🌌 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: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.78 AU - 0.84 AU

Year: 273 Days

Day: 39.9 Hours

Environment

Temp: 159 °C

Axial Tilt: 11 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.11 AU - 1.11 AU

Year: 438 Days

Day: 46.6 Hours

Environment

Temp: -10 °C

Axial Tilt: 32.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.07 AU - 1.41 AU

Year: 517 Days

Day: 24.1 Hours

Environment

Temp: -6 °C

Axial Tilt: 35.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 38,391,579 km

• M1: 543,639 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.6 AU - 2.92 AU

Year: 1718 Days

Day: 42.3 Hours

Environment

Temp: -101 °C

Axial Tilt: 49.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,391,579 km

• M1: 866,172 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.52 AU - 4.98 AU

Year: 3283 Days

Day: 41.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.6

Radius: 11.6

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.57 AU - 8.53 AU

Year: 7774 Days

Day: 12.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 38,391,579 km

• M1: 194,028 km (0.088 R)
• M2: 641,775 km (0.052 R)
• M3: 763,248 km (0.104 R)
• M4: 893,249 km (0.078 R)
• M5: 1,677,291 km (0.118 R)
• M6: 1,894,956 km (0.102 R)
• M7: 2,099,008 km (0.067 R)
• M8: 2,239,181 km (0.108 R)
• M9: 2,406,731 km (0.116 R)
• M10: 2,960,542 km (0.113 R)
• M11: 3,039,081 km (0.075 R)
• M12: 3,497,897 km (0.065 R)
• M13: 3,721,397 km (0.107 R)
• M14: 3,920,811 km (0.095 R)
• M15: 4,330,559 km (0.115 R)
• M16: 4,450,088 km (0.074 R)
• M17: 4,601,182 km (0.084 R)
• M18: 4,753,921 km (0.119 R)
• M19: 4,877,489 km (0.061 R)
• M20: 5,575,662 km (0.077 R)
• M21: 6,203,824 km (0.065 R)
• M22: 6,339,060 km (0.105 R)
• M23: 6,715,748 km (0.09 R)
• M24: 6,819,868 km (0.078 R)
• M25: 7,383,852 km (0.098 R)
• M26: 7,491,263 km (0.097 R)
• M27: 8,146,801 km (0.111 R)
• M28: 8,556,400 km (0.11 R)
• M29: 8,744,893 km (0.093 R)
• M30: 10,301,758 km (0.095 R)
• M31: 10,381,793 km (0.083 R)
• M32: 10,866,789 km (0.053 R)
• M33: 10,989,160 km (0.101 R)
• M34: 11,441,844 km (0.105 R)
• M35: 11,900,660 km (0.104 R)
• M36: 13,139,031 km (0.087 R)
• M37: 13,619,540 km (0.12 R)
• M38: 13,751,485 km (0.098 R)
• M39: 14,061,302 km (0.067 R)
• M40: 14,507,852 km (0.112 R)
• M41: 14,959,039 km (0.058 R)
• M42: 15,140,800 km (0.083 R)
• M43: 15,369,087 km (0.046 R)
• M44: 16,903,961 km (0.065 R)
• M45: 17,474,228 km (0.073 R)
• M46: 18,292,977 km (0.079 R)
• M47: 18,487,305 km (0.068 R)
• M48: 18,633,612 km (0.119 R)
• M49: 19,569,047 km (0.119 R)
• M50: 20,017,541 km (0.041 R)
• M51: 20,318,383 km (0.116 R)
• M52: 20,721,848 km (0.106 R)
• M53: 21,485,545 km (0.07 R)
• M54: 21,948,102 km (0.09 R)
• M55: 22,622,190 km (0.073 R)
• M56: 23,197,843 km (0.094 R)
• M57: 24,043,819 km (0.071 R)
• M58: 24,256,846 km (0.112 R)
• M59: 25,331,707 km (0.096 R)
• M60: 25,548,474 km (0.118 R)
• M61: 25,765,840 km (0.103 R)
• M62: 26,093,160 km (0.111 R)
• M63: 26,202,665 km (0.069 R)
• M64: 27,360,703 km (0.109 R)
• M65: 27,862,155 km (0.108 R)
• M66: 29,327,615 km (0.105 R)
• M67: 29,955,328 km (0.093 R)
• M68: 30,299,403 km (0.091 R)
• M69: 30,818,209 km (0.037 R)
• M70: 31,398,050 km (0.049 R)
• M71: 31,514,437 km (0.09 R)
• M72: 32,981,543 km (0.052 R)
• M73: 33,336,988 km (0.119 R)
• M74: 33,455,769 km (0.119 R)
• M75: 33,634,089 km (0.084 R)
• M76: 34,651,056 km (0.105 R)
• M77: 35,556,721 km (0.057 R)
• M78: 35,921,142 km (0.066 R)
• M79: 36,164,836 km (0.048 R)
• M80: 36,960,548 km (0.11 R)
• M81: 38,943,617 km (0.084 R)
• M82: 40,897,515 km (0.084 R)
• M83: 42,046,726 km (0.083 R)
• M84: 43,077,006 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.4

Radius: 13.3

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 10.8 AU - 11.8 AU

Year: 14235 Days

Day: 9.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 38,391,579 km

• M1: 166,502 km (0.062 R)
• M2: 276,008 km (0.069 R)
• M3: 373,396 km (0.109 R)
• M4: 686,205 km (0.06 R)
• M5: 795,711 km (0.117 R)
• M6: 896,989 km (0.086 R)
• M7: 1,146,668 km (0.099 R)
• M8: 1,366,876 km (0.079 R)
• M9: 1,527,693 km (0.084 R)
• M10: 1,733,241 km (0.073 R)
• M11: 1,829,881 km (0.051 R)
• M12: 2,028,547 km (0.119 R)
• M13: 2,448,020 km (0.108 R)
• M14: 2,645,788 km (0.094 R)
• M15: 2,848,942 km (0.119 R)
• M16: 3,151,728 km (0.044 R)
• M17: 4,279,397 km (0.057 R)
• M18: 4,492,274 km (0.056 R)
• M19: 4,627,062 km (0.112 R)
• M20: 4,983,853 km (0.067 R)
• M21: 5,378,193 km (0.088 R)
• M22: 5,550,380 km (0.076 R)
• M23: 5,753,534 km (0.116 R)
• M24: 6,287,449 km (0.082 R)
• M25: 6,868,337 km (0.114 R)
• M26: 7,244,127 km (0.097 R)
• M27: 7,370,837 km (0.059 R)
• M28: 8,114,338 km (0.112 R)
• M29: 9,498,268 km (0.083 R)
• M30: 10,058,213 km (0.099 R)
• M31: 10,377,903 km (0.053 R)
• M32: 11,541,625 km (0.072 R)
• M33: 12,403,459 km (0.108 R)
• M34: 13,131,103 km (0.12 R)
• M35: 13,402,772 km (0.029 R)
• M36: 13,715,432 km (0.115 R)
• M37: 13,912,153 km (0.117 R)
• M38: 14,869,131 km (0.094 R)
• M39: 15,314,783 km (0.084 R)
• M40: 16,095,235 km (0.112 R)
• M41: 17,099,336 km (0.111 R)
• M42: 17,311,017 km (0.096 R)
• M43: 17,609,016 km (0.083 R)
• M44: 18,253,184 km (0.095 R)
• M45: 20,861,124 km (0.106 R)
• M46: 20,996,809 km (0.087 R)
• M47: 21,360,182 km (0.094 R)
• M48: 21,496,915 km (0.073 R)
• M49: 21,725,650 km (0.11 R)
• M50: 21,909,057 km (0.09 R)
• M51: 22,185,364 km (0.117 R)
• M52: 22,741,120 km (0.058 R)
• M53: 22,834,320 km (0.071 R)
• M54: 23,020,868 km (0.108 R)
• M55: 23,677,902 km (0.115 R)
• M56: 24,103,508 km (0.085 R)
• M57: 24,245,925 km (0.105 R)
• M58: 25,492,076 km (0.081 R)
• M59: 25,831,214 km (0.116 R)
• M60: 26,759,170 km (0.116 R)
• M61: 26,906,673 km (0.103 R)
• M62: 27,648,379 km (0.062 R)
• M63: 28,697,958 km (0.047 R)
• M64: 29,404,957 km (0.063 R)
• M65: 29,506,385 km (0.098 R)
• M66: 29,913,441 km (0.116 R)
• M67: 31,300,811 km (0.054 R)
• M68: 31,768,005 km (0.074 R)
• M69: 32,761,784 km (0.079 R)
• M70: 33,500,648 km (0.084 R)
• M71: 34,191,641 km (0.096 R)
• M72: 34,619,191 km (0.08 R)
• M73: 34,833,565 km (0.066 R)
• M74: 35,912,465 km (0.065 R)
• M75: 36,238,289 km (0.097 R)
• M76: 36,510,408 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112

Radius: 3.8

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 12.47 AU - 13.69 AU

Year: 17727 Days

Day: 16.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 38,391,579 km

• M1: 389,104 km (0.11 R)
• M2: 697,425 km (0.097 R)
• M3: 834,906 km (0.118 R)
• M4: 1,241,662 km (0.115 R)
• M5: 2,432,611 km (0.119 R)
• M6: 2,687,675 km (0.116 R)
• M7: 3,098,322 km (0.065 R)
• M8: 3,248,069 km (0.076 R)
• M9: 3,476,804 km (0.114 R)
• M10: 3,763,733 km (0.073 R)
• M11: 4,415,531 km (0.05 R)
• M12: 5,426,812 km (0.079 R)
• M13: 5,546,790 km (0.095 R)
• M14: 5,637,446 km (0.118 R)
• M15: 5,973,593 km (0.053 R)
• M16: 6,097,609 km (0.045 R)
• M17: 6,506,011 km (0.098 R)
• M18: 8,923,214 km (0.084 R)
• M19: 9,029,279 km (0.054 R)
• M20: 9,422,123 km (0.067 R)
• M21: 9,494,229 km (0.103 R)
• M22: 10,076,913 km (0.117 R)
• M23: 10,521,517 km (0.044 R)
• M24: 11,545,216 km (0.076 R)
• M25: 11,622,259 km (0.09 R)
• M26: 11,660,855 km (0.111 R)
• M27: 11,738,197 km (0.107 R)
• M28: 11,932,225 km (0.097 R)
• M29: 13,038,651 km (0.118 R)
• M30: 13,078,743 km (0.071 R)
• M31: 14,342,696 km (0.119 R)
• M32: 14,467,012 km (0.079 R)
• M33: 14,926,128 km (0.098 R)
• M34: 15,389,881 km (0.099 R)
• M35: 15,815,636 km (0.067 R)
• M36: 16,202,197 km (0.096 R)
• M37: 16,245,282 km (0.107 R)
• M38: 16,461,600 km (0.078 R)
• M39: 16,548,367 km (0.058 R)
• M40: 16,722,349 km (0.063 R)
• M41: 20,280,684 km (0.087 R)
• M42: 20,934,876 km (0.113 R)
• M43: 21,548,526 km (0.094 R)
• M44: 22,552,178 km (0.061 R)
• M45: 23,375,864 km (0.101 R)
• M46: 23,424,633 km (0.037 R)
• M47: 23,619,858 km (0.094 R)
• M48: 23,668,777 km (0.075 R)
• M49: 25,302,086 km (0.083 R)
• M50: 26,107,072 km (0.078 R)
• M51: 26,512,632 km (0.04 R)
• M52: 26,563,496 km (0.044 R)
• M53: 26,665,222 km (0.03 R)
• M54: 26,971,449 km (0.119 R)
• M55: 27,948,473 km (0.12 R)
• M56: 28,051,994 km (0.085 R)
• M57: 28,103,905 km (0.057 R)
• M58: 28,884,806 km (0.052 R)
• M59: 28,937,165 km (0.094 R)
• M60: 29,094,392 km (0.068 R)
• M61: 29,304,278 km (0.082 R)
• M62: 32,187,777 km (0.064 R)
• M63: 34,825,786 km (0.111 R)
• M64: 35,272,036 km (0.115 R)
• M65: 36,001,476 km (0.039 R)
• M66: 36,679,154 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 18,560 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit