🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.1

Radius: 14.4

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.57 AU - 0.75 AU

Year: 364 Days

Day: 12.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,615,849 km

• M1: 181,013 km (0.117 R)
• M2: 633,547 km (0.104 R)
• M3: 1,090,868 km (0.102 R)
• M4: 1,676,992 km (0.113 R)
• M5: 3,178,356 km (0.101 R)
• M6: 3,676,218 km (0.031 R)
• M7: 4,201,157 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.5

Radius: 12.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.29 AU - 1.35 AU

Year: 1029 Days

Day: 8.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,615,849 km

• M1: 160,369 km (0.074 R)
• M2: 619,186 km (0.047 R)
• M3: 1,356,553 km (0.074 R)
• M4: 1,761,365 km (0.117 R)
• M5: 2,259,077 km (0.105 R)
• M6: 2,726,870 km (0.092 R)
• M7: 3,647,645 km (0.109 R)
• M8: 4,180,812 km (0.026 R)
• M9: 5,078,549 km (0.03 R)
• M10: 5,725,111 km (0.116 R)
• M11: 6,207,863 km (0.051 R)
• M12: 7,671,229 km (0.115 R)
• M13: 8,128,999 km (0.09 R)
• M14: 9,583,688 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772

Radius: 8.9

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.11 AU - 1.55 AU

Year: 1040 Days

Day: 12.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,615,849 km

• M1: 110,702 km (0.025 R)
• M2: 402,717 km (0.084 R)
• M3: 902,674 km (0.046 R)
• M4: 1,201,869 km (0.086 R)
• M5: 1,783,356 km (0.095 R)
• M6: 2,286,304 km (0.066 R)
• M7: 2,676,306 km (0.08 R)
• M8: 3,322,868 km (0.027 R)
• M9: 3,652,432 km (0.087 R)
• M10: 4,120,075 km (0.102 R)
• M11: 4,430,191 km (0.12 R)
• M12: 4,792,966 km (0.097 R)
• M13: 5,077,950 km (0.117 R)
• M14: 5,578,355 km (0.099 R)
• M15: 6,089,381 km (0.066 R)
• M16: 6,447,070 km (0.113 R)
• M17: 7,180,249 km (0.12 R)
• M18: 7,656,419 km (0.09 R)
• M19: 8,342,026 km (0.115 R)
• M20: 9,241,259 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.2

Radius: 13.7

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.99 AU - 2.37 AU

Year: 2183 Days

Day: 11.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,615,849 km

• M1: 170,392 km (0.089 R)
• M2: 685,906 km (0.081 R)
• M3: 1,117,646 km (0.038 R)
• M4: 1,623,885 km (0.034 R)
• M5: 2,351,679 km (0.103 R)
• M6: 3,289,059 km (0.113 R)
• M7: 3,796,944 km (0.098 R)
• M8: 5,520,012 km (0.091 R)
• M9: 6,404,135 km (0.114 R)
• M10: 6,880,604 km (0.101 R)
• M11: 8,654,087 km (0.101 R)
• M12: 10,793,337 km (0.116 R)
• M13: 12,431,284 km (0.11 R)
• M14: 14,946,622 km (0.105 R)
• M15: 15,587,500 km (0.109 R)
• M16: 16,092,991 km (0.067 R)
• M17: 16,661,612 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.4

Radius: 13.2

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.17 AU - 3.19 AU

Year: 2976 Days

Day: 13.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,615,849 km

• M1: 164,408 km (0.081 R)
• M2: 651,050 km (0.051 R)
• M3: 1,296,714 km (0.081 R)
• M4: 1,866,682 km (0.109 R)
• M5: 2,526,110 km (0.118 R)
• M6: 3,373,432 km (0.107 R)
• M7: 3,874,136 km (0.112 R)
• M8: 4,788,927 km (0.041 R)
• M9: 5,501,162 km (0.072 R)
• M10: 6,396,506 km (0.05 R)
• M11: 7,577,282 km (0.102 R)
• M12: 8,970,337 km (0.101 R)
• M13: 18,584,992 km (0.068 R)
• M14: 20,280,535 km (0.056 R)
• M15: 21,488,537 km (0.091 R)

Asteroid Belt

Center: 3.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.1

Radius: 13.5

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.19 AU - 4.03 AU

Year: 4652 Days

Day: 9 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,615,849 km

• M1: 167,998 km (0.089 R)
• M2: 647,759 km (0.109 R)
• M3: 1,379,891 km (0.108 R)
• M4: 1,936,844 km (0.063 R)
• M5: 2,406,132 km (0.103 R)
• M6: 3,047,309 km (0.066 R)
• M7: 4,779,802 km (0.108 R)
• M8: 5,357,997 km (0.096 R)
• M9: 5,799,161 km (0.09 R)
• M10: 6,589,038 km (0.106 R)
• M11: 7,062,067 km (0.072 R)
• M12: 8,267,526 km (0.075 R)
• M13: 15,232,654 km (0.048 R)
• M14: 16,062,772 km (0.09 R)
• M15: 20,247,324 km (0.065 R)
• M16: 21,105,716 km (0.111 R)
• M17: 21,765,293 km (0.112 R)
• M18: 24,222,438 km (0.03 R)
• M19: 26,351,067 km (0.12 R)
• M20: 28,512,606 km (0.088 R)
• M21: 31,071,328 km (0.05 R)
• M22: 32,021,275 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.4

Radius: 14.4

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.51 AU - 5.33 AU

Year: 6303 Days

Day: 11.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,615,849 km

• M1: 179,667 km (0.088 R)
• M2: 652,696 km (0.079 R)
• M3: 1,210,247 km (0.052 R)
• M4: 2,029,594 km (0.099 R)
• M5: 2,913,269 km (0.093 R)
• M6: 3,705,539 km (0.117 R)
• M7: 4,450,088 km (0.095 R)
• M8: 4,943,462 km (0.068 R)
• M9: 5,534,672 km (0.08 R)
• M10: 8,265,432 km (0.081 R)
• M11: 9,188,002 km (0.081 R)
• M12: 10,365,487 km (0.095 R)
• M13: 12,692,482 km (0.065 R)
• M14: 13,748,643 km (0.093 R)
• M15: 14,802,560 km (0.115 R)
• M16: 19,635,618 km (0.034 R)
• M17: 23,660,250 km (0.12 R)
• M18: 28,112,282 km (0.07 R)
• M19: 30,291,624 km (0.065 R)
• M20: 34,241,008 km (0.095 R)
• M21: 36,724,482 km (0.106 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: 488 - 11,964 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit