🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.9

Radius: 14.9

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.63 AU - 0.71 AU

Year: 379 Days

Day: 14.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,003,301 km

• M1: 187,596 km (0.12 R)
• M2: 720,912 km (0.097 R)
• M3: 1,230,143 km (0.114 R)
• M4: 1,785,899 km (0.041 R)
• M5: 2,556,927 km (0.102 R)
• M6: 3,047,907 km (0.099 R)
• M7: 4,414,783 km (0.079 R)
• M8: 5,098,295 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.5

Radius: 14.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.57 AU - 0.83 AU

Year: 404 Days

Day: 11.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,003,301 km

• M1: 180,265 km (0.049 R)
• M2: 637,586 km (0.031 R)
• M3: 1,165,816 km (0.095 R)
• M4: 2,028,398 km (0.047 R)
• M5: 2,723,429 km (0.117 R)
• M6: 3,218,449 km (0.078 R)
• M7: 3,672,927 km (0.118 R)
• M8: 4,450,387 km (0.06 R)
• M9: 5,127,467 km (0.101 R)
• M10: 5,942,027 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.8

Radius: 9.3

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.65 AU - 0.89 AU

Year: 466 Days

Day: 8.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,003,301 km

• M1: 116,088 km (0.102 R)
• M2: 501,901 km (0.109 R)
• M3: 835,055 km (0.112 R)
• M4: 1,249,741 km (0.087 R)
• M5: 1,634,955 km (0.089 R)
• M6: 1,940,584 km (0.055 R)
• M7: 2,362,450 km (0.045 R)
• M8: 3,097,723 km (0.085 R)
• M9: 3,506,125 km (0.08 R)
• M10: 3,798,140 km (0.086 R)
• M11: 4,741,804 km (0.1 R)
• M12: 5,389,114 km (0.061 R)
• M13: 5,743,361 km (0.065 R)
• M14: 6,188,864 km (0.067 R)
• M15: 6,617,462 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299

Radius: 14.7

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.99 AU - 1.27 AU

Year: 829 Days

Day: 8.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,003,301 km

• M1: 183,407 km (0.117 R)
• M2: 674,387 km (0.089 R)
• M3: 1,409,810 km (0.032 R)
• M4: 2,100,354 km (0.037 R)
• M5: 3,184,490 km (0.115 R)
• M6: 3,934,873 km (0.117 R)
• M7: 4,449,190 km (0.114 R)
• M8: 5,667,067 km (0.071 R)
• M9: 6,773,343 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.9

Radius: 9.2

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.12 AU - 2.66 AU

Year: 2550 Days

Day: 13.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,003,301 km

• M1: 114,442 km (0.032 R)
• M2: 423,512 km (0.047 R)
• M3: 754,272 km (0.115 R)
• M4: 1,064,987 km (0.12 R)
• M5: 1,391,260 km (0.081 R)
• M6: 1,720,376 km (0.083 R)
• M7: 2,008,800 km (0.078 R)
• M8: 2,318,617 km (0.08 R)
• M9: 2,889,632 km (0.114 R)
• M10: 4,040,938 km (0.104 R)
• M11: 5,039,204 km (0.088 R)
• M12: 5,741,716 km (0.089 R)
• M13: 6,083,996 km (0.111 R)
• M14: 7,316,383 km (0.053 R)
• M15: 8,875,642 km (0.075 R)
• M16: 10,869,482 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.1

Radius: 9.4

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.16 AU - 2.96 AU

Year: 2827 Days

Day: 13.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,003,301 km

• M1: 121,174 km (0.064 R)
• M2: 421,118 km (0.054 R)
• M3: 807,829 km (0.073 R)
• M4: 1,457,682 km (0.114 R)
• M5: 2,277,628 km (0.072 R)
• M6: 2,929,874 km (0.086 R)
• M7: 3,473,064 km (0.075 R)
• M8: 4,393,241 km (0.115 R)
• M9: 6,634,366 km (0.092 R)
• M10: 8,653,938 km (0.075 R)
• M11: 9,836,359 km (0.103 R)
• M12: 11,123,200 km (0.101 R)
• M13: 12,366,658 km (0.046 R)
• M14: 13,140,079 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.6

Radius: 8.4

Gravity: 11.77 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.09 AU - 3.21 AU

Year: 2978 Days

Day: 6.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 174.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,003,301 km

• M1: 104,719 km (0.112 R)
• M2: 988,393 km (0.109 R)
• M3: 1,339,649 km (0.102 R)
• M4: 1,702,723 km (0.038 R)
• M5: 2,370,977 km (0.066 R)
• M6: 3,312,994 km (0.098 R)
• M7: 4,196,519 km (0.098 R)
• M8: 4,577,096 km (0.115 R)
• M9: 5,968,656 km (0.08 R)
• M10: 7,493,058 km (0.094 R)
• M11: 7,886,351 km (0.049 R)
• M12: 9,113,053 km (0.104 R)
• M13: 9,907,418 km (0.042 R)
• M14: 12,431,583 km (0.051 R)
• M15: 14,136,251 km (0.089 R)
• M16: 14,737,485 km (0.116 R)
• M17: 16,260,989 km (0.069 R)
• M18: 16,809,864 km (0.116 R)
• M19: 17,201,362 km (0.067 R)
• M20: 17,598,843 km (0.091 R)
• M21: 18,590,079 km (0.032 R)
• M22: 20,555,944 km (0.073 R)
• M23: 22,588,680 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.5

Radius: 8.3

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.63 AU - 5.01 AU

Year: 7304 Days

Day: 12.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,003,301 km

• M1: 103,223 km (0.08 R)
• M2: 531,222 km (0.105 R)
• M3: 902,524 km (0.091 R)
• M4: 1,376,151 km (0.086 R)
• M5: 1,800,111 km (0.104 R)
• M6: 2,215,395 km (0.066 R)
• M7: 3,081,567 km (0.063 R)
• M8: 3,744,285 km (0.078 R)
• M9: 5,521,807 km (0.114 R)
• M10: 5,996,182 km (0.097 R)
• M11: 6,497,484 km (0.069 R)
• M12: 6,891,525 km (0.1 R)
• M13: 9,106,022 km (0.098 R)
• M14: 9,433,343 km (0.039 R)
• M15: 10,374,313 km (0.043 R)
• M16: 12,743,345 km (0.107 R)
• M17: 13,101,632 km (0.111 R)
• M18: 13,999,518 km (0.117 R)
• M19: 15,164,736 km (0.102 R)
• M20: 15,741,735 km (0.077 R)
• M21: 16,333,245 km (0.096 R)
• M22: 17,062,535 km (0.084 R)
• M23: 18,980,828 km (0.088 R)
• M24: 21,038,397 km (0.102 R)
• M25: 21,467,145 km (0.089 R)
• M26: 22,415,895 km (0.101 R)
• M27: 22,863,192 km (0.105 R)
• M28: 24,949,783 km (0.091 R)
• M29: 25,753,872 km (0.069 R)
• M30: 26,326,832 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.5

Radius: 3.8

Gravity: 65.62 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.71 AU - 9.05 AU

Year: 16745 Days

Day: 20.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,003,301 km

• M1: 47,273 km (0.035 R)
• M2: 291,267 km (0.068 R)
• M3: 430,243 km (0.064 R)
• M4: 816,356 km (0.118 R)
• M5: 1,153,998 km (0.12 R)
• M6: 1,432,100 km (0.048 R)
• M7: 2,140,895 km (0.1 R)
• M8: 4,016,104 km (0.111 R)
• M9: 5,824,743 km (0.108 R)
• M10: 7,420,802 km (0.096 R)
• M11: 8,475,168 km (0.088 R)
• M12: 11,964,239 km (0.036 R)
• M13: 16,222,692 km (0.063 R)
• M14: 21,293,761 km (0.116 R)
• M15: 22,180,278 km (0.107 R)
• M16: 23,193,803 km (0.045 R)
• M17: 27,557,424 km (0.057 R)
• M18: 30,053,315 km (0.063 R)
• M19: 30,793,076 km (0.108 R)
• M20: 33,874,044 km (0.1 R)
• M21: 34,540,802 km (0.061 R)
• M22: 34,809,929 km (0.118 R)
• M23: 42,616,095 km (0.103 R)
• M24: 47,418,785 km (0.102 R)
• M25: 47,751,192 km (0.12 R)
• M26: 49,778,542 km (0.105 R)
• M27: 50,466,842 km (0.109 R)
• M28: 55,096,297 km (0.051 R)
• M29: 57,137,261 km (0.085 R)
• M30: 66,011,856 km (0.041 R)
• M31: 71,535,757 km (0.071 R)
• M32: 73,073,773 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.4

Radius: 5.8

Gravity: 18.92 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.77 AU - 10.29 AU

Year: 20307 Days

Day: 23.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,003,301 km

• M1: 72,106 km (0.092 R)
• M2: 330,163 km (0.075 R)
• M3: 848,370 km (0.044 R)
• M4: 1,242,859 km (0.119 R)
• M5: 1,498,372 km (0.114 R)
• M6: 1,788,592 km (0.092 R)
• M7: 2,391,920 km (0.103 R)
• M8: 2,889,184 km (0.106 R)
• M9: 3,122,407 km (0.114 R)
• M10: 3,481,442 km (0.089 R)
• M11: 4,690,192 km (0.041 R)
• M12: 4,903,818 km (0.104 R)
• M13: 5,505,501 km (0.114 R)
• M14: 5,988,253 km (0.066 R)
• M15: 6,411,615 km (0.117 R)
• M16: 7,851,644 km (0.051 R)
• M17: 8,515,260 km (0.058 R)
• M18: 8,833,904 km (0.063 R)
• M19: 9,382,479 km (0.036 R)
• M20: 11,936,713 km (0.091 R)
• M21: 14,243,064 km (0.052 R)
• M22: 15,618,466 km (0.104 R)
• M23: 18,630,620 km (0.098 R)
• M24: 23,322,458 km (0.107 R)
• M25: 28,863,712 km (0.076 R)
• M26: 31,180,684 km (0.038 R)
• M27: 38,293,165 km (0.103 R)
• M28: 40,486,420 km (0.1 R)
• M29: 41,994,366 km (0.078 R)
• M30: 51,484,556 km (0.055 R)
• M31: 53,432,320 km (0.067 R)
• M32: 55,061,890 km (0.099 R)
• M33: 62,507,675 km (0.044 R)
• M34: 63,709,544 km (0.088 R)
• M35: 66,781,686 km (0.052 R)
• M36: 71,900,028 km (0.115 R)
• M37: 73,884,892 km (0.162 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 15,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit