• M66: 38,983,260 km (0.074 R)
• M67: 39,386,427 km (0.1 R)
• M68: 39,790,939 km (0.11 R)
• M69: 40,672,071 km (0.103 R)
• M70: 40,944,488 km (0.064 R)
• M71: 42,040,143 km (0.079 R)
• M72: 42,660,675 km (0.057 R)
• M73: 42,798,904 km (0.076 R)
• M74: 42,937,431 km (0.093 R)
• M75: 43,423,176 km (0.092 R)
• M76: 43,631,865 km (0.07 R)
• M77: 44,540,372 km (0.111 R)
• M78: 45,172,872 km (0.109 R)
• M79: 46,375,789 km (0.094 R)
• M80: 46,660,324 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 16,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit