🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.9

Radius: 14.9

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.62 AU - 0.64 AU

Year: 339 Days

Day: 9.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,371,775 km

• M1: 185,352 km (0.101 R)
• M2: 674,986 km (0.104 R)
• M3: 1,235,379 km (0.057 R)
• M4: 1,748,350 km (0.067 R)
• M5: 2,256,235 km (0.067 R)
• M6: 2,727,020 km (0.119 R)
• M7: 3,235,802 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.5

Radius: 10.7

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.97 AU - 1.49 AU

Year: 925 Days

Day: 6.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,371,775 km

• M1: 133,142 km (0.118 R)
• M2: 481,256 km (0.087 R)
• M3: 892,650 km (0.033 R)
• M4: 1,350,121 km (0.092 R)
• M5: 2,067,293 km (0.115 R)
• M6: 2,456,846 km (0.097 R)
• M7: 3,128,091 km (0.106 R)
• M8: 4,786,833 km (0.082 R)
• M9: 5,475,581 km (0.1 R)
• M10: 6,133,513 km (0.094 R)
• M11: 6,501,523 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947

Radius: 10.7

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.36 AU - 1.6 AU

Year: 1221 Days

Day: 8.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,371,775 km

• M1: 133,740 km (0.08 R)
• M2: 740,061 km (0.078 R)
• M3: 1,090,120 km (0.109 R)
• M4: 1,492,538 km (0.082 R)
• M5: 1,962,425 km (0.114 R)
• M6: 2,724,476 km (0.068 R)
• M7: 3,640,464 km (0.049 R)
• M8: 4,205,944 km (0.118 R)
• M9: 4,711,435 km (0.09 R)
• M10: 6,426,725 km (0.075 R)
• M11: 7,518,639 km (0.102 R)
• M12: 7,982,842 km (0.084 R)
• M13: 8,408,448 km (0.056 R)
• M14: 9,429,154 km (0.079 R)
• M15: 9,808,534 km (0.045 R)
• M16: 10,396,753 km (0.099 R)
• M17: 11,008,459 km (0.088 R)
• M18: 12,303,527 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302

Radius: 11.1

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.38 AU - 1.72 AU

Year: 1309 Days

Day: 14.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,371,775 km

• M1: 138,228 km (0.08 R)
• M2: 535,411 km (0.115 R)
• M3: 895,493 km (0.043 R)
• M4: 1,533,229 km (0.1 R)
• M5: 2,041,113 km (0.079 R)
• M6: 2,521,921 km (0.098 R)
• M7: 3,302,822 km (0.072 R)
• M8: 3,683,848 km (0.11 R)
• M9: 4,319,190 km (0.075 R)
• M10: 5,008,088 km (0.092 R)
• M11: 5,788,690 km (0.099 R)
• M12: 6,177,046 km (0.083 R)
• M13: 7,259,985 km (0.101 R)
• M14: 7,736,753 km (0.039 R)
• M15: 8,082,773 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.3

Radius: 6.8

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.66 AU - 8.12 AU

Year: 15032 Days

Day: 22.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,371,775 km

• M1: 88,113 km (0.062 R)
• M2: 1,207,404 km (0.103 R)
• M3: 1,438,982 km (0.11 R)
• M4: 2,320,263 km (0.092 R)
• M5: 2,661,197 km (0.087 R)
• M6: 2,899,207 km (0.079 R)
• M7: 3,127,942 km (0.112 R)
• M8: 3,468,427 km (0.094 R)
• M9: 4,025,529 km (0.112 R)
• M10: 4,369,604 km (0.06 R)
• M11: 4,795,809 km (0.067 R)
• M12: 5,521,209 km (0.083 R)
• M13: 6,862,354 km (0.109 R)
• M14: 8,827,920 km (0.111 R)
• M15: 10,920,345 km (0.099 R)
• M16: 11,252,004 km (0.102 R)
• M17: 11,533,547 km (0.047 R)
• M18: 25,964,356 km (0.101 R)
• M19: 26,654,900 km (0.075 R)
• M20: 35,558,217 km (0.114 R)
• M21: 41,136,422 km (0.063 R)
• M22: 49,795,446 km (0.1 R)
• M23: 51,167,708 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.2

Radius: 4.7

Gravity: 32.33 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.59 AU - 11.45 AU

Year: 19923 Days

Day: 20.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,371,775 km

• M1: 58,792 km (0.098 R)
• M2: 561,291 km (0.116 R)
• M3: 780,751 km (0.087 R)
• M4: 957,875 km (0.08 R)
• M5: 1,148,313 km (0.119 R)
• M6: 2,554,683 km (0.039 R)
• M7: 3,646,149 km (0.108 R)
• M8: 4,244,690 km (0.059 R)
• M9: 4,619,881 km (0.113 R)
• M10: 5,204,660 km (0.096 R)
• M11: 5,554,569 km (0.115 R)
• M12: 11,899,912 km (0.097 R)
• M13: 12,852,252 km (0.045 R)
• M14: 13,346,972 km (0.106 R)
• M15: 14,601,201 km (0.097 R)
• M16: 14,984,620 km (0.098 R)
• M17: 15,217,843 km (0.114 R)
• M18: 16,012,657 km (0.117 R)
• M19: 22,672,305 km (0.093 R)
• M20: 28,284,469 km (0.064 R)
• M21: 29,241,297 km (0.106 R)
• M22: 34,081,686 km (0.1 R)
• M23: 34,755,924 km (0.119 R)
• M24: 51,045,636 km (0.042 R)
• M25: 57,815,239 km (0.116 R)
• M26: 60,132,958 km (0.111 R)
• M27: 63,116,239 km (0.078 R)
• M28: 68,305,041 km (0.033 R)
• M29: 71,112,395 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970

Radius: 4.5

Gravity: 47.9 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.72 AU - 10.8 AU

Year: 20681 Days

Day: 20.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 87,371,775 km

• M1: 55,950 km (0.095 R)
• M2: 305,928 km (0.079 R)
• M3: 462,706 km (0.087 R)
• M4: 1,160,431 km (0.114 R)
• M5: 1,793,828 km (0.076 R)
• M6: 2,366,638 km (0.096 R)
• M7: 2,811,243 km (0.041 R)
• M8: 3,962,399 km (0.056 R)
• M9: 4,660,572 km (0.106 R)
• M10: 5,770,887 km (0.057 R)
• M11: 6,029,991 km (0.106 R)
• M12: 9,121,281 km (0.096 R)
• M13: 9,652,204 km (0.09 R)
• M14: 11,101,957 km (0.086 R)
• M15: 12,404,207 km (0.119 R)
• M16: 18,541,459 km (0.085 R)
• M17: 20,966,590 km (0.11 R)
• M18: 29,241,746 km (0.093 R)
• M19: 31,307,244 km (0.083 R)
• M20: 35,295,224 km (0.059 R)
• M21: 41,971,777 km (0.028 R)
• M22: 44,094,421 km (0.108 R)
• M23: 46,976,723 km (0.078 R)
• M24: 53,678,858 km (0.085 R)
• M25: 55,014,467 km (0.093 R)
• M26: 64,347,879 km (0.077 R)
• M27: 70,515,799 km (0.1 R)
• M28: 70,970,875 km (0.081 R)
• M29: 74,446,483 km (0.081 R)
• M30: 84,010,574 km (0.084 R)
• M31: 85,292,927 km (0.038 R)
• M32: 86,588,295 km (0.05 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: 499 - 10,596 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit