🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.1

Radius: 9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.46 AU - 0.7 AU

Year: 305 Days

Day: 13.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,275,864 km

• M1: 112,049 km (0.07 R)
• M2: 473,178 km (0.113 R)
• M3: 789,727 km (0.096 R)
• M4: 1,098,946 km (0.092 R)
• M5: 1,680,134 km (0.088 R)
• M6: 2,175,452 km (0.11 R)
• M7: 2,833,982 km (0.088 R)
• M8: 3,262,580 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.9

Radius: 10.6

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.91 AU - 0.93 AU

Year: 609 Days

Day: 9.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,275,864 km

• M1: 131,945 km (0.11 R)
• M2: 521,349 km (0.086 R)
• M3: 921,523 km (0.038 R)
• M4: 1,372,710 km (0.056 R)
• M5: 1,779,467 km (0.105 R)
• M6: 2,173,358 km (0.085 R)
• M7: 2,542,565 km (0.109 R)
• M8: 3,641,063 km (0.104 R)
• M9: 4,416,728 km (0.057 R)
• M10: 4,868,364 km (0.111 R)
• M11: 5,231,288 km (0.093 R)
• M12: 5,594,512 km (0.078 R)
• M13: 6,237,633 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.2

Radius: 9.6

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.98 AU - 1.08 AU

Year: 722 Days

Day: 14.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,275,864 km

• M1: 119,529 km (0.107 R)
• M2: 520,900 km (0.115 R)
• M3: 854,353 km (0.061 R)
• M4: 1,372,860 km (0.101 R)
• M5: 1,735,036 km (0.08 R)
• M6: 2,505,764 km (0.111 R)
• M7: 3,225,031 km (0.083 R)
• M8: 4,034,804 km (0.043 R)
• M9: 4,666,257 km (0.048 R)
• M10: 5,263,451 km (0.103 R)
• M11: 5,875,307 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290

Radius: 8.2

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.09 AU - 1.51 AU

Year: 1023 Days

Day: 8.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,275,864 km

• M1: 104,719 km (0.075 R)
• M2: 446,699 km (0.073 R)
• M3: 848,519 km (0.115 R)
• M4: 1,346,231 km (0.099 R)
• M5: 1,763,908 km (0.111 R)
• M6: 2,439,343 km (0.066 R)
• M7: 2,778,930 km (0.117 R)
• M8: 3,803,975 km (0.102 R)
• M9: 4,080,880 km (0.04 R)
• M10: 4,675,233 km (0.068 R)
• M11: 5,044,889 km (0.056 R)
• M12: 5,308,181 km (0.089 R)
• M13: 6,956,002 km (0.078 R)
• M14: 7,260,583 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.4

Radius: 14.6

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.28 AU - 1.82 AU

Year: 1332 Days

Day: 6.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,275,864 km

• M1: 182,210 km (0.062 R)
• M2: 764,894 km (0.098 R)
• M3: 1,473,090 km (0.108 R)
• M4: 1,973,794 km (0.094 R)
• M5: 3,809,360 km (0.091 R)
• M6: 4,315,151 km (0.119 R)
• M7: 6,263,364 km (0.066 R)
• M8: 7,019,880 km (0.053 R)
• M9: 7,759,791 km (0.106 R)
• M10: 8,255,110 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.6

Radius: 10.2

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.9 AU - 4.04 AU

Year: 4462 Days

Day: 5.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,275,864 km

• M1: 127,009 km (0.119 R)
• M2: 473,178 km (0.095 R)
• M3: 823,387 km (0.118 R)
• M4: 1,270,086 km (0.081 R)
• M5: 2,284,659 km (0.034 R)
• M6: 3,010,208 km (0.117 R)
• M7: 3,344,859 km (0.102 R)
• M8: 5,022,300 km (0.053 R)
• M9: 5,699,230 km (0.057 R)
• M10: 6,728,015 km (0.037 R)
• M11: 7,986,731 km (0.08 R)
• M12: 9,562,296 km (0.086 R)
• M13: 9,943,621 km (0.067 R)
• M14: 10,691,760 km (0.074 R)
• M15: 11,619,267 km (0.057 R)
• M16: 11,956,311 km (0.119 R)
• M17: 12,499,201 km (0.085 R)
• M18: 13,528,285 km (0.097 R)
• M19: 14,336,413 km (0.047 R)
• M20: 14,836,668 km (0.092 R)
• M21: 15,348,442 km (0.114 R)
• M22: 16,347,158 km (0.068 R)
• M23: 18,021,756 km (0.084 R)
• M24: 21,347,915 km (0.113 R)
• M25: 22,294,720 km (0.104 R)
• M26: 23,728,616 km (0.104 R)
• M27: 26,529,238 km (0.087 R)
• M28: 27,623,247 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.1

Radius: 9.5

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.51 AU - 3.69 AU

Year: 4715 Days

Day: 8.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,275,864 km

• M1: 118,182 km (0.117 R)
• M2: 471,233 km (0.048 R)
• M3: 1,006,345 km (0.067 R)
• M4: 1,304,643 km (0.106 R)
• M5: 1,846,187 km (0.037 R)
• M6: 2,223,473 km (0.109 R)
• M7: 3,234,904 km (0.08 R)
• M8: 3,832,548 km (0.074 R)
• M9: 4,134,287 km (0.096 R)
• M10: 4,707,247 km (0.064 R)
• M11: 5,136,293 km (0.056 R)
• M12: 5,475,132 km (0.119 R)
• M13: 6,356,114 km (0.108 R)
• M14: 7,434,865 km (0.085 R)
• M15: 10,081,999 km (0.112 R)
• M16: 11,354,478 km (0.085 R)
• M17: 12,884,715 km (0.092 R)
• M18: 13,672,497 km (0.104 R)
• M19: 14,325,642 km (0.088 R)
• M20: 14,716,092 km (0.034 R)
• M21: 15,812,046 km (0.084 R)
• M22: 17,715,380 km (0.041 R)
• M23: 18,295,520 km (0.049 R)
• M24: 22,342,143 km (0.056 R)
• M25: 26,696,338 km (0.085 R)
• M26: 30,562,995 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.4

Radius: 14.7

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.4 AU - 5.34 AU

Year: 7418 Days

Day: 8.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,275,864 km

• M1: 182,958 km (0.083 R)
• M2: 695,032 km (0.05 R)
• M3: 1,159,383 km (0.096 R)
• M4: 2,152,265 km (0.108 R)
• M5: 2,640,402 km (0.039 R)
• M6: 3,136,768 km (0.072 R)
• M7: 3,714,216 km (0.103 R)
• M8: 6,633,618 km (0.07 R)
• M9: 7,900,712 km (0.1 R)
• M10: 11,029,103 km (0.09 R)
• M11: 12,459,857 km (0.091 R)
• M12: 15,938,307 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.7

Radius: 3.6

Gravity: 24.59 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.15 AU - 7.15 AU

Year: 13197 Days

Day: 22.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,275,864 km

• M1: 44,879 km (0.107 R)
• M2: 231,129 km (0.043 R)
• M3: 412,741 km (0.037 R)
• M4: 933,192 km (0.081 R)
• M5: 1,089,072 km (0.076 R)
• M6: 1,262,157 km (0.043 R)
• M7: 2,775,190 km (0.072 R)
• M8: 2,944,984 km (0.097 R)
• M9: 3,375,826 km (0.115 R)
• M10: 3,847,508 km (0.07 R)
• M11: 4,333,551 km (0.069 R)
• M12: 6,178,093 km (0.115 R)
• M13: 6,394,411 km (0.073 R)
• M14: 7,926,593 km (0.101 R)
• M15: 9,687,360 km (0.096 R)
• M16: 11,313,937 km (0.082 R)
• M17: 18,953,452 km (0.078 R)
• M18: 25,478,313 km (0.066 R)
• M19: 26,693,646 km (0.115 R)
• M20: 28,241,834 km (0.083 R)
• M21: 30,883,732 km (0.117 R)
• M22: 33,024,478 km (0.049 R)
• M23: 35,837,068 km (0.07 R)
• M24: 36,301,419 km (0.045 R)
• M25: 38,440,519 km (0.038 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.5

Radius: 4.8

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.23 AU - 8.29 AU

Year: 13503 Days

Day: 15.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 43,275,864 km

• M1: 59,690 km (0.084 R)
• M2: 217,515 km (0.117 R)
• M3: 919,877 km (0.041 R)
• M4: 1,102,836 km (0.09 R)
• M5: 1,273,826 km (0.096 R)
• M6: 1,516,025 km (0.086 R)
• M7: 2,564,556 km (0.12 R)
• M8: 2,888,286 km (0.047 R)
• M9: 3,215,905 km (0.081 R)
• M10: 3,666,195 km (0.104 R)
• M11: 4,489,432 km (0.068 R)
• M12: 4,779,502 km (0.108 R)
• M13: 5,206,604 km (0.069 R)
• M14: 5,429,356 km (0.059 R)
• M15: 6,677,451 km (0.079 R)
• M16: 7,689,929 km (0.068 R)
• M17: 7,979,102 km (0.101 R)
• M18: 9,582,342 km (0.116 R)
• M19: 10,309,537 km (0.114 R)
• M20: 14,256,527 km (0.104 R)
• M21: 15,724,083 km (0.1 R)
• M22: 17,929,305 km (0.12 R)
• M23: 21,366,914 km (0.119 R)
• M24: 22,020,807 km (0.038 R)
• M25: 27,451,808 km (0.098 R)
• M26: 28,029,854 km (0.113 R)
• M27: 29,011,216 km (0.101 R)
• M28: 31,354,667 km (0.045 R)
• M29: 32,198,548 km (0.064 R)
• M30: 33,057,539 km (0.113 R)
• M31: 40,609,988 km (0.08 R)
• M32: 42,502,700 km (0.106 R)
• M33: 42,888,064 km (0.044 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 16,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit