🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.56 AU - 0.74 AU

Year: 333 Days

Day: 25.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,911,835 km

• M1: 43,234 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.3

Radius: 9.3

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.26 AU - 2.3 AU

Year: 2189 Days

Day: 7.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,911,835 km

• M1: 115,639 km (0.089 R)
• M2: 860,637 km (0.04 R)
• M3: 1,444,816 km (0.111 R)
• M4: 1,900,940 km (0.113 R)
• M5: 2,248,007 km (0.075 R)
• M6: 3,662,156 km (0.113 R)
• M7: 4,932,691 km (0.1 R)
• M8: 5,793,477 km (0.088 R)
• M9: 6,259,923 km (0.029 R)
• M10: 7,180,249 km (0.084 R)
• M11: 7,627,247 km (0.078 R)
• M12: 8,643,017 km (0.084 R)
• M13: 10,109,824 km (0.11 R)
• M14: 10,902,543 km (0.107 R)
• M15: 12,955,924 km (0.117 R)
• M16: 13,484,752 km (0.114 R)
• M17: 14,027,942 km (0.117 R)
• M18: 15,013,493 km (0.116 R)
• M19: 16,913,236 km (0.095 R)
• M20: 17,332,708 km (0.066 R)
• M21: 17,759,062 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.8

Radius: 8.2

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.35 AU - 2.67 AU

Year: 2528 Days

Day: 14.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,911,835 km

• M1: 102,026 km (0.113 R)
• M2: 422,315 km (0.108 R)
• M3: 708,496 km (0.095 R)
• M4: 1,201,720 km (0.085 R)
• M5: 1,659,639 km (0.115 R)
• M6: 1,950,906 km (0.088 R)
• M7: 2,471,506 km (0.07 R)
• M8: 2,771,749 km (0.115 R)
• M9: 4,953,933 km (0.098 R)
• M10: 6,535,482 km (0.104 R)
• M11: 6,933,861 km (0.104 R)
• M12: 7,588,651 km (0.031 R)
• M13: 8,028,918 km (0.096 R)
• M14: 8,428,045 km (0.094 R)
• M15: 9,204,458 km (0.111 R)
• M16: 11,142,049 km (0.034 R)
• M17: 12,039,637 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.5

Radius: 11

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.54 AU - 3.12 AU

Year: 3027 Days

Day: 5.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,911,835 km

• M1: 136,882 km (0.103 R)
• M2: 479,910 km (0.116 R)
• M3: 926,011 km (0.047 R)
• M4: 1,595,611 km (0.093 R)
• M5: 1,956,890 km (0.068 R)
• M6: 2,704,730 km (0.08 R)
• M7: 3,084,409 km (0.055 R)
• M8: 3,518,542 km (0.072 R)
• M9: 4,510,974 km (0.089 R)
• M10: 5,097,099 km (0.102 R)
• M11: 7,509,065 km (0.109 R)
• M12: 11,338,621 km (0.115 R)
• M13: 12,830,411 km (0.101 R)
• M14: 13,766,894 km (0.116 R)
• M15: 14,300,958 km (0.114 R)
• M16: 15,828,203 km (0.086 R)
• M17: 16,795,353 km (0.1 R)
• M18: 17,293,364 km (0.117 R)
• M19: 19,025,109 km (0.081 R)
• M20: 21,769,931 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.9

Radius: 13.4

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.75 AU - 4.93 AU

Year: 5749 Days

Day: 12 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,911,835 km

• M1: 167,250 km (0.069 R)
• M2: 704,157 km (0.109 R)
• M3: 1,542,504 km (0.09 R)
• M4: 2,460,885 km (0.082 R)
• M5: 3,194,513 km (0.077 R)
• M6: 4,029,718 km (0.118 R)
• M7: 5,948,161 km (0.085 R)
• M8: 6,461,880 km (0.09 R)
• M9: 7,735,257 km (0.094 R)
• M10: 8,381,819 km (0.069 R)
• M11: 8,959,566 km (0.037 R)
• M12: 12,735,716 km (0.116 R)
• M13: 13,917,539 km (0.12 R)
• M14: 16,763,040 km (0.042 R)
• M15: 17,462,709 km (0.031 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 899

Radius: 6.9

Gravity: 18.88 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.29 AU - 6.75 AU

Year: 10585 Days

Day: 21.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,911,835 km

• M1: 86,019 km (0.11 R)
• M2: 372,499 km (0.091 R)
• M3: 783,145 km (0.073 R)
• M4: 1,042,398 km (0.045 R)
• M5: 1,599,800 km (0.104 R)
• M6: 2,379,354 km (0.036 R)
• M7: 3,364,007 km (0.075 R)
• M8: 5,557,710 km (0.072 R)
• M9: 6,180,038 km (0.086 R)
• M10: 6,449,463 km (0.111 R)
• M11: 6,807,302 km (0.048 R)
• M12: 9,239,464 km (0.095 R)
• M13: 9,694,540 km (0.047 R)
• M14: 12,377,877 km (0.038 R)
• M15: 12,621,722 km (0.111 R)
• M16: 16,307,813 km (0.08 R)
• M17: 17,197,921 km (0.105 R)
• M18: 18,993,694 km (0.065 R)
• M19: 19,400,001 km (0.094 R)
• M20: 22,049,679 km (0.072 R)
• M21: 31,769,501 km (0.093 R)
• M22: 35,553,430 km (0.109 R)
• M23: 40,024,611 km (0.106 R)
• M24: 40,558,376 km (0.109 R)
• M25: 41,503,685 km (0.077 R)
• M26: 42,463,655 km (0.08 R)
• M27: 44,285,607 km (0.067 R)
• M28: 45,287,913 km (0.047 R)
• M29: 46,745,894 km (0.097 R)
• M30: 50,994,473 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.4

Radius: 3.9

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.52 AU - 6.64 AU

Year: 10732 Days

Day: 22.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,911,835 km

• M1: 49,068 km (0.101 R)
• M2: 289,173 km (0.088 R)
• M3: 495,618 km (0.107 R)
• M4: 1,052,571 km (0.112 R)
• M5: 1,407,118 km (0.114 R)
• M6: 1,863,541 km (0.054 R)
• M7: 2,163,185 km (0.107 R)
• M8: 2,332,380 km (0.039 R)
• M9: 2,510,551 km (0.119 R)
• M10: 2,821,565 km (0.093 R)
• M11: 3,478,450 km (0.104 R)
• M12: 3,668,140 km (0.097 R)
• M13: 4,546,429 km (0.088 R)
• M14: 5,277,364 km (0.119 R)
• M15: 5,993,339 km (0.049 R)
• M16: 6,204,871 km (0.055 R)
• M17: 6,675,057 km (0.106 R)
• M18: 7,971,921 km (0.088 R)
• M19: 11,187,527 km (0.035 R)
• M20: 11,741,338 km (0.046 R)
• M21: 13,981,118 km (0.106 R)
• M22: 17,450,143 km (0.099 R)
• M23: 17,943,666 km (0.03 R)
• M24: 18,256,924 km (0.085 R)
• M25: 18,958,837 km (0.048 R)
• M26: 19,480,485 km (0.056 R)
• M27: 24,002,978 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.7

Radius: 5.9

Gravity: 16.19 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.15 AU - 8.43 AU

Year: 11250 Days

Day: 18.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 143.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,911,835 km

• M1: 73,453 km (0.049 R)
• M2: 342,430 km (0.084 R)
• M3: 1,007,242 km (0.109 R)
• M4: 1,490,892 km (0.119 R)
• M5: 2,336,719 km (0.054 R)
• M6: 2,777,584 km (0.042 R)
• M7: 3,540,682 km (0.056 R)
• M8: 3,903,607 km (0.104 R)
• M9: 7,336,728 km (0.108 R)
• M10: 8,592,902 km (0.093 R)
• M11: 8,823,282 km (0.093 R)
• M12: 10,976,893 km (0.069 R)
• M13: 11,747,472 km (0.106 R)
• M14: 14,993,297 km (0.116 R)
• M15: 16,429,586 km (0.111 R)
• M16: 16,928,046 km (0.119 R)
• M17: 18,256,176 km (0.103 R)
• M18: 19,023,314 km (0.114 R)
• M19: 22,918,543 km (0.101 R)
• M20: 23,720,538 km (0.089 R)
• M21: 25,005,134 km (0.12 R)
• M22: 25,664,412 km (0.076 R)
• M23: 28,114,077 km (0.045 R)
• M24: 29,656,431 km (0.101 R)
• M25: 29,866,168 km (0.1 R)
• M26: 30,930,108 km (0.119 R)
• M27: 33,472,673 km (0.099 R)
• M28: 34,969,699 km (0.116 R)
• M29: 36,031,844 km (0.104 R)
• M30: 36,751,709 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.5

Radius: 6

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.42 AU - 8.88 AU

Year: 14793 Days

Day: 15.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,911,835 km

• M1: 76,445 km (0.102 R)
• M2: 364,720 km (0.093 R)
• M3: 744,848 km (0.047 R)
• M4: 1,186,311 km (0.067 R)
• M5: 1,544,149 km (0.067 R)
• M6: 1,820,905 km (0.051 R)
• M7: 3,298,334 km (0.082 R)
• M8: 4,439,766 km (0.076 R)
• M9: 5,333,762 km (0.095 R)
• M10: 6,851,283 km (0.085 R)
• M11: 7,557,385 km (0.092 R)
• M12: 9,016,712 km (0.049 R)
• M13: 9,609,419 km (0.1 R)
• M14: 10,927,077 km (0.071 R)
• M15: 22,407,517 km (0.119 R)
• M16: 26,755,579 km (0.109 R)
• M17: 29,020,790 km (0.07 R)
• M18: 32,311,345 km (0.117 R)
• M19: 39,232,490 km (0.053 R)
• M20: 39,621,894 km (0.109 R)
• M21: 47,961,825 km (0.047 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.6

Radius: 7.5

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 9.7 AU - 12.88 AU

Year: 24120 Days

Day: 17.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,911,835 km

• M1: 93,199 km (0.105 R)
• M2: 441,164 km (0.112 R)
• M3: 690,693 km (0.113 R)
• M4: 1,182,422 km (0.087 R)
• M5: 1,531,284 km (0.116 R)
• M6: 1,813,425 km (0.101 R)
• M7: 2,172,460 km (0.044 R)
• M8: 2,414,659 km (0.047 R)
• M9: 3,692,225 km (0.082 R)
• M10: 5,983,466 km (0.119 R)
• M11: 7,800,332 km (0.088 R)
• M12: 8,161,461 km (0.111 R)
• M13: 8,426,250 km (0.092 R)
• M14: 9,141,776 km (0.101 R)
• M15: 11,010,553 km (0.077 R)
• M16: 12,274,206 km (0.118 R)
• M17: 17,414,987 km (0.086 R)
• M18: 17,943,367 km (0.073 R)
• M19: 20,551,755 km (0.073 R)
• M20: 21,042,736 km (0.116 R)
• M21: 22,666,621 km (0.087 R)
• M22: 23,830,342 km (0.031 R)
• M23: 25,933,240 km (0.066 R)
• M24: 29,253,415 km (0.112 R)
• M25: 29,874,695 km (0.103 R)
• M26: 33,652,939 km (0.072 R)
• M27: 35,445,570 km (0.064 R)
• M28: 41,827,415 km (0.066 R)
• M29: 43,093,611 km (0.104 R)
• M30: 44,548,451 km (0.042 R)
• M31: 52,863,998 km (0.091 R)
• M32: 54,156,972 km (0.117 R)
• M33: 55,660,431 km (0.118 R)
• M34: 57,772,753 km (0.074 R)
• M35: 66,757,451 km (0.11 R)
• M36: 75,927,502 km (0.108 R)
• M37: 77,809,592 km (0.068 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 20,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit