🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.8

Radius: 13.1

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.97 AU - 1.01 AU

Year: 668 Days

Day: 12 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,522,666 km

• M1: 162,912 km (0.103 R)
• M2: 600,037 km (0.068 R)
• M3: 1,034,768 km (0.11 R)
• M4: 1,938,788 km (0.071 R)
• M5: 2,914,167 km (0.114 R)
• M6: 3,673,825 km (0.055 R)
• M7: 4,463,851 km (0.066 R)
• M8: 5,110,562 km (0.026 R)
• M9: 5,858,103 km (0.08 R)
• M10: 6,486,564 km (0.037 R)
• M11: 7,159,604 km (0.106 R)
• M12: 7,807,214 km (0.097 R)
• M13: 8,671,441 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950

Radius: 12.8

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.95 AU - 1.05 AU

Year: 678 Days

Day: 12.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,522,666 km

• M1: 159,172 km (0.091 R)
• M2: 587,172 km (0.114 R)
• M3: 1,065,586 km (0.062 R)
• M4: 1,692,401 km (0.036 R)
• M5: 2,229,906 km (0.09 R)
• M6: 2,669,275 km (0.096 R)
• M7: 3,337,229 km (0.063 R)
• M8: 3,754,907 km (0.089 R)
• M9: 4,286,577 km (0.068 R)
• M10: 5,169,504 km (0.084 R)
• M11: 6,048,392 km (0.093 R)
• M12: 6,891,525 km (0.056 R)
• M13: 7,621,264 km (0.078 R)
• M14: 8,226,686 km (0.085 R)
• M15: 8,682,212 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.3

Radius: 9.1

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.44 AU - 2.28 AU

Year: 1721 Days

Day: 13.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,522,666 km

• M1: 113,096 km (0.101 R)
• M2: 443,558 km (0.115 R)
• M3: 770,130 km (0.083 R)
• M4: 1,084,136 km (0.076 R)
• M5: 1,370,167 km (0.108 R)
• M6: 1,735,634 km (0.052 R)
• M7: 2,491,253 km (0.068 R)
• M8: 2,795,984 km (0.086 R)
• M9: 3,315,388 km (0.06 R)
• M10: 3,717,806 km (0.118 R)
• M11: 5,204,809 km (0.057 R)
• M12: 5,685,168 km (0.082 R)
• M13: 6,104,042 km (0.116 R)
• M14: 7,615,728 km (0.084 R)
• M15: 8,207,837 km (0.112 R)
• M16: 8,600,232 km (0.061 R)
• M17: 9,362,583 km (0.066 R)
• M18: 10,137,201 km (0.111 R)
• M19: 11,190,370 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.6

Radius: 13.5

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.33 AU - 2.79 AU

Year: 2778 Days

Day: 9.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,522,666 km

• M1: 176,974 km (0.11 R)
• M2: 781,050 km (0.063 R)
• M3: 1,600,847 km (0.085 R)
• M4: 2,023,910 km (0.103 R)
• M5: 2,974,604 km (0.092 R)
• M6: 5,356,202 km (0.104 R)
• M7: 6,350,430 km (0.081 R)
• M8: 6,820,915 km (0.086 R)
• M9: 7,284,968 km (0.071 R)
• M10: 8,180,012 km (0.091 R)
• M11: 9,216,575 km (0.084 R)
• M12: 9,930,606 km (0.108 R)
• M13: 12,551,710 km (0.113 R)
• M14: 14,068,333 km (0.085 R)
• M15: 15,259,132 km (0.054 R)
• M16: 18,725,465 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.9

Radius: 14.2

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.35 AU - 3.67 AU

Year: 3542 Days

Day: 14.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,522,666 km

• M1: 176,675 km (0.073 R)
• M2: 666,608 km (0.102 R)
• M3: 1,183,918 km (0.044 R)
• M4: 1,637,797 km (0.103 R)
• M5: 2,279,572 km (0.097 R)
• M6: 3,576,137 km (0.081 R)
• M7: 6,742,077 km (0.101 R)
• M8: 8,066,168 km (0.119 R)
• M9: 10,528,549 km (0.073 R)
• M10: 13,267,686 km (0.058 R)
• M11: 13,790,680 km (0.053 R)
• M12: 14,426,321 km (0.116 R)
• M13: 15,235,646 km (0.098 R)
• M14: 16,834,548 km (0.119 R)
• M15: 22,435,043 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.9

Radius: 12.9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.53 AU - 3.75 AU

Year: 4710 Days

Day: 6.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,522,666 km

• M1: 160,519 km (0.027 R)
• M2: 606,021 km (0.115 R)
• M3: 1,226,403 km (0.1 R)
• M4: 2,010,895 km (0.1 R)
• M5: 2,492,450 km (0.09 R)
• M6: 3,925,598 km (0.034 R)
• M7: 4,571,861 km (0.039 R)
• M8: 6,745,368 km (0.104 R)
• M9: 8,954,779 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.5

Radius: 11.7

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.2 AU - 5.68 AU

Year: 8606 Days

Day: 5.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,522,666 km

• M1: 146,606 km (0.047 R)
• M2: 718,818 km (0.104 R)
• M3: 1,118,992 km (0.086 R)
• M4: 1,899,893 km (0.106 R)
• M5: 2,800,023 km (0.107 R)
• M6: 3,678,761 km (0.114 R)
• M7: 4,762,747 km (0.069 R)
• M8: 5,767,596 km (0.117 R)
• M9: 6,715,000 km (0.084 R)
• M10: 7,805,568 km (0.096 R)
• M11: 9,830,674 km (0.092 R)
• M12: 10,387,328 km (0.109 R)
• M13: 12,946,499 km (0.033 R)
• M14: 13,864,880 km (0.103 R)
• M15: 15,694,911 km (0.072 R)
• M16: 17,606,921 km (0.039 R)
• M17: 19,669,726 km (0.034 R)
• M18: 20,636,428 km (0.053 R)
• M19: 21,719,068 km (0.059 R)
• M20: 23,636,912 km (0.096 R)
• M21: 24,361,415 km (0.107 R)
• M22: 27,014,832 km (0.108 R)
• M23: 36,721,490 km (0.036 R)
• M24: 37,571,056 km (0.075 R)
• M25: 38,062,485 km (0.104 R)
• M26: 40,455,154 km (0.097 R)
• M27: 42,149,050 km (0.083 R)
• M28: 44,846,450 km (0.084 R)
• M29: 48,522,668 km (0.095 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 12,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit