🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.7

Radius: 9.3

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.39 AU - 0.65 AU

Year: 264 Days

Day: 7.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,468,460 km

• M1: 117,434 km (0.098 R)
• M2: 432,787 km (0.118 R)
• M3: 728,093 km (0.104 R)
• M4: 1,078,152 km (0.11 R)
• M5: 1,433,596 km (0.102 R)
• M6: 1,912,010 km (0.085 R)
• M7: 2,210,907 km (0.093 R)
• M8: 2,556,927 km (0.105 R)
• M9: 3,036,089 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.3

Radius: 14.6

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.51 AU - 0.85 AU

Year: 394 Days

Day: 13.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 55,468,460 km

• M1: 187,147 km (0.099 R)
• M2: 642,074 km (0.12 R)
• M3: 1,332,767 km (0.06 R)
• M4: 2,509,355 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.4

Radius: 8.8

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.69 AU - 1.01 AU

Year: 551 Days

Day: 6.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,468,460 km

• M1: 109,506 km (0.092 R)
• M2: 513,719 km (0.1 R)
• M3: 893,249 km (0.114 R)
• M4: 1,410,858 km (0.108 R)
• M5: 1,931,608 km (0.076 R)
• M6: 2,352,726 km (0.094 R)
• M7: 2,802,118 km (0.109 R)
• M8: 3,391,833 km (0.084 R)
• M9: 4,200,409 km (0.084 R)
• M10: 5,115,948 km (0.088 R)
• M11: 5,410,057 km (0.061 R)
• M12: 6,014,433 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.2

Radius: 9.9

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.57 AU - 1.75 AU

Year: 1503 Days

Day: 12.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,468,460 km

• M1: 124,017 km (0.112 R)
• M2: 533,915 km (0.041 R)
• M3: 1,232,986 km (0.066 R)
• M4: 2,051,735 km (0.118 R)
• M5: 2,903,246 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.3

Radius: 10.1

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.26 AU - 3.1 AU

Year: 3084 Days

Day: 7.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,468,460 km

• M1: 125,662 km (0.119 R)
• M2: 563,984 km (0.118 R)
• M3: 905,516 km (0.081 R)
• M4: 1,510,191 km (0.098 R)
• M5: 2,366,638 km (0.031 R)
• M6: 3,316,435 km (0.077 R)
• M7: 4,305,277 km (0.098 R)
• M8: 5,254,176 km (0.098 R)
• M9: 5,764,904 km (0.106 R)
• M10: 6,224,917 km (0.059 R)
• M11: 7,785,672 km (0.087 R)
• M12: 9,444,114 km (0.056 R)
• M13: 9,893,057 km (0.094 R)
• M14: 10,278,122 km (0.057 R)
• M15: 11,326,204 km (0.053 R)
• M16: 11,662,650 km (0.033 R)
• M17: 12,223,492 km (0.097 R)
• M18: 13,121,528 km (0.114 R)
• M19: 14,014,777 km (0.09 R)
• M20: 14,402,834 km (0.108 R)
• M21: 15,558,627 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.9

Radius: 8.2

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.16 AU - 4.82 AU

Year: 5602 Days

Day: 9.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,468,460 km

• M1: 102,026 km (0.089 R)
• M2: 373,546 km (0.051 R)
• M3: 665,860 km (0.107 R)
• M4: 2,102,149 km (0.096 R)
• M5: 3,514,802 km (0.07 R)
• M6: 4,281,790 km (0.102 R)
• M7: 5,501,761 km (0.092 R)
• M8: 6,700,040 km (0.111 R)
• M9: 7,007,613 km (0.075 R)
• M10: 7,541,378 km (0.03 R)
• M11: 8,649,898 km (0.094 R)
• M12: 9,097,495 km (0.11 R)
• M13: 9,646,370 km (0.042 R)
• M14: 10,533,635 km (0.095 R)
• M15: 12,014,953 km (0.086 R)
• M16: 12,779,548 km (0.115 R)
• M17: 15,150,973 km (0.113 R)
• M18: 15,982,438 km (0.086 R)
• M19: 19,893,076 km (0.028 R)
• M20: 20,174,470 km (0.071 R)
• M21: 24,964,593 km (0.069 R)
• M22: 25,374,342 km (0.1 R)
• M23: 26,545,843 km (0.083 R)
• M24: 27,928,277 km (0.085 R)
• M25: 31,976,395 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.5

Radius: 13.5

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.75 AU - 4.23 AU

Year: 5602 Days

Day: 6.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,468,460 km

• M1: 167,849 km (0.096 R)
• M2: 804,837 km (0.095 R)
• M3: 1,326,933 km (0.072 R)
• M4: 1,836,763 km (0.081 R)
• M5: 2,743,326 km (0.092 R)
• M6: 4,596,095 km (0.105 R)
• M7: 5,336,605 km (0.109 R)
• M8: 8,043,429 km (0.116 R)
• M9: 9,015,665 km (0.04 R)
• M10: 10,177,742 km (0.105 R)
• M11: 10,677,548 km (0.051 R)
• M12: 12,579,087 km (0.102 R)
• M13: 14,941,087 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.1

Radius: 10.1

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.25 AU - 4.75 AU

Year: 6710 Days

Day: 6.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,468,460 km

• M1: 125,662 km (0.097 R)
• M2: 1,346,381 km (0.091 R)
• M3: 1,840,652 km (0.113 R)
• M4: 2,453,106 km (0.104 R)
• M5: 2,906,537 km (0.109 R)
• M6: 3,597,679 km (0.096 R)
• M7: 4,341,779 km (0.078 R)
• M8: 6,067,690 km (0.027 R)
• M9: 9,228,842 km (0.103 R)
• M10: 10,425,476 km (0.096 R)
• M11: 11,044,661 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.7

Radius: 7.3

Gravity: 12.38 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.11 AU - 7.65 AU

Year: 12685 Days

Day: 20.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,468,460 km

• M1: 90,806 km (0.071 R)
• M2: 358,137 km (0.085 R)
• M3: 773,421 km (0.105 R)
• M4: 1,469,500 km (0.07 R)
• M5: 2,027,051 km (0.094 R)
• M6: 3,608,450 km (0.118 R)
• M7: 4,840,239 km (0.03 R)
• M8: 5,587,181 km (0.115 R)
• M9: 6,101,050 km (0.084 R)
• M10: 6,685,978 km (0.025 R)
• M11: 6,930,271 km (0.076 R)
• M12: 7,967,583 km (0.08 R)
• M13: 9,154,343 km (0.113 R)
• M14: 10,238,777 km (0.092 R)
• M15: 10,951,611 km (0.112 R)
• M16: 11,348,943 km (0.099 R)
• M17: 12,112,341 km (0.062 R)
• M18: 13,675,789 km (0.067 R)
• M19: 14,812,882 km (0.102 R)
• M20: 15,652,575 km (0.117 R)
• M21: 17,580,293 km (0.104 R)
• M22: 20,163,399 km (0.119 R)
• M23: 24,592,693 km (0.103 R)
• M24: 25,078,138 km (0.034 R)
• M25: 25,570,016 km (0.086 R)
• M26: 27,497,884 km (0.101 R)
• M27: 28,231,961 km (0.119 R)
• M28: 29,411,839 km (0.072 R)
• M29: 33,740,753 km (0.025 R)
• M30: 34,703,265 km (0.116 R)
• M31: 35,560,461 km (0.045 R)
• M32: 37,700,608 km (0.075 R)
• M33: 42,792,172 km (0.04 R)
• M34: 43,494,534 km (0.117 R)
• M35: 46,233,521 km (0.076 R)
• M36: 47,720,374 km (0.115 R)
• M37: 52,052,430 km (0.11 R)
• M38: 52,852,629 km (0.107 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: 323 - 13,427 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit