🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.53 AU - 0.65 AU

Year: 174 Days

Day: 24.7 Hours

Environment

Temp: 189 °C

Axial Tilt: 29.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,513,460 km

• M1: 397,631 km (0.045 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.6 AU - 0.64 AU

Year: 187 Days

Day: 40.4 Hours

Environment

Temp: 138 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.75 AU - 0.99 AU

Year: 311 Days

Day: 46.5 Hours

Environment

Temp: 23 °C

Axial Tilt: 46.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 38,513,460 km

• M1: 30,817 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.3 AU - 1.72 AU

Year: 710 Days

Day: 23.1 Hours

Environment

Temp: -53 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,513,460 km

• M1: 51,761 km (0.062 R)
• M2: 511,774 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.63 AU - 2.63 AU

Year: 1190 Days

Day: 25.2 Hours

Environment

Temp: -95 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,513,460 km

• M1: 125,662 km (0.103 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.97 AU - 3.01 AU

Year: 1980 Days

Day: 22.4 Hours

Environment

Temp: -110 °C

Axial Tilt: 45.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.94 AU - 3.8 AU

Year: 2369 Days

Day: 37.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 41.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,513,460 km

• M1: 450,290 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.3

Radius: 9.2

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.95 AU - 6.09 AU

Year: 4966 Days

Day: 12 Hours

Environment

Temp: -164 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 38,513,460 km

• M1: 146,157 km (0.064 R)
• M2: 209,886 km (0.052 R)
• M3: 322,533 km (0.058 R)
• M4: 401,072 km (0.093 R)
• M5: 514,916 km (0.104 R)
• M6: 630,854 km (0.074 R)
• M7: 692,339 km (0.075 R)
• M8: 799,900 km (0.058 R)
• M9: 878,738 km (0.056 R)
• M10: 1,069,326 km (0.096 R)
• M11: 1,131,708 km (0.037 R)
• M12: 1,195,437 km (0.098 R)
• M13: 1,286,841 km (0.118 R)
• M14: 2,227,811 km (0.115 R)
• M15: 2,407,329 km (0.057 R)
• M16: 2,574,729 km (0.1 R)
• M17: 2,867,941 km (0.058 R)
• M18: 3,063,615 km (0.091 R)
• M19: 3,172,073 km (0.099 R)
• M20: 3,355,929 km (0.048 R)
• M21: 3,543,226 km (0.045 R)
• M22: 3,811,305 km (0.076 R)
• M23: 3,889,245 km (0.096 R)
• M24: 4,185,748 km (0.108 R)
• M25: 4,387,706 km (0.045 R)
• M26: 4,738,213 km (0.111 R)
• M27: 5,140,781 km (0.106 R)
• M28: 5,313,567 km (0.111 R)
• M29: 5,488,297 km (0.111 R)
• M30: 5,598,551 km (0.082 R)
• M31: 5,731,693 km (0.041 R)
• M32: 6,046,746 km (0.067 R)
• M33: 6,114,963 km (0.094 R)
• M34: 6,623,147 km (0.112 R)
• M35: 7,025,266 km (0.094 R)
• M36: 7,217,200 km (0.075 R)
• M37: 7,483,933 km (0.091 R)
• M38: 7,630,838 km (0.091 R)
• M39: 7,778,790 km (0.118 R)
• M40: 8,329,011 km (0.111 R)
• M41: 8,557,746 km (0.108 R)
• M42: 8,634,490 km (0.068 R)
• M43: 8,711,533 km (0.088 R)
• M44: 8,891,948 km (0.065 R)
• M45: 9,021,500 km (0.094 R)
• M46: 9,204,159 km (0.117 R)
• M47: 9,732,538 km (0.1 R)
• M48: 10,108,328 km (0.03 R)
• M49: 10,625,787 km (0.117 R)
• M50: 10,984,972 km (0.09 R)
• M51: 12,086,162 km (0.082 R)
• M52: 12,635,186 km (0.041 R)
• M53: 12,781,193 km (0.065 R)
• M54: 13,518,860 km (0.08 R)
• M55: 13,578,550 km (0.031 R)
• M56: 14,149,266 km (0.115 R)
• M57: 14,697,243 km (0.1 R)
• M58: 15,813,841 km (0.1 R)
• M59: 15,908,238 km (0.115 R)
• M60: 16,446,042 km (0.108 R)
• M61: 16,957,667 km (0.088 R)
• M62: 17,247,887 km (0.04 R)
• M63: 17,832,964 km (0.087 R)
• M64: 18,292,678 km (0.113 R)
• M65: 18,523,956 km (0.099 R)
• M66: 18,623,439 km (0.1 R)
• M67: 18,722,922 km (0.115 R)
• M68: 18,955,995 km (0.052 R)
• M69: 19,223,626 km (0.032 R)
• M70: 19,357,964 km (0.113 R)
• M71: 19,661,050 km (0.078 R)
• M72: 20,408,890 km (0.092 R)
• M73: 20,958,662 km (0.081 R)
• M74: 22,530,786 km (0.071 R)
• M75: 22,920,787 km (0.05 R)
• M76: 23,170,167 km (0.086 R)
• M77: 23,384,690 km (0.113 R)
• M78: 23,599,812 km (0.111 R)
• M79: 23,743,576 km (0.052 R)
• M80: 23,959,745 km (0.078 R)
• M81: 24,249,067 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.2

Radius: 13.2

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.19 AU - 10.17 AU

Year: 10650 Days

Day: 7.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 38,513,460 km

• M1: 252,820 km (0.063 R)
• M2: 405,261 km (0.069 R)
• M3: 601,084 km (0.114 R)
• M4: 791,373 km (0.094 R)
• M5: 916,287 km (0.074 R)
• M6: 1,349,672 km (0.042 R)
• M7: 1,625,231 km (0.117 R)
• M8: 1,806,993 km (0.094 R)
• M9: 2,014,934 km (0.09 R)
• M10: 2,191,160 km (0.072 R)
• M11: 2,393,117 km (0.114 R)
• M12: 2,686,329 km (0.097 R)
• M13: 2,815,582 km (0.087 R)
• M14: 3,080,669 km (0.103 R)
• M15: 3,307,908 km (0.098 R)
• M16: 3,493,709 km (0.05 R)
• M17: 3,659,164 km (0.063 R)
• M18: 4,196,220 km (0.06 R)
• M19: 4,968,893 km (0.074 R)
• M20: 5,785,249 km (0.081 R)
• M21: 6,038,368 km (0.037 R)
• M22: 6,381,696 km (0.101 R)
• M23: 6,849,339 km (0.109 R)
• M24: 8,700,463 km (0.071 R)
• M25: 8,796,953 km (0.093 R)
• M26: 8,926,056 km (0.097 R)
• M27: 9,088,519 km (0.027 R)
• M28: 9,317,404 km (0.108 R)
• M29: 9,647,866 km (0.107 R)
• M30: 10,218,432 km (0.111 R)
• M31: 10,422,484 km (0.075 R)
• M32: 10,903,890 km (0.103 R)
• M33: 11,427,632 km (0.083 R)
• M34: 12,282,883 km (0.061 R)
• M35: 12,791,366 km (0.092 R)
• M36: 12,937,822 km (0.053 R)
• M37: 13,195,729 km (0.06 R)
• M38: 13,529,631 km (0.118 R)
• M39: 14,739,579 km (0.054 R)
• M40: 15,009,005 km (0.109 R)
• M41: 15,124,943 km (0.103 R)
• M42: 15,279,927 km (0.081 R)
• M43: 16,340,276 km (0.049 R)
• M44: 16,618,977 km (0.102 R)
• M45: 17,262,098 km (0.12 R)
• M46: 18,283,403 km (0.116 R)
• M47: 18,489,998 km (0.115 R)
• M48: 18,947,169 km (0.071 R)
• M49: 20,000,338 km (0.118 R)
• M50: 20,641,365 km (0.114 R)
• M51: 21,419,423 km (0.099 R)
• M52: 21,506,489 km (0.119 R)
• M53: 21,812,118 km (0.117 R)
• M54: 22,339,450 km (0.116 R)
• M55: 22,826,391 km (0.098 R)
• M56: 23,946,281 km (0.105 R)
• M57: 24,444,741 km (0.112 R)
• M58: 24,626,951 km (0.077 R)
• M59: 24,718,056 km (0.095 R)
• M60: 25,084,122 km (0.066 R)
• M61: 25,636,587 km (0.082 R)
• M62: 25,914,241 km (0.104 R)
• M63: 27,223,372 km (0.11 R)
• M64: 27,364,891 km (0.115 R)
• M65: 27,601,406 km (0.109 R)
• M66: 28,458,302 km (0.083 R)
• M67: 29,082,574 km (0.068 R)
• M68: 29,565,925 km (0.056 R)
• M69: 29,954,430 km (0.066 R)
• M70: 30,344,731 km (0.065 R)
• M71: 31,377,256 km (0.115 R)
• M72: 31,972,356 km (0.09 R)
• M73: 32,621,312 km (0.102 R)
• M74: 33,123,512 km (0.042 R)
• M75: 33,628,255 km (0.036 R)
• M76: 33,830,810 km (0.097 R)

Planet 10 - Gas Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.4

Radius: 14.1

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 9.03 AU - 10.23 AU

Year: 11442 Days

Day: 13.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 38,513,460 km

• M1: 219,610 km (0.113 R)
• M2: 405,111 km (0.113 R)
• M3: 643,121 km (0.06 R)
• M4: 825,331 km (0.063 R)
• M5: 1,042,847 km (0.115 R)
• M6: 1,176,138 km (0.083 R)
• M7: 1,424,321 km (0.12 R)
• M8: 1,536,071 km (0.043 R)
• M9: 1,829,133 km (0.115 R)
• M10: 2,034,830 km (0.114 R)
• M11: 2,721,634 km (0.094 R)
• M12: 3,030,254 km (0.077 R)
• M13: 4,050,811 km (0.059 R)
• M14: 4,459,513 km (0.096 R)
• M15: 5,025,292 km (0.077 R)
• M16: 5,170,252 km (0.119 R)
• M17: 5,316,708 km (0.087 R)
• M18: 5,764,604 km (0.089 R)
• M19: 6,131,718 km (0.117 R)
• M20: 6,380,648 km (0.105 R)
• M21: 6,792,491 km (0.088 R)
• M22: 6,888,832 km (0.071 R)
• M23: 7,843,117 km (0.119 R)
• M24: 8,011,864 km (0.088 R)
• M25: 10,056,567 km (0.081 R)
• M26: 11,136,664 km (0.094 R)
• M27: 11,709,923 km (0.087 R)
• M28: 12,175,322 km (0.109 R)
• M29: 12,410,340 km (0.099 R)
• M30: 12,528,522 km (0.057 R)
• M31: 12,726,141 km (0.111 R)
• M32: 13,044,486 km (0.074 R)
• M33: 13,811,324 km (0.104 R)
• M34: 14,097,505 km (0.113 R)
• M35: 15,261,975 km (0.037 R)
• M36: 15,600,365 km (0.101 R)
• M37: 16,327,710 km (0.111 R)
• M38: 17,022,293 km (0.03 R)
• M39: 17,373,250 km (0.098 R)
• M40: 17,593,906 km (0.026 R)
• M41: 18,982,175 km (0.063 R)
• M42: 19,255,041 km (0.117 R)
• M43: 19,529,104 km (0.107 R)
• M44: 20,731,722 km (0.104 R)
• M45: 21,578,446 km (0.105 R)
• M46: 22,772,985 km (0.09 R)
• M47: 23,451,411 km (0.058 R)
• M48: 23,793,093 km (0.044 R)
• M49: 24,038,134 km (0.109 R)
• M50: 24,580,277 km (0.056 R)
• M51: 25,126,458 km (0.083 R)
• M52: 25,777,209 km (0.071 R)
• M53: 26,789,089 km (0.068 R)
• M54: 27,453,752 km (0.077 R)
• M55: 28,956,014 km (0.103 R)
• M56: 29,638,181 km (0.089 R)
• M57: 32,202,288 km (0.102 R)
• M58: 33,127,401 km (0.089 R)
• M59: 33,346,413 km (0.106 R)
• M60: 33,840,834 km (0.11 R)
• M61: 34,392,999 km (0.065 R)
• M62: 34,892,507 km (0.119 R)
• M63: 35,059,607 km (0.062 R)
• M64: 35,171,058 km (0.066 R)
• M65: 35,450,357 km (0.09 R)
• M66: 36,405,539 km (0.057 R)
• M67: 36,914,621 km (0.118 R)
• M68: 37,539,940 km (0.11 R)
• M69: 37,939,815 km (0.034 R)
• M70: 38,513,523 km (0.064 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 19,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit