🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.9

Radius: 9.2

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.46 AU - 0.56 AU

Year: 247 Days

Day: 5 Hours

Environment

Temp: -142 °C

Axial Tilt: 69.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,362,344 km

• M1: 114,442 km (0.114 R)
• M2: 418,276 km (0.078 R)
• M3: 815,009 km (0.085 R)
• M4: 1,366,726 km (0.104 R)
• M5: 1,982,770 km (0.087 R)
• M6: 2,936,756 km (0.083 R)
• M7: 3,889,993 km (0.079 R)
• M8: 4,373,344 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.7

Radius: 9.7

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.57 AU - 0.77 AU

Year: 372 Days

Day: 5.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,362,344 km

• M1: 120,725 km (0.08 R)
• M2: 550,371 km (0.093 R)
• M3: 937,380 km (0.086 R)
• M4: 1,347,727 km (0.109 R)
• M5: 1,891,067 km (0.062 R)
• M6: 2,392,070 km (0.057 R)
• M7: 2,748,711 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.9

Radius: 12.7

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.68 AU - 0.88 AU

Year: 467 Days

Day: 6.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,362,344 km

• M1: 158,275 km (0.1 R)
• M2: 572,511 km (0.103 R)
• M3: 1,064,239 km (0.12 R)
• M4: 1,546,992 km (0.049 R)
• M5: 2,063,254 km (0.063 R)
• M6: 2,735,397 km (0.097 R)
• M7: 3,199,001 km (0.062 R)
• M8: 3,599,923 km (0.092 R)
• M9: 4,173,332 km (0.086 R)
• M10: 4,776,062 km (0.112 R)
• M11: 5,237,122 km (0.113 R)
• M12: 5,692,947 km (0.102 R)
• M13: 6,175,251 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.5

Radius: 13.8

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1 AU - 1.02 AU

Year: 688 Days

Day: 8.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,362,344 km

• M1: 171,888 km (0.084 R)
• M2: 629,957 km (0.112 R)
• M3: 1,082,490 km (0.117 R)
• M4: 1,580,801 km (0.057 R)
• M5: 2,576,075 km (0.064 R)
• M6: 3,014,397 km (0.104 R)
• M7: 3,696,115 km (0.111 R)
• M8: 4,691,389 km (0.099 R)
• M9: 5,279,458 km (0.111 R)
• M10: 5,877,551 km (0.087 R)
• M11: 6,417,150 km (0.087 R)
• M12: 7,077,475 km (0.058 R)
• M13: 7,782,680 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.1

Radius: 8.4

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.65 AU - 1.89 AU

Year: 1597 Days

Day: 6.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,362,344 km

• M1: 104,419 km (0.119 R)
• M2: 460,462 km (0.067 R)
• M3: 725,101 km (0.076 R)
• M4: 1,147,864 km (0.066 R)
• M5: 1,572,274 km (0.069 R)
• M6: 2,204,923 km (0.087 R)
• M7: 3,042,222 km (0.091 R)
• M8: 3,567,012 km (0.117 R)
• M9: 5,198,227 km (0.037 R)
• M10: 5,463,314 km (0.099 R)
• M11: 6,952,860 km (0.111 R)
• M12: 7,275,094 km (0.032 R)
• M13: 8,361,923 km (0.047 R)
• M14: 9,293,469 km (0.115 R)
• M15: 10,711,806 km (0.11 R)
• M16: 11,142,199 km (0.099 R)
• M17: 11,734,158 km (0.109 R)
• M18: 12,700,560 km (0.061 R)
• M19: 13,677,434 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.6

Radius: 11

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.71 AU - 3.59 AU

Year: 3792 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,362,344 km

• M1: 137,032 km (0.053 R)
• M2: 678,576 km (0.109 R)
• M3: 1,141,731 km (0.112 R)
• M4: 1,934,300 km (0.064 R)
• M5: 2,387,432 km (0.107 R)
• M6: 4,084,022 km (0.071 R)
• M7: 4,930,297 km (0.095 R)
• M8: 5,295,166 km (0.101 R)
• M9: 8,345,168 km (0.113 R)
• M10: 9,007,587 km (0.099 R)
• M11: 9,855,957 km (0.101 R)
• M12: 11,711,569 km (0.044 R)
• M13: 13,364,924 km (0.081 R)
• M14: 14,915,805 km (0.059 R)
• M15: 20,101,017 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.4

Radius: 8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.88 AU - 4.54 AU

Year: 4847 Days

Day: 11.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,362,344 km

• M1: 125,513 km (0.095 R)
• M2: 374,443 km (0.044 R)
• M3: 904,918 km (0.093 R)
• M4: 1,378,544 km (0.066 R)
• M5: 1,734,139 km (0.067 R)
• M6: 2,008,800 km (0.113 R)
• M7: 2,312,484 km (0.078 R)
• M8: 2,817,975 km (0.098 R)
• M9: 3,579,129 km (0.049 R)
• M10: 3,887,749 km (0.064 R)
• M11: 4,151,491 km (0.08 R)
• M12: 4,692,586 km (0.105 R)
• M13: 5,110,562 km (0.108 R)
• M14: 5,914,950 km (0.116 R)
• M15: 7,521,781 km (0.12 R)
• M16: 7,772,956 km (0.063 R)
• M17: 9,043,939 km (0.104 R)
• M18: 9,508,889 km (0.073 R)
• M19: 10,959,989 km (0.033 R)
• M20: 12,685,151 km (0.086 R)
• M21: 12,996,764 km (0.087 R)
• M22: 13,962,568 km (0.073 R)
• M23: 14,583,848 km (0.06 R)
• M24: 15,223,528 km (0.1 R)
• M25: 17,418,278 km (0.101 R)
• M26: 18,993,544 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.4

Radius: 11.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.1 AU - 5.92 AU

Year: 8772 Days

Day: 14.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,362,344 km

• M1: 148,102 km (0.109 R)
• M2: 558,299 km (0.068 R)
• M3: 1,090,419 km (0.056 R)
• M4: 1,482,066 km (0.06 R)
• M5: 2,047,546 km (0.079 R)
• M6: 2,657,157 km (0.088 R)
• M7: 3,317,632 km (0.117 R)
• M8: 4,188,890 km (0.083 R)
• M9: 5,580,449 km (0.087 R)
• M10: 6,702,284 km (0.114 R)
• M11: 7,221,388 km (0.093 R)
• M12: 8,009,620 km (0.067 R)
• M13: 9,850,870 km (0.083 R)
• M14: 11,225,824 km (0.09 R)
• M15: 11,693,766 km (0.106 R)
• M16: 12,120,719 km (0.112 R)
• M17: 16,182,002 km (0.107 R)
• M18: 19,319,967 km (0.112 R)
• M19: 32,370,137 km (0.09 R)
• M20: 35,719,484 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.6

Radius: 5.5

Gravity: 23.79 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.31 AU - 8.81 AU

Year: 14099 Days

Day: 22.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,362,344 km

• M1: 69,413 km (0.075 R)
• M2: 603,328 km (0.075 R)
• M3: 893,398 km (0.112 R)
• M4: 1,576,462 km (0.077 R)
• M5: 1,926,970 km (0.114 R)
• M6: 2,328,192 km (0.098 R)
• M7: 3,347,552 km (0.105 R)
• M8: 4,044,079 km (0.102 R)
• M9: 6,341,304 km (0.117 R)
• M10: 7,949,780 km (0.111 R)
• M11: 8,722,902 km (0.061 R)
• M12: 9,230,937 km (0.087 R)
• M13: 9,704,713 km (0.099 R)
• M14: 9,974,887 km (0.079 R)
• M15: 10,417,547 km (0.029 R)
• M16: 11,824,365 km (0.089 R)
• M17: 12,383,113 km (0.089 R)
• M18: 12,894,439 km (0.109 R)
• M19: 13,553,118 km (0.05 R)
• M20: 13,958,977 km (0.032 R)
• M21: 14,866,139 km (0.106 R)
• M22: 16,337,583 km (0.112 R)
• M23: 19,395,813 km (0.11 R)
• M24: 19,824,560 km (0.077 R)
• M25: 20,790,364 km (0.051 R)
• M26: 22,157,090 km (0.081 R)
• M27: 25,679,970 km (0.097 R)
• M28: 26,405,670 km (0.113 R)
• M29: 32,111,632 km (0.109 R)
• M30: 36,469,867 km (0.077 R)
• M31: 38,050,368 km (0.089 R)
• M32: 41,772,513 km (0.032 R)
• M33: 43,794,777 km (0.08 R)
• M34: 45,579,330 km (0.086 R)
• M35: 49,770,613 km (0.104 R)
• M36: 56,441,182 km (0.09 R)
• M37: 56,789,596 km (0.058 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.5

Radius: 5.5

Gravity: 16.84 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.73 AU - 12.03 AU

Year: 21063 Days

Day: 24.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,362,344 km

• M1: 70,161 km (0.072 R)
• M2: 902,374 km (0.06 R)
• M3: 3,204,386 km (0.056 R)
• M4: 3,621,465 km (0.114 R)
• M5: 4,105,265 km (0.059 R)
• M6: 4,631,251 km (0.04 R)
• M7: 11,108,539 km (0.087 R)
• M8: 13,133,047 km (0.092 R)
• M9: 15,314,484 km (0.103 R)
• M10: 17,810,524 km (0.102 R)
• M11: 24,417,514 km (0.061 R)
• M12: 25,477,565 km (0.08 R)
• M13: 27,802,914 km (0.051 R)
• M14: 29,429,492 km (0.11 R)
• M15: 31,364,690 km (0.097 R)
• M16: 43,389,815 km (0.084 R)
• M17: 47,829,730 km (0.082 R)
• M18: 48,158,098 km (0.079 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 17,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit