🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.9

Radius: 13.7

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.48 AU - 0.72 AU

Year: 315 Days

Day: 13 Hours

Environment

Temp: -142 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,427,971 km

• M1: 170,392 km (0.119 R)
• M2: 611,107 km (0.086 R)
• M3: 1,083,986 km (0.085 R)
• M4: 1,568,534 km (0.097 R)
• M5: 2,014,036 km (0.103 R)
• M6: 2,879,310 km (0.091 R)
• M7: 3,502,984 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.1

Radius: 8.9

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.75 AU - 1.21 AU

Year: 658 Days

Day: 11.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,427,971 km

• M1: 115,938 km (0.102 R)
• M2: 560,842 km (0.085 R)
• M3: 908,657 km (0.115 R)
• M4: 1,348,475 km (0.072 R)
• M5: 1,716,935 km (0.087 R)
• M6: 2,701,738 km (0.109 R)
• M7: 3,067,654 km (0.11 R)
• M8: 3,764,780 km (0.11 R)
• M9: 6,398,151 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.5

Radius: 12.2

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.27 AU - 2.43 AU

Year: 2443 Days

Day: 10.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,427,971 km

• M1: 151,692 km (0.083 R)
• M2: 731,085 km (0.095 R)
• M3: 2,808,251 km (0.085 R)
• M4: 4,025,380 km (0.096 R)
• M5: 4,522,942 km (0.089 R)
• M6: 5,154,993 km (0.085 R)
• M7: 5,567,135 km (0.115 R)
• M8: 6,027,298 km (0.105 R)
• M9: 8,790,670 km (0.115 R)
• M10: 10,072,125 km (0.114 R)
• M11: 12,393,136 km (0.049 R)
• M12: 13,002,897 km (0.12 R)
• M13: 14,471,948 km (0.07 R)
• M14: 15,644,497 km (0.093 R)
• M15: 17,901,928 km (0.093 R)
• M16: 19,367,838 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.4

Radius: 13.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.41 AU - 3.85 AU

Year: 3756 Days

Day: 6 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,427,971 km

• M1: 162,912 km (0.109 R)
• M2: 623,524 km (0.058 R)
• M3: 1,974,841 km (0.076 R)
• M4: 2,684,683 km (0.065 R)
• M5: 3,229,668 km (0.119 R)
• M6: 3,998,302 km (0.094 R)
• M7: 5,011,678 km (0.04 R)
• M8: 5,928,713 km (0.099 R)
• M9: 6,367,633 km (0.1 R)
• M10: 7,343,909 km (0.097 R)
• M11: 8,095,638 km (0.042 R)
• M12: 8,674,133 km (0.118 R)
• M13: 9,202,812 km (0.06 R)
• M14: 9,672,998 km (0.088 R)
• M15: 12,269,718 km (0.093 R)
• M16: 13,230,136 km (0.118 R)
• M17: 13,779,310 km (0.114 R)
• M18: 14,977,140 km (0.116 R)
• M19: 18,987,411 km (0.109 R)
• M20: 20,140,960 km (0.113 R)
• M21: 22,027,389 km (0.095 R)
• M22: 25,149,945 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.6

Radius: 8.6

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.56 AU - 4.18 AU

Year: 4196 Days

Day: 12.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,427,971 km

• M1: 106,962 km (0.042 R)
• M2: 469,139 km (0.058 R)
• M3: 1,211,743 km (0.105 R)
• M4: 1,497,325 km (0.114 R)
• M5: 1,767,948 km (0.069 R)
• M6: 3,254,053 km (0.115 R)
• M7: 4,001,743 km (0.074 R)
• M8: 4,416,428 km (0.093 R)
• M9: 5,331,967 km (0.058 R)
• M10: 6,843,355 km (0.062 R)
• M11: 7,930,333 km (0.095 R)
• M12: 8,479,955 km (0.117 R)
• M13: 8,836,148 km (0.093 R)
• M14: 9,887,073 km (0.074 R)
• M15: 11,358,069 km (0.107 R)
• M16: 12,507,280 km (0.093 R)
• M17: 13,016,212 km (0.052 R)
• M18: 14,424,227 km (0.072 R)
• M19: 19,315,628 km (0.09 R)
• M20: 20,819,835 km (0.093 R)
• M21: 21,798,803 km (0.103 R)
• M22: 22,198,828 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.4

Radius: 11.9

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.57 AU - 6.35 AU

Year: 8653 Days

Day: 8.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,427,971 km

• M1: 148,102 km (0.039 R)
• M2: 673,041 km (0.109 R)
• M3: 1,220,270 km (0.073 R)
• M4: 1,668,615 km (0.045 R)
• M5: 3,279,485 km (0.111 R)
• M6: 4,467,441 km (0.056 R)
• M7: 6,649,625 km (0.053 R)
• M8: 8,463,500 km (0.102 R)
• M9: 9,464,908 km (0.109 R)
• M10: 9,911,757 km (0.111 R)
• M11: 12,748,282 km (0.096 R)
• M12: 15,972,864 km (0.106 R)
• M13: 21,390,551 km (0.103 R)
• M14: 23,983,082 km (0.087 R)
• M15: 25,355,044 km (0.116 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 17,541 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit